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Zeitschriftenartikel zum Thema „Bcc Co“

Autor: Grafiati

Veröffentlicht am 28. Juni 2021

Zuletzt aktualisiert am 29. Juli 2025

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1

Umair Hassan, Muhammad, Guoqin Huang, Rizwan Munir, Tahir Abbas Khan, and Mehmood Ali Noor. "Biochar Co-Compost: A Promising Soil Amendment to Restrain Greenhouse Gases and Improve Rice Productivity and Soil Fertility." Agronomy 14, no. 7 (2024): 1583. http://dx.doi.org/10.3390/agronomy14071583.

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Agriculture is a major source of greenhouse gas (GHG) emissions. Biochar has been recommended as a potential strategy to mitigate GHG emissions and improve soil fertility and crop productivity. However, few studies have investigated the potential of biochar co-compost (BCC) in relation to soil properties, rice productivity, and GHG emissions. Therefore, we examined the potential of BC, compost (CP), and BCC in terms of environmental and agronomic benefits. The study comprised four different treatments: control, biochar, compost, and biochar co-compost. The application of all of the treatments

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Nishioka, Shingo, Rie Matsumoto, Hiroyuki Tomita, et al. "Spin dependent tunneling spectroscopy in single crystalline bcc-Co/MgO/bcc-Co(001) junctions." Applied Physics Letters 93, no. 12 (2008): 122511. http://dx.doi.org/10.1063/1.2988647.

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3

Bauer, Rico, E. Bischoff, and Eric J. Mittemeijer. "Precipitation of Co in Supersaturated Au-Based Au-Co Alloys; Microstructural Evolution and Transformation Kinetics." Solid State Phenomena 172-174 (June 2011): 390–95. http://dx.doi.org/10.4028/www.scientific.net/ssp.172-174.390.

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Natural formation of the unusual bcc modification for Co was demonstrated to occur upon precipitation of Co in supersaturated Au90Co10alloy, applying high resolution transmission electron microscopy. The bcc Co phase precipitates as thin (0.5 – 1 nm) plates along {100} habit planes, exhibiting the orientation relationship: {100}Au,fcc//{100}Co,bccand <001>Au,fcc//<011>Co,bcc. Prolonged annealing induces a Bain type transformation from bcc Co into fcc Co. The precipitation kinetics of Co in supersaturated solid solutions of Au90Co10was investigated by DSC upon isothermal annealing a

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4

Kamada, Y., K. Sugimoto, and M. Matsui. "Magnetoresistance Effect of Co/bcc-Cr, Ni/bcc-Cr Artificial Superlattices." Journal of the Magnetics Society of Japan 21, no. 4_2 (1997): 549–52. http://dx.doi.org/10.3379/jmsjmag.21.549.

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5

Klosowski, Marika L., Kathryn Cronise, Claire Stratton, et al. "Abstract LB317: TNBC cell co-culture with primary human lung fibroblasts identifies a paracrine-juxtacrine signaling loop promoting fibroblast activation and autophagy-dependent breast cancer cell therapy resistance." Cancer Research 84, no. 7_Supplement (2024): LB317. http://dx.doi.org/10.1158/1538-7445.am2024-lb317.

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Abstract Triple negative breast cancer (TNBC) carries a poorer prognosis than other breast cancer subtypes due to high metastatic incidence, lack of molecular drug targets, and rapid development of chemoresistance. Cancer-associated fibroblasts (CAFs) are key extrinsic drivers of chemoresistance in primary TNBC tumors, but it is unknown whether resident fibroblasts in distant metastatic tissues also influence TNBC drug sensitivity. Since the lung is a top metastatic site in TNBC, we developed a breast cancer cell (BCC) - primary human donor-derived lung fibroblast (LF) co-culture model to iden

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Lin, Jinger, Min Luo, Qianwei Zhuo, Haosong Zhang, Nuo Chen, and Yue Han. "The top 100 most cited articles in the treatment of basal cell carcinoma over the last decade: A bibliometric analysis and review." Medicine 103, no. 15 (2024): e37629. http://dx.doi.org/10.1097/md.0000000000037629.

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Basal cell carcinoma (BCC) represents the most prevalent cancer globally. The past decade has witnessed significant advancements in BCC treatment, primarily through bibliometric studies. Aiming to perform a comprehensive bibliometric analysis of BCC treatments to comprehend the research landscape and identify trends within this domain, a dataset comprising 100 scientific publications from the Web of Science Core Collection was analyzed. Country co-operation, journal co-citation, theme bursts, keyword co-occurrence, author co-operation, literature co-citation, and field-specific references were

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Inoue, Akihisa, and Baolong Shen. "Soft Magnetic Properties of Nanocrystalline Fe–Co–B–Si–Nb–Cu Alloys in Ribbon and Bulk Forms." Journal of Materials Research 18, no. 12 (2003): 2799–806. http://dx.doi.org/10.1557/jmr.2003.0390.

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Ribbon and bulk nanocrystalline body-centered-cubic (bcc) (Fe,Co) alloys exhibiting good soft magnetic properties were synthesized in Fe71.5-xCoxB13.5Si10Nb4Cu1 system by the simple production processes of melt-spinning or casting and annealing. The glass-type alloys were formed in the Co content range below 30 at.%. These glassy alloys crystallized through two exothermic reactions. The first stage was due to the precipitation of nanoscale bcc-(Fe,Co) phase with a grain size of about 10 nm, and the second stage resulted from the decomposition of the remaining amorphous phase to α–(Fe,Co), (Fe,

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Kim, Chiho, and Yong-Chae Chung. "Interfacial Spin Polarization and Magnetic Structure of Co/MgO/Co Magnetic Tunnel Junction: Ab Initio Calculation." Journal of Nanoscience and Nanotechnology 8, no. 4 (2008): 2016–21. http://dx.doi.org/10.1166/jnn.2008.050.

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Using ab initio method based on the density functional theory, the equilibrium bcc-Co(001)/rocksalt-MgO(001)/bcc-Co(001) magnetic tunnel junction structure was investigated. Spin polarization and magnetic moment were calculated for each atomic slab in the equilibrium structure by spin dependent density of states analysis. Interfacial Co atoms showed significantly larger spin polarization of –88.3%, compared to the value of inner Co slabs, –82.3%, and bulk bcc Co, –82.1%. Interestingly, Mg and O atoms also showed induced spin polarizability ranged from –45.0% to –66.0%, except for O atoms in th

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9

Sandratskii, L. M., and J. Kübler. "Local magnetic moments in bcc Co." Physical Review B 47, no. 10 (1993): 5854–60. http://dx.doi.org/10.1103/physrevb.47.5854.

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10

Idzerda, Y. U., D. M. Lind, D. A. Papaconstantopoulos, G. A. Prinz, B. T. Jonker, and J. J. Krebs. "Stoner excitations in bcc Co (invited)." Journal of Applied Physics 64, no. 10 (1988): 5921–26. http://dx.doi.org/10.1063/1.342175.

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11

Bland, J. A. C., R. D. Bateson, P. C. Riedi, et al. "Magnetic properties of bcc Co films." Journal of Applied Physics 69, no. 8 (1991): 4989–91. http://dx.doi.org/10.1063/1.348197.

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12

Zhang, Y., Y. Tsushio, Hirotoshi Enoki, and Etsuo Akiba. "Hydrogenation Properties of Mg-Co and Its Related Alloys." Materials Science Forum 475-479 (January 2005): 2453–56. http://dx.doi.org/10.4028/www.scientific.net/msf.475-479.2453.

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Novel Mg-Co binary alloys with BCC (body-centered cubic) structure have been successfully synthesized by means of mechanical alloying technique. The formation of BCC structure was confirmed by X-ray diffraction and transmission electron microscopy. Mg-Co alloys were found in the range of Co concentration between 37 and 80 atomic %. All the Mg-Co alloys synthesized absorbed hydrogen below 373K. The maximum hydrogen capacity of these alloys reaches 2.7 mass %. However, desorption of hydrogen at 373 K has not been observed yet. Mg- Co-X (X = B and Ni) ternary alloys with BCC structure have also b

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Ohtake, Mitsuru, Shigeyuki Minakawa, and Masaaki Futamoto. "Preparation of 3d Ferromagnetic Transition Metal Thin Films with Metastable bcc Structure on GaAs(100) Substrates." Key Engineering Materials 605 (April 2014): 478–82. http://dx.doi.org/10.4028/www.scientific.net/kem.605.478.

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Ni, permalloy (Py: Ni - 20 at. % Fe), and Co films of 40 nm thickness are prepared on GaAs (100) single-crystal substrates at room temperature and 200 °C by magnetron sputtering. The growth behavior and crystallographic properties are studied. In early stages of film growth, metastable bcc single-crystals nucleate on the substrates for all the film materials. The crystal structure is stabilized through hetero-epitaxial growth. With increasing the thickness beyond 2 nm, the bcc structure starts to transform into fcc or hcp structure through atomic displacements parallel to the bcc {110} close-p

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14

Shen, Baolong, and Akihisa Inoue. "Soft magnetic properties of bulk nanocrystalline Fe–Co–B–Si–Nb–Cu alloy with high saturated magnetization of 1.35 T." Journal of Materials Research 19, no. 9 (2004): 2549–52. http://dx.doi.org/10.1557/jmr.2004.0360.

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Bulk nanocrystalline body-centered cubic- (bcc) (Fe,Co) alloy with high saturated magnetization and good soft magnetic properties was synthesized by the simple process of casting and annealing for the glass-type Fe62.8Co10B13.5Si10Nb3Cu0.7 alloy. It crystallizes through two exothermic reactions. The cylindrical glassy rod with the diameter of 1.5 mm was produced by copper mold casting. The subsequent annealing at the temperature higher than that of the first exothermic peak causes the formation of bcc-(Fe,Co) nanocrystalline with particle sizes between 10 and 15 nm. The bcc-(Fe,Co) alloy rods

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KASHKAROV, E. B., T. L. MURASHKINA, D. G. KROTKEVICH, M. KOPTSEV, and A. M. LIDER. "Microstructure and phase composition of multicomponent Nb–Ni–Ti–Zr–Co alloys." Izvestiya vysshikh uchebnykh zavedenii. Fizika 67, no. 1 (2024): 55–62. https://doi.org/10.17223/00213411/67/1/7.

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The microstructure, phase composition and hardness of equimolar high entropy and multicomponent alloys Nb-Ni-Ti-Zr-Co synthesized by arc melting are presented. The microstructure and phase composition of the alloys were analyzed by scanning electron microscopy and X-ray diffraction, respectively. It was found that the BCC-(Nb, Ni, Ti, Zr, Co) and the niobium-enriched BCC-Nb(Ni, Ti, Zr, Co) phases were formed in the equimolar high entropy Nb20Ni20Ti20Zr20Co20 alloy, while in addition to the above BCC phases, B 2-Ni(Ti, Zr), B 2-CoZr, and ZrNi phases are present in different ratios in the Nb45(N

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Noro, Shota, Mitsuru Ohtake, Tetsuroh Kawai, Masaaki Futamoto, Fumiyoshi Kirino, and Nobuyuki Inaba. "Magnetostrictive properties of Co-Fe alloy epitaxial thin films with Co-rich composition." AIP Advances 12, no. 3 (2022): 035144. http://dx.doi.org/10.1063/9.0000352.

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Co75Fe25 (at. %) alloy films of 100 nm thickness are prepared on MgO(001) and (110) single-crystal substrates. A Co75Fe25(001)bcc single-crystal film is epitaxially grown on the MgO(001) substrate, whereas a Co75Fe25(211)bcc bi-crystalline film is formed on the MgO(110) substrate. The out-of-plane and in-plane lattice spacings of Co75Fe25 films are in agreement with the bulk values within small differences of less than 1%. The out-of-plane and in-plane orientation dispersions are smaller than 2°. These results show that well-defined Co75Fe25 epitaxial films consisting of single bcc phase are s

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Methfessel, T., and H. J. Elmers. "Reconstructed bcc Co films on the surface." Surface Science 601, no. 21 (2007): 5026–33. http://dx.doi.org/10.1016/j.susc.2007.09.006.

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18

Dekoster, J., E. Jedryka, C. Mény, and G. Langouche. "Epitaxial growth of bcc Co/Fe superlattices." Journal of Magnetism and Magnetic Materials 121, no. 1-3 (1993): 69–72. http://dx.doi.org/10.1016/0304-8853(93)91151-v.

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19

Resali, Nor Azrina, Koay Mei Hyie, Wan Normimi Roslini Abdullah, and Nor Hayati Saad. "Morphological Studies of Electrodeposited Cobalt Based Coatings: Effect of Alloying Elements." Advanced Materials Research 938 (June 2014): 52–57. http://dx.doi.org/10.4028/www.scientific.net/amr.938.52.

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Electrodeposition is known as a simple and low-cost method to synthesize good-quality coating with excellent hardness. In this work, the morphology changes on Cobalt coating with the addition of iron and nickel elements were investigated. Co (Cobalt) and Co-based alloy coatings were prepared by electrodeposition technique using sulfate-based electrolytes. The process was conducted at 50°C temperature in an acidic environment (pH 3). The pure Co coating shows the tendency to form snowflake-like morphology structure. The dendritic morphology appeared in the Co-Fe coatings. However, the dendritic

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20

Kumar, D. Atchyut, Saijyothi Nagireddi, D. Arvindha Babu, J. Arout Chelvane, M. Manivel Raja, and T. K. Nandy. "Effect of Vanadium Addition On Structure And Soft Magnetic Properties of Nanocrystalline FeCoZrBCu Melt Spun Alloys." Defence Science Journal 73, No 2 (2023): 231–40. http://dx.doi.org/10.14429/dsj.73.18721.

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In this report, glass forming ability, structure and soft magnetic properties of melt spun ribbons of (Fe1-xCox) 88-yVyZr7B4Cu1alloys with compositions x0.1y2, x0.1y4 and x0.1y6 & x0.35y2, x0.35y4 and x0.35y6 have been investigated. All alloys were found to be fully amorphous after melt spinning. Annealing of amorphous ribbons of x0.1 series alloys leads to the formation of bcc α-Fe(Co) phase and Fe2Zr phase in the amorphous matrix, while annealing of amorphous ribbons of x0.35 series alloys, leads to the formation of only bcc α-Fe(Co) phase in the amorphous matrix. High precision lattice

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21

Romano, Daniel. "Perception of BCC-algebras under the Bishops principled-philosophical orientation: BCC-algebra with apartness." Filomat 33, no. 19 (2019): 6369–80. http://dx.doi.org/10.2298/fil1919369r.

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In this paper it is given a short introduction in a reconsideration about BCC-algebras under the light of Bishop?s principled-philosophical orientation. At the first, it is introduced the concept of BCC-algebras into this orientation. Additionally, the consequences of the selected axioms in the determination of BCC-algebras with apartness are analyzed. Also, some substructures in the BCC-algebras with apartness that have no counterparts in the classical case and which appear as products of the chosen logical environment such as co-ideals are analyzed. At the end, two different results that can

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Wittig, J. E., J. F. Al-Sharab, J. Bentley, N. D. Evans, T. P. Nolan, and R. Sinclair. "Quantitative EFTEM of Cr Grain Boundary Segregation in Cocrta." Microscopy and Microanalysis 7, S2 (2001): 298–99. http://dx.doi.org/10.1017/s1431927600027562.

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Grain boundary Cr segregation provides magnetic isolation between the crystals in sputtered Co thin films used for longitudinal magnetic recording. Magnetic isolation decouples individual grains in order to increase coercivity, lower media noise, and allow for higher recording densities. These sputtered Co alloys grow with a strong [1120] texture owing to a body centered cubic (BCC) Cr underlayer. The sputtered Cr seed-layer has a [001]BCC growth texture and the BCC {110}cr planes lattice match with the hexagonal (0002)cr planes. This produces the desired condition of the easy axis of magnetiz

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Fitria Mayasari, Kenty Wantri Anita, Diah Prabawati Retnani, and Rachmad Sarwo Bekti. "Beyond Co-Expression: Unraveling the Complex Relationship Between PD-L1 and Tumor-Infiltrating Lymphocytes in Basal Cell Carcinoma Subtypes." Bioscientia Medicina : Journal of Biomedicine and Translational Research 9, no. 8 (2025): 8305–18. https://doi.org/10.37275/bsm.v9i8.1354.

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Background: Basal cell carcinoma (BCC) is the most prevalent non-melanoma skin cancer, characterized by high recurrence rates. Immunotherapy, particularly targeting the Programmed Death-1 (PD-1)/Programmed Death-Ligand 1 (PD-L1) axis, offers a promising therapeutic avenue. The interplay between PD-L1 expression on tumor and immune cells and the nature of Tumor-Infiltrating Lymphocytes (TILs) is crucial for immune response, yet their relationship in BCC, especially across diverse histological subtypes, remains incompletely understood. This study aimed to investigate the correlation between PD-L

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LUCHES, P., A. DI BONA, A. BORGHI, C. GIOVANARDI, and S. VALERI. "GROWTH MODE OF ULTRATHIN Co FILMS ON Fe(001) PREPARED BY LOW ENERGY ION-ASSISTED DEPOSITION." Surface Review and Letters 06, no. 05 (1999): 747–52. http://dx.doi.org/10.1142/s0218625x99000743.

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Co films were epitaxially grown on Fe(001) by simultaneous thermal evaporation of Co atoms and ion bombardment with low-energy (300–1000 eV) Ar ions in a wide range of ion-to-atom flux ratio (0.02–0.5). The 0–50 ML coverage range was investigated. Transition from island growth to a continuous layer growth occurs on passing from purely thermal to ion-assisted deposition procedure. Structural characterization was performed by Primary-beam Diffraction Modulated Electron Emission (PDMEE). For purely thermal deposition, transition from the bcc phase to the equilibrium, hcp phase has been observed a

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GAZZADI, G. C., A. DI BONA, F. BORGATTI, A. ROTA, and S. VALERI. "SURFACE AND NEAR SURFACE STRUCTURE OF Fe–Co LAYERS BY SCATTERING-INTERFERENCE OF PRIMARY ELECTRONS." Surface Review and Letters 04, no. 06 (1997): 1267–71. http://dx.doi.org/10.1142/s0218625x97001656.

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We studied the Co/Fe bi- and multilayer growth on Fe single crystal using the primary-beam diffraction modulated electron emission (PDMEE) technique. This approach enables a chemical selected structural characterization of both surface and buried layers and interfaces to be performed. Co growth on the Fe(001) surface was studied in the 3–70 ML coverage range. The transition from the initial epitaxial bcc phase of the Co film to the stable hcp phase was found to occur rather abruptly at 25–30 ML coverage, a value larger than previously reported in the literature. Subsequent Fe deposition on the

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Blomqvist, P., and R. Wäppling. "Structural properties of ultrathin bcc Co (001) layers." Journal of Crystal Growth 252, no. 1-3 (2003): 120–27. http://dx.doi.org/10.1016/s0022-0248(03)00885-6.

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Dekoster, J., E. Jedryka, M. Wójcik, and G. Langouche. "Structure and magnetism in bcc Co/Fe superlattices." Journal of Magnetism and Magnetic Materials 126, no. 1-3 (1993): 12–15. http://dx.doi.org/10.1016/0304-8853(93)90531-6.

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Hafermann, H., R. Bručas, I. L. Soroka, et al. "Competing anisotropies in bcc Fe81Ni19/Co(001) superlattices." Applied Physics Letters 94, no. 7 (2009): 073102. http://dx.doi.org/10.1063/1.3081107.

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Kozakai, Takao, Tadaaki Shikama, Toshiyuki Koyama, and Minoru Doi. "Metastable Two-Phase Field(A2+B2) in Co-Al-Fe and Co-Al Alloy Systems." Materials Science Forum 449-452 (March 2004): 61–64. http://dx.doi.org/10.4028/www.scientific.net/msf.449-452.61.

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Precipitation of disordered bcc Co (A2) particles has been investigated in Co-rich B2 ordered Co-Al-Fe and Co-Al alloys by means of a macroscopic composition gradient method using a transmission electron microscope. When Co-Al-Fe ternary and Co-Al binary alloys were annealed at 823-1023K for a relatively short time, bcc disordered particles precipitated within B2 ordered matrix, followed by the formation of equilibrium fcc α-Co (A1) on the phase boundaries. The precipitation limit of metastable A2 phase was evaluated using the binary and ternary specimens with macroscopic compositional gradien

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Liu, Ning, Chen Chen, Isaac Chang, Pengjie Zhou, and Xiaojing Wang. "Compositional Dependence of Phase Selection in CoCrCu0.1FeMoNi-Based High-Entropy Alloys." Materials 11, no. 8 (2018): 1290. http://dx.doi.org/10.3390/ma11081290.

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To study the effect of alloy composition on phase selection in the CoCrCu0.1FeMoNi high-entropy alloy (HEA), Mo was partially replaced by Co, Cr, Fe, and Ni. The microstructures and phase selection behaviors of the CoCrCu0.1FeMoNi HEA system were investigated. Dendritic, inter-dendritic, and eutectic microstructures were observed in the as-solidified HEAs. A simple face centered cubic (FCC) single-phase solid solution was obtained when the molar ratio of Fe, Co, and Ni was increased to 1.7 at the expense of Mo, indicating that Fe, Co, and Ni stabilized the FCC structure. The FCC structure was

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Yasuda, Hiroyuki Y., Kentaro Soma, and Yoshiaki Odawara. "Deformation Behavior of Fe-Al-Co Single Crystals Containing CoAl Precipitates." Materials Science Forum 783-786 (May 2014): 2869–74. http://dx.doi.org/10.4028/www.scientific.net/msf.783-786.2869.

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The effect of the CoAl precipitates on the deformation behavior of Fe-15.0Al-15.0Co (at.%) single crystals was examined. The spherical CoAl phase with the B2 structure was precipitated in the single crystals and was stable below 974 K. The bcc matrix and CoAl phase satisfied the cube-on-cube orientation relationship with a misfit strain of 0.25%. The single crystals showed a high yield stress up to 923 K while the stress dropped at 1023 K due to the dissolution of the CoAl phase into the matrix. Moreover, the activated sip system of the crystals containing the CoAl precipitates depended strong

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Mingjun, Li, Song Guangsheng, Yang Gencang, and Zhou Yaohe. "Critical undercoolings for the formation of metastable phase and its morphologies solidified from undercooled Fe–Co melts." Journal of Materials Research 14, no. 5 (1999): 1679–82. http://dx.doi.org/10.1557/jmr.1999.0225.

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The maximum undercoolings of 304, 318, 308, and 296 K were achieved, respectively, in Fe-22, 26, 30, and 34 at.% Co alloys. The metastable bcc phase nucleated from melts when undercoolings exceeded critical ones. The critical undercoolings for the formation of metastable bcc phase from Fe-22, 26, 30, and 34 at.% Co melts were 104, 156, 204, and 248 K, respectively. The morphologies of as-obtained metastable bcc phase exhibited five typical patterns: dendrite cores with primary and second arms, well-developed second arms, and radiated, lath, and platelike structures. Based on the classical nucl

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Teodorescu, C. M., J. Chrost, H. Ascolani, J. Avila, F. Soria, and M. C. Asensio. "Growth of Epitaxial Co Layers on Sb-Passivated GaAs(110) Substrates." Surface Review and Letters 05, no. 01 (1998): 279–83. http://dx.doi.org/10.1142/s0218625x98000517.

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The role of Sb in the formation of the Co/GaAs(110) interfaces has been investigated by angular photoelectron diffraction (PD), synchrotron-radiation (SR) core-level photoemission and low-energy electron diffraction. We find that Co forms a metastable bcc phase on GaAs(110), with its principal crystallographic axes parallel to the substrate. From polar-angle-scanned PD, we determine an outward expansion of up to 14% of the lattice constant perpendicular to the surface, for epitaxial Co films grown on nontreated substrates. By Sb passivation of the GaAs(110) surface prior to the Co deposition,

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Carrillo, Albert, Jason Daza, Joan Saurina, Lluisa Escoda, and Joan-Josep Suñol. "Structural, Thermal and Magnetic Analysis of Fe75Co10Nb6B9 and Fe65Co20Nb6B9 Nanostructured Alloys." Materials 14, no. 16 (2021): 4542. http://dx.doi.org/10.3390/ma14164542.

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Two nanocrystalline ferromagnetic alloys of the Fe-Co-Nb-B system have been produced by mechanical alloying (MA). Their microstructure, thermal behavior and magnetic response were checked by X-ray diffraction (XRD), differential scanning calorimetry (DSC) and vibrating sample magnetometry (VSM). After 80 h of MA, the alloys were nanostructured (bcc-Fe(Co)-rich phase). As the Co content increases, the density of the dislocations decreases. Besides, a higher concentration of Co causes an increase in the activation energy of the crystallization process. The calculated energies, 267 and 332 kJ/mol

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Liu, B. X., and Z. J. Zhang. "Reverse martensitic phase transformation induced in Nb–Co multilayers by ion irradiation." Journal of Materials Research 9, no. 2 (1994): 357–61. http://dx.doi.org/10.1557/jmr.1994.0357.

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A reverse martensitic phase transformation was observed in Nb-enriched Nb-Co multilayers induced by room temperature 200 ke V xenon ion mixing. Further experiments revealed that this bcc-fcc transition proceeds in two steps, i.e., bcc-hcp and hcp-fcc. A crystallographic model is proposed to explain the two-step transition through shearing and sliding, which are mediated by irradiation-induced defects and strain in the films. In addition, the existence of the hcp and fcc metastable states in the Nb-Co system was confirmed by high-temperature solid state interdiffusion of the corresponding multi

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Montejano-Carrizales, J. M., and R. A. Guirado-López. "Magnetic Properties of Co Nanoparticles: Role of the Coexistence of Different Geometrical Phases." Journal of Nanoscience and Nanotechnology 8, no. 12 (2008): 6497–503. http://dx.doi.org/10.1166/jnn.2008.18414.

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Following the experimental results of Respaud et al. [Phys. Rev. B 57, 2925 (1998)] we report self-consistent electronic structure calculations in order to analyze the magnetic properties of Co nanoparticles in which a coexistence of bcc and compact (fcc) phases are present within the particles. In all cases, the local spin moments S(i) are found to be saturated (∼1.7 μB) while, in contrast, the local orbital moments L(i) and the magnetic anisotropy energy (MAE) are found to be very sensitive to the size and structure of the systems. Interestingly, we obtain considerably enhanced values for L(

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Rapoport, Bernardo Leon, Ronald Anderson, Nonkululeko Malinga, et al. "Transforming growth factor-b1 and soluble co-inhibitory immune checkpoints as putative drivers of immune suppression in advanced basal cell carcinoma." Journal of Clinical Oncology 41, no. 16_suppl (2023): 9567. http://dx.doi.org/10.1200/jco.2023.41.16_suppl.9567.

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9567 Background: BCC rarely metastasizes and the mortality rate is low; however, the disease is associated with substantial morbidity. Transforming growth factor-b1 (TGF-b1) is a key player in cell proliferation, differentiation, apoptosis, and immune regulation. TGF-b1 is associated with immunosuppression and resistance to immunotherapeutic drugs. Immune checkpoint proteins (ICMs) maintain self-tolerance and modulate the immune responses of effector cells. The current study compared the levels and possible associations between systemic soluble ICMs (sICMs) and a group of humoral modulators of

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Kamal, Tahseen, Mazhar Ul-Islam, Sher Bahadar Khan, Esraa M. Bakhsh, and Muhammad Tariq Saeed Chani. "Preparation, Characterization, and Biological Features of Cactus Coated Bacterial Cellulose Hydrogels." Gels 8, no. 2 (2022): 88. http://dx.doi.org/10.3390/gels8020088.

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The current study was aimed at developing BC-Cactus (BCC) composite hydrogels with impressive mechanical features for their potential applications in medical and environmental sectors. BCC composites hydrogels were developed through cactus gel coating on a never dried BC matrix. The FE-SEM micrographs confirmed the saturation of BC fibrils with cactus gel. Additionally, the presence of various functional groups and alteration in crystalline behavior was confirmed through FTIR and XRD analysis. Mechanical testing illustrated a three-times increase in the strain failure and an increase of 1.6 ti

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Abrosimova, G. E., N. A. Volkov, E. A. Pershina, V. V. Chirkova, I. A. Sholin, and A. S. Aronin. "Formation of bcc nanocrystals in Co-based amorphous alloys." Journal of Non-Crystalline Solids 565 (August 2021): 120864. http://dx.doi.org/10.1016/j.jnoncrysol.2021.120864.

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Prinz, G. A. "Stabilization of bcc Co via Epitaxial Growth on GaAs." Physical Review Letters 54, no. 10 (1985): 1051–54. http://dx.doi.org/10.1103/physrevlett.54.1051.

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Lee, J. I., C. L. Fu, and A. J. Freeman. "Electronic structure and magnetism of metastable bcc Co(001)." Journal of Magnetism and Magnetic Materials 62, no. 1 (1986): 93–100. http://dx.doi.org/10.1016/0304-8853(86)90739-0.

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Zhang, Zequn, Kaikai Song, Ran Li, et al. "Polymorphic Transformation and Magnetic Properties of Rapidly Solidified Fe26.7Co26.7Ni26.7Si8.9B11.0 High-Entropy Alloys." Materials 12, no. 4 (2019): 590. http://dx.doi.org/10.3390/ma12040590.

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In this work, the microstructural evolution and magnetic performance of the melt-spun amorphous and amorphous-crystalline Fe26.7Co26.7Ni26.7Si8.9B11.0 high-entropy alloys (HEAs) during crystallization were investigated, respectively. Upon heating fully amorphous ribbons, a metastable BCC supersaturated solid solution together with a little Ni31Si12 crystals first precipitated and then the (Fe,Co)2B crystals formed until the full crystallization was achieved. With further increasing temperature after full crystallization, a polymorphic transformation from a metastable BCC phase to two types of

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Yasuda, Hiroyuki Y., and Ryota Kobayashi. "Deformation Behavior of Fe-Al-Co-Ti Single Crystals Containing Co₂AlTi Precipitates." Materials Science Forum 879 (November 2016): 2210–15. http://dx.doi.org/10.4028/www.scientific.net/msf.879.2210.

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Deformation behavior of Fe-15Al-18Co-3Ti (at.%) single crystals containing the Co2AlTi precipitates was examined. In the single crystals furnace-cooled (FC) from 1373 K to room temperature, coarse Co2AlTi phase with the L21 structure was precipitated in the bcc matrix. The L21 phase showed a cuboidal shape with a misfit strain of 0.59%. It is also noted that large amount of Fe substituted for Co in the Co2AlTi precipitates. The FC single crystals exhibited high yield stress above 600 MPa up to 823 K while further increase in temperature resulted in a decrease in yield stress. In the FC crystal

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Abbas, Syed Zameer, Rashid Ali Sandhu, and Fazal Ahmad Khalid. "Structure and Properties of AlCrCo<sub>(1-x)</sub>Fe<sub>(1+x)</sub>Ni<sub>2</sub> High Entropy Alloy." Materials Science Forum 1132 (November 8, 2024): 35–41. http://dx.doi.org/10.4028/p-jz3rlu.

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High entropy alloys possess excellent properties and a great deal of research is being carried out on them. AlCrCo(1-x)Fe(1+x)Ni2 (x= 0, 0.5, 1) alloys were arc melted and suction cast in strip form in a controlled atmosphere. The alloys were characterized for crystal structure, phases and Vickers hardness. A two phase vermicular structure was observed for alloys with x = 0 – 0.5 consisting of Ni rich BCC and Cr rich FCC phases while a widmanstatten structure formed in alloy with x = 1 (without Co). An increase in the amount of BCC phase and hardness was noted with the replacement of Co with F

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Homolová, Viera, and Aleš Kroupa. "Thermodynamic Modeling of the Al–Co–Pd Ternary System, Aluminum Rich Corner." Metals 11, no. 11 (2021): 1803. http://dx.doi.org/10.3390/met11111803.

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The aluminum-rich corner of the Al–Co–Pd ternary system was thermodynamically modeled by the CALPHAD method in the present study. The ternary system is a complex system with many ternary phases (W, V, F, U, Y2, C2). All ternary phases, except phase U, were modeled as stoichiometric compounds. The order–disorder model was used to describe the BCC–B2 and BCC-A2 phases. Solubility of the third element in binary intermetallic phases (Al5Co2, Al3Co, Al9Co2, Al13Co4, Al3Pd and Al3Pd2) was modeled. The experimental results collected from the literature were used in the optimization of the thermodynam

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Monzen, Ryoichi, and Takaharu Echigo. "Growth of BCC Fe-Co Particles Precipitated at Boundaries in Cu-Fe-Co Bicrystals." Journal of the Japan Institute of Metals 61, no. 11 (1997): 1206–10. http://dx.doi.org/10.2320/jinstmet1952.61.11_1206.

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Mandic-Markovic, Vesna, Zeljko Mikovic, and Dejan Filimonovic. "Selective fetal termination in monochorionic twin pregnancies - pregnancy outcome after bipolar cord coagulation and interstitial laser coagulation." Srpski arhiv za celokupno lekarstvo 148, no. 1-2 (2020): 64–69. http://dx.doi.org/10.2298/sarh180806125m.

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Introduction/Objective. In this paper we present the perinatal outcome after selective fetal termination (SFT) in monochorionic (MH) twins done by bipolar cord coagulation (BCC) and interstitial laser coagulation (ILC). Methods. During a five-year period, SFT was done in 22 MH twins. BCC was done in 15 and ILC in seven cases. We registered the indication for SFT, gestational age at SFT, immediate postoperative death and late death of the co-twin, PPROM (preterm pre-labor rupture of membranes), gestational age at delivery/abortion, procedure-to-delivery interval, mode of delivery, neonatal body

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Du, Dou, and Namin Xiao. "1^st principle study of Co-Fe alloy structural and magnetic properties." Journal of Physics: Conference Series 2955, no. 1 (2025): 012053. https://doi.org/10.1088/1742-6596/2955/1/012053.

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Abstract This study investigates the structural and magnetic properties of cobalt (Co), iron (Fe), and their alloy (CoFe) using first-principles density functional theory (DFT) calculations. Employing the Perdew-Burke-Ernzerhof (PBE) functional and its extension with Hubbard U (PBE+U), the effect of U values on the electronic structure and magnetic properties of these systems is explored. The results show that increasing the U value leads to an enhancement in both lattice parameters and magnetic moments for Fe, Co, and the CoFe alloy. Specifically, BCC CoFe is found to be more energetically st

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Heiming, A., W. Petry, J. Trampenau, W. Miekeley, and J. Cockcroft. "The temperature dependence of the lattice parameters of pure BCC Zr and BCC Zr-2 at.%Co." Journal of Physics: Condensed Matter 4, no. 3 (1992): 727–33. http://dx.doi.org/10.1088/0953-8984/4/3/012.

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Janotová, Irena, Peter Švec, Igor Mat’ko, Peter Švec, Dušan Janičkovič, and Juraj Zigo. "Structure of Rapidly Quenched Fe-Co-Sn-B Systems with Varying Fe/Co Ratio." Journal of Electrical Engineering 66, no. 5 (2015): 297–300. http://dx.doi.org/10.2478/jee-2015-0049.

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Abstract We present a study of ferromagnetic systems based on Fe-Co-Sn-B in nanocrystalline state. Interesting magnetic properties potentially are given by the homogeneous and ultrafine structure of bcc Fe grains in amorphous structure. The effect of alloying by Sn improves the properties of resulting structure constituted be crystalline grains in amorphous matrix. The structure transformation from amorphous state was investigated by selected techniques of thermal analysis and the resulting phase and morphology of crystalline products were analyzed.

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