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Journal articles on the topic 'BFCO'

Author: Grafiati

Published: 4 June 2021

Last updated: 21 December 2024

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1

Tuan, Nguyen Hoang. "FABRICATION AND PROPERTIES OF Co DOPED Bi0.5K0.5TiO3 – BiFeO3 SOLID SOLUTION." Vietnam Journal of Science and Technology 56, no. 1A (2018): 197. http://dx.doi.org/10.15625/2525-2518/56/1a/12523.

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In this study, we present some results on the structure and properties of the solid solution of Bi0.5K0.5TiO3– BiFeCoO3 (BKT – BFCO) by Sol-gel method. Crystal structures of BKT – BFCO solid solutions were studies by XRD and Raman spectroscopy. The results were in good agreement with the previous reports of Bi0.5K0.5TiO3– BiFeO3 (BKT – BFO) and Bi0.5K0.5TiO3 – BiCoO3 (BKT – BCO) solid solutions. The magnetic properties were investigated via unsaturated M-H loop, which showed the competition of paramagnetic and antiferromagnetic ordering in BKT – BFCO. However, differing from the BKT – BFO and

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2

Tiron, Vasile, Roxana Jijie, Teodora Matei, Ioana-Laura Velicu, Silviu Gurlui, and Georgiana Bulai. "Piezo-Enhanced Photocatalytic Performance of Bismuth Ferrite-Based Thin Film for Organic Pollutants Degradation." Coatings 13, no. 8 (2023): 1416. http://dx.doi.org/10.3390/coatings13081416.

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This work addresses the global sustainable development concerns by investigating the enhancement of piezo-photocatalytic efficiency in bismuth ferrite-based thin films synthesized using reactive high-power impulse magnetron sputtering. The influence of substrate type and Cr addition on structural, optical and ferroelectric properties of bismuth ferrite (BFO) based thin films was investigated. X-ray diffraction measurements showed the formation of different phases depending on the substrate used for sample growth. Compared to the BFO film deposited on FTO (F-SnO2), the Cr-doped BFO (BFCO) sampl

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3

Meng, De Huan, and Fei Ming Bai. "Double Perovskite Bi₂FeCrO₆ Thin Films for Photovoltaics." Solid State Phenomena 305 (June 2020): 77–82. http://dx.doi.org/10.4028/www.scientific.net/ssp.305.77.

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High-quality BFCO films with smooth morphology were deposited on (001)-oriented single crystal substrates by pulsed-laser deposition. The perfect ferroelectric nature of the BFCO films were probed by PFM and electrical P-E hysteresis measurements and the obtained saturated remeanent polarization value reaches up to 60 μC/cm2. Besides, BFCO films show relatively low bandgap of 2.5 eV, can absorb the sunlight and convert the solar energy to electrically energy effectively. A photocurrent of 1.2 mA/cm2 and an open-circuit voltage of about 0.53 V were obtained under AM1.5G illumination. The result

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4

SUI, HUITING, HUAJUN SUN, XIAOFANG LIU, SHANSHAN GUO, HUAN YANG, and RENXIN XU. "SYSTEMATIC EXPLORATION OF THE EFFECTS OF CR-DOPING ON MICROSTRUCTURE, INSULATING, AND FERROELECTRIC PROPERTIES OF BiFeO3 THIN FILM." Surface Review and Letters 26, no. 03 (2019): 1850166. http://dx.doi.org/10.1142/s0218625x18501664.

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BiFe[Formula: see text]CrxO3 ([Formula: see text]BFCO, [Formula: see text], 0.02, 0.03, 0.04, 0.05) thin films were successfully fabricated onto Pt(111)/TiO2/SiO2/Si substrate via a solgel process. The correlation between microstructure and insulating, ferroelectric properties of [Formula: see text]BFCO thin films are investigated. The leakage behavior for all the thin films is in accordance with the Ohmic conduction and FN Tunneling emission during low and high electric field region, respectively. Compared with the pure BFO, all the thin films with Cr[Formula: see text] doping possess reduced

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5

Nechache, Riad, Louis-Philippe Carignan, Lina Gunawan, et al. "Epitaxial thin films of multiferroic Bi2FeCrO6 with B-site cationic order." Journal of Materials Research 22, no. 8 (2007): 2102–10. http://dx.doi.org/10.1557/jmr.2007.0273.

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Epitaxial thin films of Bi2FeCrO6 (BFCO) have been synthesized by pulsed laser deposition on SrRuO3 on (100)- and (111)-oriented SrTiO3 substrates. Detailed x-ray diffraction and cross-section transmission electron microscopy analysis revealed a double perovskite crystal structure of the BFCO epitaxial films very similar to that of BiFeO3 along with a particularly noteworthy Fe3+/Cr3+ cation ordering along the [111] direction. The films contain no detectable magnetic iron oxide impurities and have the correct cationic average stoichiometry throughout their thickness. They however exhibit a sli

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6

NECHACHE, R., C. HARNAGEA, A. RUEDIGER, F. ROSEI, and A. PIGNOLET. "EFFECT OF EPITAXIAL STRAIN ON THE STRUCTURAL AND FERROELECTRIC PROPERTIES OF Bi2FeCrO6 THIN FILMS." Functional Materials Letters 03, no. 01 (2010): 83–88. http://dx.doi.org/10.1142/s1793604710000981.

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Bi 2 FeCrO 6 thin films were epitaxially grown by pulsed laser deposition on (100)-oriented LaAlO 3, ( LaAlO 3)0.3( Sr 2 LaTaO 6)0.7 and SrTiO 3 single crystalline substrates with and without epitaxial CaRuO 3 buffered layer. The in-plane compressive strain induces monoclinic distortion of the Bi 2 FeCrO 6 lattice cell. The strain originates from lattice mismatch between CaRuO 3 and single crystal substrates. The similar crystal structure of the substrate and the layer lead to coherent epitaxial growth of the heterostructures and avoid strain relaxation in particular for BFCO films deposited o

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7

Joshi, Chhatra R., Mahendra Acharya, Md Sariful Sheikh, John Plombon, and Arunava Gupta. "Effect of cobalt substitution on the structural, ferroelectric, and magnetic properties of bismuth ferrite thin films." Journal of Applied Physics 132, no. 19 (2022): 194102. http://dx.doi.org/10.1063/5.0116794.

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Epitaxial films of multiferroic BiFe[Formula: see text]Co[Formula: see text]O[Formula: see text] (BFCO) with [Formula: see text] are grown on (001)-oriented SrTiO[Formula: see text] and SrRuO[Formula: see text] buffered SrTiO[Formula: see text] substrates using the pulsed laser deposition technique. The effect of structural transformation from rhombohedral to tetragonal phase with increasing cobalt substitution on the magnetic, electrical, and piezo-/ferroelectric properties is investigated. Piezoresponse force microscopy is used to quantify the coercive voltage from the phase hysteresis loops

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8

Kim, Donghoon, Hyeon Han, June Ho Lee, et al. "Electron−hole separation in ferroelectric oxides for efficient photovoltaic responses." Proceedings of the National Academy of Sciences 115, no. 26 (2018): 6566–71. http://dx.doi.org/10.1073/pnas.1721503115.

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Despite their potential to exceed the theoretical Shockley−Queisser limit, ferroelectric photovoltaics (FPVs) have performed inefficiently due to their extremely low photocurrents. Incorporating Bi2FeCrO6(BFCO) as the light absorber in FPVs has recently led to impressively high and record photocurrents [Nechache R, et al. (2015)Nat Photonics9:61–67], which has revived the FPV field. However, our understanding of this remarkable phenomenon is far from satisfactory. Here, we use first-principles calculations to determine that such excellent performance mainly lies in the efficient separation of

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9

Torregrosa-Rivero, Moreno-Marcos, Albaladejo-Fuentes, Sánchez-Adsuar, and Illán-Gómez. "BaFe1-xCuxO3 Perovskites as Active Phase for Diesel (DPF) and Gasoline Particle Filters (GPF)." Nanomaterials 9, no. 11 (2019): 1551. http://dx.doi.org/10.3390/nano9111551.

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BaFe1-xCuxO3 perovskites (x = 0, 0.1, 0.3 and 0.4) have been synthetized, characterized and tested for soot oxidation in both Diesel and Gasoline Direct Injection (GDI) exhaust conditions. The catalysts have been characterized by BET, ICP-OES, SEM-EDX, XRD, XPS, H2-TPR and O2-TPD and the results indicate the incorporation of copper in the perovskite lattice which leads to: i) the deformation of the initial hexagonal perovskite structure for the catalyst with the lowest copper content (BFC1), ii) the modification to cubic from hexagonal structure for the high copper content catalysts (BFC3 and

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10

Shrimali, V. G., K. N. Rathod, Davit Dhruv, et al. "Magnetoelectric properties of Co-doped BiFeO3 nanoparticles." International Journal of Modern Physics B 32, no. 12 (2018): 1850143. http://dx.doi.org/10.1142/s0217979218501436.

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The magnetoelectric (ME) properties of sol–gel grown BiFe[Formula: see text]Co[Formula: see text]O3 (BFCO) nanoceramics, with different sizes, were investigated at room-temperature. X-ray diffraction (XRD) measurement was performed to investigate structural properties of the samples understudy. Magnetic field-dependent dielectric permittivity has been systematically investigated in the frequency range of 20 Hz to 1 MHz. To ensure the origin of magnetodielectric response, the magnetoimpedance (MI) spectroscopy was adopted using equivalent circuit model. The a.c. conductivity was found to obey t

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11

Fan, Zhao-Yuan, Zhenhua Tang, Jun-Lin Fang, et al. "Neuromorphic Computing of Optoelectronic Artificial BFCO/AZO Heterostructure Memristors Synapses." Nanomaterials 14, no. 7 (2024): 583. http://dx.doi.org/10.3390/nano14070583.

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Compared with purely electrical neuromorphic devices, those stimulated by optical signals have gained increasing attention due to their realistic sensory simulation. In this work, an optoelectronic neuromorphic device based on a photoelectric memristor with a Bi2FeCrO6/Al-doped ZnO (BFCO/AZO) heterostructure is fabricated that can respond to both electrical and optical signals and successfully simulate a variety of synaptic behaviors, such as STP, LTP, and PPF. In addition, the photomemory mechanism was identified by analyzing the energy band structures of AZO and BFCO. A convolutional neural

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12

Zhang, Xiaomeng, Kai Huang, Min Yu, Xiaowen Jiang, and Xiaolang Yan. "BFCO: A BPSO-Based Fine-Grained Communication Optimization Method for MPSoC." IEEE Access 6 (2018): 18771–85. http://dx.doi.org/10.1109/access.2018.2813002.

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13

Guo, Kaixin, Rongfen Zhang, Zhao Fu, Liangyu Zhang, Xu Wang, and Chaoyong Deng. "Mutual regulation of polarization and magnetization in BFCNT/BFCO heterostructure via stress analysis of dipoles." Ceramics International 47, no. 14 (2021): 20422–27. http://dx.doi.org/10.1016/j.ceramint.2021.04.051.

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14

Guo, Kaixin, Rongfen Zhang, Zhao Fu, Liangyu Zhang, Xu Wang, and Chaoyong Deng. "Regulation of Photovoltaic Response in ZSO-Based Multiferroic BFCO/BFCNT Heterojunction Photoelectrodes via Magnetization and Polarization." ACS Applied Materials & Interfaces 13, no. 30 (2021): 35657–63. http://dx.doi.org/10.1021/acsami.1c07534.

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15

Handoko, Erfan, Iwan Sugihartono, Mangasi Alion Marpaung, et al. "Complex Permittivity, Permeability and Microwave Absorption Studies of Double Layer Magnetic Absorbers Based on BaFe₁₂O₁₉ and BaFe₁₀CoZnO₁₉." Materials Science Forum 966 (August 2019): 302–7. http://dx.doi.org/10.4028/www.scientific.net/msf.966.302.

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Microwave absorption properties of double layer magnetic absorbers based on BaFe12O19 (BFO) and BaFe10CoZnO19 (BFCZO) have been investigated in X-band (8.2–12.4 GHz) frequencies. The BFO and BFCZO were prepared by using a solid state reaction process. The crystalline structures were investigated by X-ray diffraction (XRD), The complex permittivity and permeability are determined using Vector Network Analyzer (VNA) in a range from 8.2 GHz to 12.4 GHz. The double layer magnetic absorbers, composed of the BFO as matching layer and the BFCZO as absorption layer, with a total thickness of 5 mm, sho

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Thawong, Pichittra, Theerachai Bongkarn, Jirawat Jantasurin, et al. "Effect of BFCO Doping on Phase Structure, Microstructure, Electric and Magnetic Properties of BNKLT Ceramics Prepared by the Combustion Method." Integrated Ferroelectrics 214, no. 1 (2021): 69–78. http://dx.doi.org/10.1080/10584587.2020.1857179.

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17

Thawong, Pichittra, Chittakorn Kornphom, Sasiporn Prasertpalichat, Supree Pinitsoontorn, Suphornpun Chootin, and Theerachai Bongkarn. "Effect of firing temperatures on properties of BNT-BCTZ-0.007mol%BFCO lead free piezoelectric ceramics synthesized by the solid state combustion method." Ceramics International 43 (August 2017): S172—S181. http://dx.doi.org/10.1016/j.ceramint.2017.05.292.

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18

Zhdanova, G. O. "New and Modified Biofuel Cell Designs." Bulletin of Irkutsk State University. Series Biology. Ecology 37 (2021): 70–88. http://dx.doi.org/10.26516/2073-3372.2021.37.70.

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A description of new and modified layouts of biofuel cells (BFC) is given: two-chamber cells with a proton-exchange membrane and single-chamber membraneless structures. BFCs have been proposed that allow repeatedly, without violating sterility and anaerobic conditions in the anode chamber, to take samples for chemical and biological analysis. They are also suitable for adding the necessary components without interrupting the BFC operation. For continuous monitoring of chemical and microbiological processes occurring in the anode space, a modification of the BFC has been proposed, which has an

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19

Islam, Md Rashidul, Md Najmul Huda, Jakir Hasan, et al. "Fault Ride Through Capability Improvement of DFIG Based Wind Farm Using Nonlinear Controller Based Bridge-Type Flux Coupling Non-Superconducting Fault Current Limiter." Energies 13, no. 7 (2020): 1696. http://dx.doi.org/10.3390/en13071696.

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High penetration of Doubly Fed Induction Generator (DFIG) into existing power grid can attribute complex issues as they are very sensitive to the grid faults. In addition, Fault Ride Through (FRT) is one of the main requirements of the grid code for integrating Wind Farms (WFs) into the power grid. In this work, to enhance the FRT capability of the DFIG based WFs, a Bridge-Type Flux Coupling Non-Superconducting Fault Current Limiter (BFC-NSFCL) is proposed. The effectiveness of the proposed BFC-NSFCL is evaluated through performance comparison with that of the Bridge-Type Fault Current Limiter

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20

Owen, Medge D., Özer Özsaraç, Şükran Şahin, Nesimi Uçkunkaya, Nuray Kaplan, and Ihsan Maǧunaci. "Low-dose Clonidine and Neostigmine Prolong the Duration of Intrathecal Bupivacaine–Fentanyl for Labor Analgesia." Anesthesiology 92, no. 2 (2000): 361. http://dx.doi.org/10.1097/00000542-200002000-00016.

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Background Intrathecal (IT) opioid and local anesthetic combinations are popular for labor analgesia because of rapid, effective pain relief, but the duration of analgesia is limited. This study was undertaken to determine whether the addition of clonidine and neostigmine to IT bupivacaine-fentanyl would increase the duration of analgesia without increasing side effects for patients in labor. Methods Forty-five healthy parturients in active labor were randomized to receive a 2-ml IT dose of one of the following dextrose-containing solutions using the combined spinal-epidural technique: (1) bup

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21

Chen, Jingyi, Yao Wang, and Yuan Deng. "Competition between compressive strain and Mn doping on tuning the structure and magnetic behavior of BiFeO3 thin films." Functional Materials Letters 08, no. 06 (2015): 1550066. http://dx.doi.org/10.1142/s1793604715500666.

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BiFe 1-x Mn x O 3 (BFMO) films (x = 0, 0.05, 0.1) were grown on (001) LaAlO 3 (LAO) substrates to demonstrate the role of chemical pressure on the lattice structure and magnetic behaviors of compressively-strained BiFeO 3 (BFO) films. The structural analyses indicated that the substitution of Jahn–Teller active ion Mn at Fe site tuned the ferroelectric distortion and antiferrodistortive (AFD) rotation in BFO lattice, thus weakened the tetragonal-like (T-like) phase originated from the large substrate clamping. The phase transition mechanism was discussed to reveal the competition between inner

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Zhang, Yilin, Yuhan Wang, Ji Qi, et al. "Enhanced Magnetic Properties of BiFeO3 Thin Films by Doping: Analysis of Structure and Morphology." Nanomaterials 8, no. 9 (2018): 711. http://dx.doi.org/10.3390/nano8090711.

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The improvement of ferromagnetic properties is critical for the practical application of multiferroic materials, to be exact, BiFeO3 (BFO). Herein, we have investigated the evolution in the structure and morphology of Ho or/and Mn-doped thin films and the related diversification in ferromagnetic behavior. BFO, Bi0.95Ho0.05FeO3 (BHFO), BiFe0.95Mn0.05O3 (BFMO) and Bi0.95Ho0.05Fe0.95Mn0.05O3 (BHFMO) thin films are synthesized via the conventional sol-gel method. Density, size and phase structure are crucial to optimize the ferromagnetic properties. Specifically, under the applied magnetic field o

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Bai, Liang, Mingjie Sun, Wenjing Ma, Jinghai Yang, Junkai Zhang, and Yanqing Liu. "Enhanced Magnetic Properties of Co-Doped BiFeO3 Thin Films via Structural Progression." Nanomaterials 10, no. 9 (2020): 1798. http://dx.doi.org/10.3390/nano10091798.

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Co3+ doping in BiFeO3 is expected to be an effective method for improving its magnetic properties. In this work, pristine BiFeO3 (BFO) and doped BiFe1-xCoxO3 (BFCxO, x = 0.01, 0.03, 0.05, 0.07 and 0.10) composite thin films were successfully synthesized by a sol–gel technique. XRD and Raman spectra indicate that the Co3+ ions are substituted for the Fe3+ ion sites in the BFO rhombohedral lattice. Raman vibration of oxygen octahedron is obviously weakened due to the lattice distortion induced by the size mismatch between two B-site cations (Fe3+ and Co3+ ions), which has an impact on the magnet

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24

Nuzhat, Sharika, Rafiqul Islam, Tahmeed Ahmed, et al. "Impact of Routine Counseling on Breastfeeding Status in Hospitalized Infants Below 6 Months: Observation From a Large Diarrheal Disease Hospital in Bangladesh." Global Pediatric Health 6 (January 2019): 2333794X1985494. http://dx.doi.org/10.1177/2333794x19854942.

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Background. Breastfeeding counseling (BFC) plays a crucial role in improving infant and young child feeding practices. To evaluate the impact of activities of BFC unit (BFCU) on breastfeeding practices of infants who were hospitalized for diarrheal illness through their regular counseling, assistance and support, and motivation. Methods. In this retrospective chart analysis conducted at Dhaka Hospital of icddr,b using an electronic database, data were collected from mothers of infants younger than 6 months of age who visited the BFCU from 2011 to 2015. Results. Among a total of 3420 infants en

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Nasruddin, Nur Iman Syafiqah Muhammad, and Mimi Hani Abu Bakar. "Mitigating membrane biofouling in biofuel cell system – A review." Open Chemistry 19, no. 1 (2021): 1193–206. http://dx.doi.org/10.1515/chem-2021-0111.

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Abstract A biofuel cell (BFC) system can transform chemical energy to electrical energy through electrochemical reactions and biochemical pathways. However, BFC faced several obstacles delaying it from commercialization, such as biofouling. Theoretically, the biofouling phenomenon occurs when microorganisms, algae, fungi, plants, or small animals accumulate on wet surfaces. In most BFC, biofouling occurs by the accumulation of microorganisms forming a biofilm. Amassed biofilm on the anode is desired for power production, however, not on the membrane separator. This phenomenon causes severities

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26

Vorontsov, A. G., M. V. Pronin, Yu A. Sychev, and A. P. Soloviev. "A Set of Models for Systems with Cascade Frequency Converters." LETI Transactions on Electrical Engineering & Computer Science 16, no. 10 (2023): 84–96. http://dx.doi.org/10.32603/2071-8985-2023-16-10-84-96.

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New sets of computer models for electromechanotronic systems containing cascade frequency converters (CFC) were developed. Models are implemented in C ++ in the ComSim proprietary development environment, as well as in MatLab. Installations in which CFCs are fed from a three-phase voltage source of limited power and feed a three-phase passive load or motors (asynchronous, synchronous, double fed machine) are considered. The CFC includes a multi-winding transformer and frequency conversion units (BFC). In each load phase of the CFC, several BFCs are connected in series, forming a high-voltage p

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Fu, Jiawei, and Liang Ma. "Long-Haul Vehicle Routing and Scheduling with Biomathematical Fatigue Constraints." Transportation Science 56, no. 2 (2022): 404–35. http://dx.doi.org/10.1287/trsc.2021.1089.

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Hours of service (HOS) regulations are among the conventional safety constraints that are compiled by long-haul truck drivers. These regulations have been considered in models and algorithms of vehicle routing problems to assign safe schedules to drivers. However, the HOS regulations neglect a few crucial fatigue risk factors and, at times, fail to generate fatigue-reducing schedules. In this study, a set of biomathematical fatigue constraints (BFCs) derived from biomathematical models are considered for a long-haul vehicle routing and scheduling problem. A BFC scheduling algorithm and a BFC-H

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Chiodera, Giuseppe, Riccardo Monterubbianesi, Vincenzo Tosco, Ombretta Papini, Giovanna Orsini, and Angelo Putignano. "Application of Bulk-Fill Composite to Simplify the Cementation of Indirect Restorations: The COMBO Technique." Dentistry Journal 12, no. 8 (2024): 239. http://dx.doi.org/10.3390/dj12080239.

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This article proposes a technique to simplify the cementation of indirect restorations by exploiting the advantageous properties of bulk-fill composites (BFCs). The proposed technique consists of using a thin layer of a high-viscosity (HV) BFC in the interproximal margins of the preparation and applying low-viscosity (LV) resin luting agents (RLAs) to the rest of the prepared surface. The application of the HV BFC limits the extrusion of the LV RLAs in the interproximal area, deviating the excesses of LV RLAs only on the vestibular and lingual side. This deviation allows the management and con

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Patil, Amol Suresh, Mukul Jain, Shikha Choubey, Madhuri Patil, and Yusuf Chunawala. "Comparative evaluation of clinical success of Stainless Steel and Bioflx crowns in primary molar – A 12 month split mouth prospective randomized clinical trial." Journal of Indian Society of Pedodontics and Preventive Dentistry 42, no. 1 (2024): 37–45. http://dx.doi.org/10.4103/jisppd.jisppd_484_23.

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Purpose: The purpose of this clinical trial was to assess and compare the clinical outcomes of Bioflx crowns (BFCs) with stainless steel crowns (SSCs) in primary molars (PMs). Materials and Methods: This prospective split-mouth randomized controlled clinical trial was conducted between March 2022 and June 2023. Thirty-eight patients (17 females and 21 males) with a mean age of 5.21 years participated in this study. Each child (n = 38) received both SSC and BFC. Clinical and radiographic follow-up was performed at baseline, 3, 6, and 12 months using the modified United States Public Health Syst

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Wang, Sihui, Yuqing Li, Juncheng Lv, et al. "Enhanced multiferroic properties of Co-doped BiFeO₃ nanoparticles via structural changes." Physica Scripta 99, no. 9 (2024): 095411. http://dx.doi.org/10.1088/1402-4896/ad706a.

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Abstract The present study demonstrates a rhombohedral-to-orthorhombic phase transition of BiFe1-XCoXO3 (BFCXO, x = 0, 0.01, 0.03, and 0.05) nanoparticles induced by Co ion doping. With increasing concentration of Co dopant, XRD, Raman and IR patterns exhibit lattice shrinkage and increased lattice strain; SEM and TEM images reveal a corresponding reduction in grain size; XPS spectra indicate that the Fe2+ ions are readily oxidized by Co3+ to Fe3+ ions because to the greater oxidation–reduction potential of Fe3+/Fe2+ (1.3 eV) than that of Co3+/Co2+ (0.55 eV). Effective regulation of crystal st

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García-Carmona, Laura, Mireia Buaki-Sogó, Marta Vegas-García, Mayte Gil-Agustí, Pedro Llovera-Segovia, and Alfredo Quijano-López. "Development of Flexible, Conductive and Biocompatible Chitosan-Based Miniaturized Bioelectrodes for Enzymatic Glucose Biofuel Cells." E3S Web of Conferences 334 (2022): 08002. http://dx.doi.org/10.1051/e3sconf/202233408002.

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The need for new clean energy sources for portable devices in biomedical, agro-food industry and environmental related sectors boosts scientists towards the development of new strategies for energy harvesting for their application in biodevices development. In this sense, enzymatic biofuel cells (BFCs) have gained much attention in the last years. This work faces the challenge of develop new generation of BFCs able to be adapted to remote and personal monitoring devices within the framework of wearable technologies. To this aim, one of the main challenges consists of the development of conduct

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Kwok, Alvin Chun Man, Kosmo Ting Hin Yan, Shaoping Wen, Shiyong Sun, Chongping Li, and Joseph Tin Yum Wong. "Dinochromosome Heterotermini with Telosomal Anchorages." International Journal of Molecular Sciences 25, no. 20 (2024): 11312. http://dx.doi.org/10.3390/ijms252011312.

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Dinoflagellate birefringent chromosomes (BfCs) contain some of the largest known genomes, yet they lack typical nucleosomal micrococcal-nuclease protection patterns despite containing variant core histones. One BfC end interacts with extranuclear mitotic microtubules at the nuclear envelope (NE), which remains intact throughout the cell cycle. Ultrastructural studies, polarized light and fluorescence microscopy, and micrococcal nuclease-resistant profiles (MNRPs) revealed that NE-associated chromosome ends persisted post-mitosis. Histone H3K9me3 inhibition caused S-G2 delay in synchronous cell

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Lin, Der-Yuh, Hone-Zern Chen, Ming-Cheng Kao, and Pei-Li Zhang. "Ferroelectric and Electrical Properties Optimization of Mg-doped BiFeO3 Flexible Multiferroic Films." Symmetry 12, no. 7 (2020): 1173. http://dx.doi.org/10.3390/sym12071173.

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Bi1-xMgxFeO3 (BMFO, x = 0, 0.02, 0.04, 0.06 and 0.08) multiferroic films were directly synthesized on flexible stainless steel (FSS), save the bottom electrode process, by means of sol–gel spin-coating technology. The effects of different bending conditions on ferroelectric, dielectric and leakage-current properties of BMFO films were investigated. The leakage-current densities of BiFeO3 (BFO, x = 0) and BMFO (x = 0.06) films were 5.86 × 10−4 and 3.73 × 10−7 A/cm2, which shows that the BMFO (x = 0.06) has more than three orders of magnitude lower than that of BFO film. The residual polarizatio

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Sukri, Asiah, Raihan Othman, and Norshahida Sarifuddin. "An Easy-to-Fabricate, Submerged Carbon-Based Air Cathode for Biofuel Cells." IIUM Engineering Journal 25, no. 2 (2024): 46–56. http://dx.doi.org/10.31436/iiumej.v25i2.2974.

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An air cathode (AC) is one of the main components in an AC-based biofuel cell (BFC). Its cost accounts for nearly half of the total cost of the cell as specific requirements must be met for it to perform as an effective site for the oxygen (O2) reduction reaction (ORR) to occur. In most applications where the AC is totally submerged in the electrolyte, air or O2 is bubbled throughout the electrolyte during the entire discharge operation to enhance the cell performance. This is because the dissolved O2 (DO) concentration is merely one-third of the O2 concentration in ambient air. Unfortunately,

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Şenol, Aslı A., Büşra Karabulut Gençer, Bilge Tarçın, Erkut Kahramanoğlu, and Pınar Yılmaz Atalı. "Microleakage and Marginal Integrity of Ormocer/Methacrylate-Based Bulk-Fill Resin Restorations in MOD Cavities: SEM and Stereomicroscopic Evaluation." Polymers 15, no. 7 (2023): 1716. http://dx.doi.org/10.3390/polym15071716.

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This in vitro study aimed to compare the microleakage and marginal integrity of methacrylate/ormocer-based bulk-fill composite (BFC) restorations used in cervical marginal relocation with two different layering thicknesses in mesio-occlusal-distal (MOD) cavities exposed to thermo-mechanical loading. Standard MOD cavities were prepared in 60 mandibular molars and assigned into three groups: x-tra fil/AF + x-tra base/XB, Tetric N-Ceram Bulk Fill/TNB + Tetric N-Flow Bulk Fill/TFB, and Admira Fusion x-tra/AFX + Admira Fusion x-base/AFB. Each group was further divided into two subgroups (2 mm and 4

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Murce, Erika, Stephen Ahenkorah, Savanne Beekman, et al. "Radiochemical and Biological Evaluation of 3p-C-NETA-ePSMA-16, a Promising PSMA-Targeting Agent for Radiotheranostics." Pharmaceuticals 16, no. 6 (2023): 882. http://dx.doi.org/10.3390/ph16060882.

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Bifunctional chelators (BFCs) are a key element in the design of radiopharmaceuticals. By selecting a BFC that efficiently complexes diagnostic and therapeutic radionuclides, a theranostic pair possessing almost similar biodistribution and pharmacokinetic properties can be developed. We have previously reported 3p-C-NETA as a promising theranostic BFC, and the encouraging preclinical outcomes obtained with [18F]AlF-3p-C-NETA-TATE led us to conjugate this chelator to a PSMA-targeting vector for imaging and treatment of prostate cancer. In this study, we synthesized 3p-C-NETA-ePSMA-16 and radiol

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Umar, Ahmad, S. Ruby, S. S. R. Inbanathan, et al. "Photocatalytic degradation of methyl orange based on manganese substituted bismuth ferrite nanoparticles." Emerging Materials Research 11, no. 4 (2022): 1–7. http://dx.doi.org/10.1680/jemmr.22.00037.

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Herein, a microwave-assisted approach for the synthesis of Mn2+ doped bismuth ferrite (BMFO) nanoparticles is presented. Various techniques were used to examine the structure, morphology, and electrical characteristics of the as-synthesized BMFO nanoparticles. XRD and Raman analysis revealed a rhombohedral distorted perovskite structure having space group R3c. The crystallite size of BMFO was found to be 18.77 nm. SEM studies of the BFMO nanoparticles showed the highly agglomerated nature of the particles. The ultraviolet-diffuse reflectance spectrum of the BMFO revealed a bang gap of 1.56 eV

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Firouzi, Mehdi, Mohammadreza Shafiee, and Mojtaba Nasiri. "Nonlinear Variable Resistor-Based FCL for Fault Ride-Through Performance Enhancement of DFIG-Based Wind Turbines." Mathematical Problems in Engineering 2021 (June 18, 2021): 1–10. http://dx.doi.org/10.1155/2021/9934887.

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Fault ride-through (FRT) requirement is a matter of great concern for doubly fed induction generator (DFIG-) based wind turbines (WTs). This study presents a nonlinear variable resistor- (NVR-) based bridge-type fault current limiter (BFCL) to augment the FRT performance of DFIG-based WTs. First, the BFCL operation and nonlinear control design consideration of the proposed NVR-based BFCL are presented. Then, the NVR-BFCL performance is validated through simulation in PSCAD/EMTDC software. In addition, the NVR-based BFCL performance is compared with the fixed resistor- (FR-) based BFCL for a th

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Ge, Wen, Zhiang Li, Tong Chen, Min Liu, and Yalin Lu. "Extended Near-Infrared Photoactivity of Bi6Fe1.9Co0.1Ti3O18 by Upconversion Nanoparticles." Nanomaterials 8, no. 7 (2018): 534. http://dx.doi.org/10.3390/nano8070534.

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Bi6Fe1.9Co0.1Ti3O18 (BFCTO)/NaGdF4:Yb3+, Er3+ (NGF) nanohybrids were successively synthesized by the hydrothermal process followed by anassembly method, and BFCTO-1.0/NGF nanosheets, BFCTO-1.5/NGF nanoplates and BFCTO-2.0/NGF truncated tetragonal bipyramids were obtained when 1.0, 1.5 and 2.0 M NaOH were adopted, respectively. Under the irradiation of 980 nm light, all the BFCTO samples exhibited no activity in degrading Rhodamine B (RhB). In contrast, with the loading of NGF upconversion nanoparticles, all the BFCTO/NGF samples exhibited extended near-infrared photoactivity, with BFCTO-1.5/NG

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Chen, Chun Yan, Song Hou, Xiang Yu Mao, and Xiao Bing Chen. "Ferroelectric and Magnetic Properties of Co Doping Bi₆Fe₂Ti₃O₁₈ Ceramics." Materials Science Forum 745-746 (February 2013): 142–45. http://dx.doi.org/10.4028/www.scientific.net/msf.745-746.142.

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In this paper, for the purpose of enhancement in the magnetic behavior, the five-layer Aurivillius phase structure Bi6Fe2-xCoxTi3O18 (BFCT-x, x = 0.0 ~ 2.0) ceramics were synthesized using the solid-state reaction method from a mixture of Bi2O3, Co2O3, Fe2O3, and TiO2 powders with different stoichiometric ratio. The microstructure, ferromagnetic and ferroelectric properties are investigated. The crystallographic structures of BFCT-x are determined to be the typical five-layer Aurivillius phase with a suggested structural transformation at heavy doping of Co ions. At room temperature, the remna

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Luo, Yiming, Ronghui Ju, Bingbo Li, Junjiong Meng, and Xuanjun Wang. "Thermal Decomposition and Solidification Characteristics of BFFO." Crystals 13, no. 5 (2023): 802. http://dx.doi.org/10.3390/cryst13050802.

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A novel energetic material, Bifurazano [3,4-b: 3′,4′-f] furoxano [3″,4″-d] oxacyclo-heptatriene (BFFO), has been investigated regarding two aspects, namely its thermal decomposition and solidification characteristics. The DSC curves indicate that the peak temperature of BFFO decomposition process is 271.1 °C under the static pressure of 2 MPa and the volatility of BFFO at 120 °C is significantly lower than that of TNT, DNAN and DNTF. The solidification curve indicates that the solidification of BFFO is a basic linear uniform solidification process, which is obviously different from that of TNT

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Guleria, Mohini, Tapas Das, Chandan Kumar, et al. "Effect of Number of Bifunctional Chelating Agents on the Pharmacokinetics and Immunoreactivity of 177Lu-labeled Rituximab: A Systemic Study." Anti-Cancer Agents in Medicinal Chemistry 18, no. 1 (2018): 146–53. http://dx.doi.org/10.2174/1871520617666170725164530.

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Objective: Monoclonal antibodies (mAbs) have been radiolabeled with a variety of radioisotopes utilizing various kinds of bi-functional chelating agents (BFCAs) with an aim to develop suitable agents for radioimmunotherapy. The number of BFCA moieties present per antibody molecule plays a significant role in determining the pharmacokinetics and immunoreactivity exhibited by the radiolabeled antibodies. The objective of the present study is to evaluate the effect of the number of BFCA moieties present per antibody molecule on the pharmacokinetics and immunoreactivity of the 177Lu-labeled Rituxi

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Albutt, Naphat, Vanussanun Aitviriyaphan, Thanapong Sareein, et al. "Characterization of Antiferromagnetism in Double Perovskites Ba₂FeMoO₆ Prepared by Solid State Method." Applied Mechanics and Materials 891 (May 2019): 224–29. http://dx.doi.org/10.4028/www.scientific.net/amm.891.224.

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The magnetic properties of Ba2FeMoO6 (BFMO) double perovskite are investigated. BFMO samples were prepared by solid state reaction method through compression. Magnetic properties are influenced by electron environments of the Fe3+ and Mo5+ ions within the perovskite structure. BFMO sintered at 800 oC exhibited the largest hysteresis loop at 50 K. In addition, the values of Ms and Mr indicate ferromagnetic behaviour in BFMO ceramics sintered at 800 oC for different times up to 10 hours. Using the Curie-Weiss law fitting to investigate μeff~30μB high spin of Fe and Mo, and negative θ present the

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Donkoh, Samuel A., Abdulai Eliasu, Edinam Dope Setsoafia, and Isaac Gershon Kodwo Ansah. "Participation and output effect of a Block Farm Credit Programme in selected districts of Northern Ghana." Agricultural Finance Review 76, no. 3 (2016): 348–61. http://dx.doi.org/10.1108/afr-01-2016-0005.

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Purpose The purpose of this paper is to examine the effect of the Ministry of Food and Agriculture (MoFA) Block Farm Credit Programme (BFCP) participation on crop output in four districts in the Northern region of Ghana. Design/methodology/approach Structured questionnaires were used to collect data from 240 beneficiary and non-beneficiary farmers of BFCP. The treatment effect model that accounts for selectivity bias was employed to examine the socioeconomic determinants of farmers’ decision to participate in the BFCP and the effect of BFCP participation on crop output. Findings Even though th

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Peng, Zeng-Wei, and Bao-Ting Liu. "Abnormal capacitance–voltage and switchable photovoltaic effect of epitaxial Mn-doped BiFeO3 thin film capacitor." Functional Materials Letters 08, no. 05 (2015): 1550057. http://dx.doi.org/10.1142/s1793604715500575.

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Epitaxial BiFe 0.95 Mn 0.05 O 3 (BFMO) film was deposited on (001)-oriented SrRuO 3 (SRO) coated SrTiO 3 (STO) substrate by radio-frequency (rf) magnetron sputtering. Indium tin oxide (ITO) was grown on BFMO/STO heterojunction to fabricate ITO/BFMO/SRO capacitor for investigating the ferroelectric and photovoltaic properties. The ITO/BFMO/SRO capacitor exhibits large remanent polarizations of 92.2 μC/cm2, 101 μC/cm2 and 109 μC/cm2 measured at 20 V, 25 V and 30 V, respectively. An observed abnormal capacitance–voltage (C–V) curve can be explained based on the ITO/BFMO interface. The calculated

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Firouzi, Mehdi, Mojtaba Nasiri, Saleh Mobayen, and G. B. Gharehpetian. "Sliding Mode Controller-Based BFCL for Fault Ride-Through Performance Enhancement of DFIG-Based Wind Turbines." Complexity 2020 (May 15, 2020): 1–12. http://dx.doi.org/10.1155/2020/1259539.

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The fault ride-through (FRT) capability and fault current issues are the main challenges in doubly fed induction generator- (DFIG-) based wind turbines (WTs). Application of the bridge-type fault current limiter (BFCL) was recognized as a promising solution to cope with these challenges. This paper proposes a nonlinear sliding mode controller (SMC) for the BFCL to enhance the FRT performance of the DFIG-based WT. This controller has robust performance in unpredicted voltage sag level and nonlinear features. Theoretical discussions, power circuit, and nonlinear control consideration of the SMC-

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GUO, ZHENGANG, LIHONG YANG, HONGMEI QIU, XUEDAN ZHAN, JINHUA YIN, and LIPENG CAO. "STRUCTURAL, MAGNETIC AND DIELECTRIC PROPERTIES OF Fe-DOPED BaTiO3 SOLIDS." Modern Physics Letters B 26, no. 09 (2012): 1250056. http://dx.doi.org/10.1142/s021798491250056x.

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The structural, ferroelectric and magnetic properties of bulk perovskite Fe -doped BaTiO 3 (BFTO) prepared by standard solid-state reaction have been investigated. X-ray diffraction (XRD) identifies the tetragonal structure of BFTO samples. Rietveld refinements of XRD data indicates that the doping ions led to ab-plane expansion and out-of-ab-plane shrinkage of the BFTO phases. X-ray photoelectron spectroscopy (XPS) measurements for the prepared samples reveals that Fe 3+ and Fe 4+ ions replaces Ti 4+ ions in the crystal lattice to form single-phase BFTO solids. The results of the temperature-

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Kavoussi, Shahryar K., Shu-Hung Chen, John David Wininger, et al. "The expression of pregnancy-associated plasma protein-A (PAPP-A) in human blastocoel fluid–conditioned media: a proof of concept study." Journal of Assisted Reproduction and Genetics 39, no. 2 (2022): 389–94. http://dx.doi.org/10.1007/s10815-022-02393-4.

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Abstract Purpose The aim of this study was to determine if pregnancy-associated plasma protein-A (PAPP-A), typically measured in maternal serum and a potential predictor of adverse maternal and fetal outcomes such as spontaneous miscarriage, pre-eclampsia, and stillbirth, is expressed in blastocoel fluid–conditioned media (BFCM) at the embryonic blastocyst stage. Design This is an in vitro study. Methods BFCM samples from trophectoderm-tested euploid blastocysts (n = 80) from in vitro fertilization/intracytoplasmic sperm injection (IVF/ICSI) patients were analyzed for PAPP-A mRNA. BFCM was obt

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Pan, Jeng-Shyang, Longkang Yue, Shu-Chuan Chu, Pei Hu, Bin Yan, and Hongmei Yang. "Binary Bamboo Forest Growth Optimization Algorithm for Feature Selection Problem." Entropy 25, no. 2 (2023): 314. http://dx.doi.org/10.3390/e25020314.

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Inspired by the bamboo growth process, Chu et al. proposed the Bamboo Forest Growth Optimization (BFGO) algorithm. It incorporates bamboo whip extension and bamboo shoot growth into the optimization process. It can be applied very well to classical engineering problems. However, binary values can only take 0 or 1, and for some binary optimization problems, the standard BFGO is not applicable. This paper firstly proposes a binary version of BFGO, called BBFGO. By analyzing the search space of BFGO under binary conditions, the new curve V-shaped and Taper-shaped transfer function for converting

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Gao, Yanqiu, Anzhou Cao, Haibo Chen, and Xianqing Lv. "Estimation of Bottom Friction Coefficients Based on an Isopycnic-Coordinate Internal Tidal Model with Adjoint Method." Mathematical Problems in Engineering 2013 (2013): 1–11. http://dx.doi.org/10.1155/2013/532814.

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Based on an isopycnic-coordinate internal tidal model with the adjoint method, three groups of ideal experiments are carried out in order to investigate the estimation of spatially varying bottom friction coefficients (BFCs). In group 1, five values of distance between independent points (DIP) are used to invert the BFCs with the distribution of conical surface. Results show that the BFCs can be inverted successfully with independent point scheme and the strategy with a DIP of 50′ can yield the best results. In group 2, five values of interpolation radius (IR) are used to invert the BFCs with

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