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Journal articles on the topic 'Piezoelectric Zinc Oxide Thin Films'

Author: Grafiati

Published: 4 June 2021

Last updated: 6 September 2023

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1

Sidek, Fatini, Anis Nurashikin Nordin, and Raihan Othman. "Optimization of Zinc Oxide Thin Films for Silicon Surface Acoustic Wave Resonator Applications." Advanced Materials Research 518-523 (May 2012): 3772–79. http://dx.doi.org/10.4028/www.scientific.net/amr.518-523.3772.

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High quality ZnO thin films are required to produce CMOS SAW resonators operating with low losses and high Q. This work intends to develop high performance CMOS SAW resonators through optimization of both the quality of the ZnO and the design of the SAW resonator. Zinc oxide was chosen for this work as the piezoelectric material due to its superior acoustic propagation properties and compatibility with integrated circuit fabrication techniques. ZnO has demonstrated good performance characteristics for a variety of piezoelectric devices. For optimization of the quality of the deposited ZnO thin

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Kräuter, Marianne, Taher Abu Ali, Barbara Stadlober, Roland Resel, Katrin Unger, and Anna Maria Coclite. "Tuning the Porosity of Piezoelectric Zinc Oxide Thin Films Obtained from Molecular Layer-Deposited “Zincones”." Materials 15, no. 19 (2022): 6786. http://dx.doi.org/10.3390/ma15196786.

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Porous zinc oxide (ZnO) thin films were synthesized via the calcination of molecular layer-deposited (MLD) “zincone” layers. The effect of the MLD process temperature (110 °C, 125 °C) and of the calcination temperature (340 °C, 400 °C, 500 °C) on the chemical, morphological, and crystallographic properties of the resulting ZnO was thoroughly investigated. Spectroscopic ellipsometry reveals that the thickness of the calcinated layers depends on the MLD temperature, resulting in 38–43% and 52–56% of remaining thickness for the 110 °C and 125 °C samples, respectively. Ellipsometric porosimetry sh

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Abinaya, M., K. M. Dhanisha, M. Manoj Cristopher, P. Deepak Raj, K. Jeyadheepan, and M. Sridharan. "Reactive DC Magnetron Sputtered ZnO Thin Films for Piezoelectric Application." International Journal of Nanoscience 17, no. 03 (2018): 1760047. http://dx.doi.org/10.1142/s0219581x1760047x.

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Zinc oxide (ZnO) films have been sputter coated over glass substrates at different cathode powers. Influence of cathode power on physical characteristics of ZnO samples was analyzed using X-ray diffractometer (XRD), field emission-scanning electron microscopy (FE-SEM), UV-Visible spectrophotometer and four-point probe (FPP) method. XRD patterns exhibited [Formula: see text]-axis-oriented ZnO and enhanced crystallinity with increase in cathode power due to the increase in adatom mobility. Uniformly arranged spherical grains were observed from FE-SEM images. The grain size increased from 25 to 4

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4

Saito, Eduardo, E. F. Antunes, Matheus Pianassola, et al. "Electrodeposition of Zinc Oxide on Graphene Tips Electrochemically Exfoliated and O₂-Plasma Treated." Advanced Materials Research 975 (July 2014): 179–83. http://dx.doi.org/10.4028/www.scientific.net/amr.975.179.

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Zinc oxide (ZnO) presents several applications as piezoelectric transducers, photosensors, solar cells, electrochemical sensors, etc. Electrodeposition of zinc oxide (ZnO) thin films from aqueous solution of zinc nitrate has been deposited in graphenated low cost pencil graphite. The electrochemical graphene production at the tips was performed in a low cost DC source using concentrated sulfonitric solution. The tips were expanded in hydrogen plasma and treated by oxygen plasma to enhance its hydrophilicity. The posterior ZnO electrodeposition was highly efficient and the graphene functionaliz

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Sharma, Pallavi, Zeynel Guler, and Nathan Jackson. "Development and characterization of confocal sputtered piezoelectric zinc oxide thin film." Vacuum 184 (February 2021): 109930. http://dx.doi.org/10.1016/j.vacuum.2020.109930.

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6

Laurenti, M., S. Stassi, M. Lorenzoni, et al. "Evaluation of the piezoelectric properties and voltage generation of flexible zinc oxide thin films." Nanotechnology 26, no. 21 (2015): 215704. http://dx.doi.org/10.1088/0957-4484/26/21/215704.

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7

Abu Ali, Taher, Julian Pilz, Philipp Schäffner, et al. "Piezoelectric Properties of Zinc Oxide Thin Films Grown by Plasma‐Enhanced Atomic Layer Deposition." physica status solidi (a) 217, no. 21 (2020): 2000319. http://dx.doi.org/10.1002/pssa.202000319.

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8

Srivastava, Vinay Kumar, Jaspreet Singh, Parlad Kumar, Sataypal Singh Arora, Satinder Pal Singh, and Surinder Singh. "A comparative study of structural, mechanical & electrical properties of ZnO and AlN thin films for MEMS based piezoelectric sensors." Materials Research Express 9, no. 2 (2022): 026402. http://dx.doi.org/10.1088/2053-1591/ac4341.

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Abstract In this work, a comparative study has been carried out to compare the relative performance of ZnO (Zinc Oxide) and AlN (Aluminum Nitride) thin films for their application in piezoelectric sensors. The thin films material properties are being characterized using various material characterization techniques such as SEM, XRD, and Nanoindentation. Further the MIM (Metal-Insulator-Metal) based devices have been fabricated with piezoelectric films sandwiched between Al electrodes. The devices have been evaluated for mechanical and electrical performances. The natural frequency of the device

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Li, Wei, Yunqi Cao, and Nelson Sepúlveda. "Thin Film Piezoelectric Nanogenerator Based on (100)-Oriented Nanocrystalline AlN Grown by Pulsed Laser Deposition at Room Temperature." Micromachines 14, no. 1 (2022): 99. http://dx.doi.org/10.3390/mi14010099.

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In wearable or implantable biomedical devices that typically rely on battery power for diagnostics or operation, the development of flexible piezoelectric nanogenerators (NGs) that enable mechanical-to-electrical energy harvesting is finding promising applications. Here, we present the construction of a flexible piezoelectric nanogenerator using a thin film of room temperature deposited nanocrystalline aluminium nitride (AlN). On a thin layer of aluminium (Al), the AlN thin film was grown using pulsed laser deposition (PLD). The room temperature grown AlN film was composed of crystalline colum

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TAHIR, MUHAMMAD BILAL, HASNAIN JAVAD, KHALID NADEEM, and A. MAJID. "ZnO THIN FILMS: RECENT DEVELOPMENT, FUTURE PERSPECTIVES AND APPLICATIONS FOR DYE SENSITIZED SOLAR CELL." Surface Review and Letters 25, no. 07 (2018): 1930001. http://dx.doi.org/10.1142/s0218625x19300016.

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Dye sensitized solar cells (DSSCs) provide promisingly, organic–inorganic, clean hybrid, cost effective and efficient molecular solar cell devices. Due to their distinct and multifunctional qualities, zinc oxide (ZnO) nanostructures are promising materials used to create photoanodes for DSSCs due to the availability of larger surface area than bulk sheet substance, effectual light-dispersing centers, and when mixed with titanium dioxide they produce a core–shell formation that diminishes the coalition rate and provide direct charge. Moreover, ZnO thin sheets have been broadly observed due of i

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Zhang, Yuxia, Yanghui Jiang, Chi Ma, Jun Zhang, and Bing Yang. "Preparation of ZnO Piezoelectric Thin-Film Material for Ultrasonic Transducers Applied in Bolt Stress Measurement." Coatings 13, no. 9 (2023): 1538. http://dx.doi.org/10.3390/coatings13091538.

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The measurement of bolt preload by using ultrasound can be accurate, convenient, and can realize the real-time monitoring of the change in the residual axial stress of a bolt during use. In order to realize the ultrasonic measurement of bolt preload, the use of zinc oxide (ZnO) piezoelectric thin-film material as an ultrasonic transducer material to stimulate an ultrasonic signal on the bolt is a feasible solution. In this paper, we choose to use RF magnetron sputtering technology to prepare ZnO piezoelectric thin-film materials and study the effects of sputtering power and target substrate di

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12

Paraguay D., F., M. Miki-Yoshida, and F. Espinosa-Magaña. "EELS Studies of ZnO and ZnO:In Films Deposited By Spray Pyrolysis." Microscopy and Microanalysis 7, S2 (2001): 1224–25. http://dx.doi.org/10.1017/s1431927600032190.

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Zinc oxide based coatings are of much interest in science and technology due to their interesting applications, such as in gas sensor devices, transparent electrodes, piezoelectric devices, varistor ,surface acoustic-wave devices ,etc. Thin films of ZnO also have some advantages over indium tin oxide (ITO) and tin oxide, which are usually used as transparent conductors, the former are chemically stable to a hydrogen plasma such as that used in the elaboration of solar cells. Many techniques have been employed to produce zinc oxide based coatings e.g. radio frequency magnetron, spray pyrolysis,

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13

Gartner, Mariuca, Hermine Stroescu, Daiana Mitrea, and Madalina Nicolescu. "Various Applications of ZnO Thin Films Obtained by Chemical Routes in the Last Decade." Molecules 28, no. 12 (2023): 4674. http://dx.doi.org/10.3390/molecules28124674.

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This review addresses the importance of Zn for obtaining multifunctional materials with interesting properties by following certain preparation strategies: choosing the appropriate synthesis route, doping and co-doping of ZnO films to achieve conductive oxide materials with p- or n-type conductivity, and finally adding polymers in the oxide systems for piezoelectricity enhancement. We mainly followed the results of studies of the last ten years through chemical routes, especially by sol-gel and hydrothermal synthesis. Zinc is an essential element that has a special importance for developing mu

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14

Abdallah, Bassam, Walaa Zetoun, and Karam Masloub. "Study of Zinc Oxide Films Growth on Aluminum Nitride and Silicon Substrates: Structural, Optical and Electrical Properties." Solid State Phenomena 345 (July 28, 2023): 109–21. http://dx.doi.org/10.4028/p-eix5yn.

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ZnO films were deposited by magnetron sputtering using RF power supply, in order to study the effect of substrates on quality of the prepared films. Then, growth of the ZnO films on thin AlN buffer layer and Si(100) substrates were characterized using different techniques. The surface morphology was investigated by means of scanning electron microscopy (SEM) and high resolution transmission electron microscopy (HRTEM). The structural properties were investigated via X-ray diffraction (XRD) patterns, Rocking Curve as well as Pole figures. The ZnO films were textured and they had preferred orien

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Deschanvres, J. L., P. Rey, G. Delabouglise, M. Labeau, J. C. Joubert, and J. C. Peuzin. "Characterization of piezoelectric properties of zinc oxide thin films deposited on silicon for sensors applications." Sensors and Actuators A: Physical 33, no. 1-2 (1992): 43–45. http://dx.doi.org/10.1016/0924-4247(92)80223-p.

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16

Li, Yongkuan, Xinxing Liu, Dan Wen, et al. "Growth of c-plane and m-plane aluminium-doped zinc oxide thin films: epitaxy on flexible substrates with cubic-structure seeds." Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials 76, no. 2 (2020): 233–40. http://dx.doi.org/10.1107/s2052520620002668.

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Manufacturing high-quality zinc oxide (ZnO) devices demands control of the orientation of ZnO materials due to the spontaneous and piezoelectric polarity perpendicular to the c-plane. However, flexible electronic and optoelectronic devices are mostly built on polymers or glass substrates which lack suitable epitaxy seeds for the orientation control. Applying cubic-structure seeds, it was possible to fabricate polar c-plane and nonpolar m-plane aluminium-doped zinc oxide (AZO) films epitaxially on flexible Hastelloy substrates through minimizing the lattice mismatch. The growth is predicted of

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17

Sutjipto, Agus Geter Edy, Yit Pei Shian, Ali Shaitir, Mohamad Ashry Jusoh, and Ari Legowo. "Ambient Energy Harvesting of Piezoelectric ZnO Thin Film Dependence of Spin Speed and Annealing Temperature." Materials Science Forum 981 (March 2020): 51–58. http://dx.doi.org/10.4028/www.scientific.net/msf.981.51.

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This research deals with ambient energy harvesting by using zinc oxide thin film. The objectives of this thesis are to prove the ZnO film as a piezoelectric material can produce electric when vibration is applied and determine its optimal voltage. The thesis describes the sol gel spin coating technique to fabricate zinc oxide thin film. Zinc acetate dehydrate, absolute ethanol and diethanolamine were used in this thesis to act as sol gel precursor. Sol gel was coated on glass slide which wrapped by aluminum foil. The thin film was formed after preheating and annealing. The thin film was charac

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18

Amakali, Theopolina, Likius S. Daniel, Veikko Uahengo, Nelson Y. Dzade, and Nora H. de Leeuw. "Structural and Optical Properties of ZnO Thin Films Prepared by Molecular Precursor and Sol–Gel Methods." Crystals 10, no. 2 (2020): 132. http://dx.doi.org/10.3390/cryst10020132.

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Zinc oxide (ZnO) is a versatile and inexpensive semiconductor with a wide direct band gap that has applicability in several scientific and technological fields. In this work, we report the synthesis of ZnO thin films via two simple and low-cost synthesis routes, i.e., the molecular precursor method (MPM) and the sol–gel method, which were deposited successfully on microscope glass substrates. The films were characterized for their structural and optical properties. X-ray diffraction (XRD) characterization showed that the ZnO films were highly c-axis (0 0 2) oriented, which is of interest for p

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19

Kamardin, Ili Liyana Khairunnisa, and Ainun Rahmahwati Ainuddin. "Studies on Effect of Zinc Oxide (ZnO) Nanostructures Morphology by Modification of Sol-Gel Solution." Advanced Materials Research 1125 (October 2015): 106–10. http://dx.doi.org/10.4028/www.scientific.net/amr.1125.106.

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Zinc Oxide (ZnO) known as wide band gap semiconductor with large excitation energy 60 meV, noncentral symmetry, piezoelectric and biocompatible for biomedical application are the unique characteristic that attract many researcher’s attention on ZnO nanostructure synthesis and physical properties. ZnO thin films were deposited on Si Glass substrate by a sol-gel process. The starting solution were prepare by dissolved zinc acetate dehydrate (ZnAc) and diethanolamine (DEA) in water (H2O) and 2-propanol (2-PrOH). 0 to 60 drops of NaOH were dropped into 100 ml sol-gel solution to study effect of so

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20

Li, Yongkuan, Jincong Feng, Jintong Zhang, et al. "Towards high-performance linear piezoelectrics: Enhancing the piezoelectric response of zinc oxide thin films through epitaxial growth on flexible substrates." Applied Surface Science 556 (August 2021): 149798. http://dx.doi.org/10.1016/j.apsusc.2021.149798.

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21

Jeronimo, Karina, Vasileios Koutsos, Rebecca Cheung, and Enrico Mastropaolo. "PDMS-ZnO Piezoelectric Nanocomposites for Pressure Sensors." Sensors 21, no. 17 (2021): 5873. http://dx.doi.org/10.3390/s21175873.

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The addition of piezoelectric zinc oxide (ZnO) fillers into a flexible polymer matrix has emerged as potential piezocomposite materials that can be used for applications such as energy harvesters and pressure sensors. A simple approach for the fabrication of PDMS-ZnO piezoelectric nanocomposites based on two ZnO fillers: nanoparticles (NP) and nanoflowers (NF) is presented in this paper. The effect of the ZnO fillers’ geometry and size on the thermal, mechanical and piezoelectric properties is discussed. The sensors were fabricated in a sandwich-like structure using aluminium (Al) thin films a

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22

Mariotti, Giulia, and Lorenzo Vannozzi. "Fabrication, Characterization, and Properties of Poly (Ethylene-Co-Vinyl Acetate) Composite Thin Films Doped with Piezoelectric Nanofillers." Nanomaterials 9, no. 8 (2019): 1182. http://dx.doi.org/10.3390/nano9081182.

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Ethylene vinyl acetate (EVA) is a copolymer comprehending the semi-crystalline polyethylene and amorphous vinyl acetate phases, which potentially allow the fabrication of tunable materials. This paper aims at describing the fabrication and characterization of nanocomposite thin films made of polyethylene vinyl acetate, at different polymer concentration and vinyl acetate content, doped with piezoelectric nanomaterials, namely zinc oxide and barium titanate. These membranes are prepared by solvent casting, achieving a thickness in the order of 100–200 µm. The nanocomposites are characterized in

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23

Chang, Yu-Chen, Ying-Chung Chen, Bing-Rui Li, et al. "Effects of Thermal Annealing on the Characteristics of High Frequency FBAR Devices." Coatings 11, no. 4 (2021): 397. http://dx.doi.org/10.3390/coatings11040397.

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In this study, piezoelectric zinc oxide (ZnO) thin film was deposited on the Pt/Ti/SiNx/Si substrate to construct the FBAR device. The Pt/Ti multilayers were deposited on SiNx/Si as the bottom electrode and the Al thin film was deposited on the ZnO piezoelectric layer as the top electrode by a DC sputtering system. The ZnO thin film was deposited onto the Pt thin film by a radio frequency (RF) magnetron sputtering system. The cavity on back side for acoustic reflection of the FBAR device was achieved by KOH solution and reactive ion etching (RIE) processes. The crystalline structures and surfa

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Rathod, Somsing, Atul Vir Singh, Sudhir Chandra, and Shiban K. Koul. "Design, Fabrication and Characterization of ZnO Based Thin Film Bulk Acoustic Resonators." Advanced Materials Research 254 (May 2011): 144–47. http://dx.doi.org/10.4028/www.scientific.net/amr.254.144.

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In the present work we report design, simulation, fabrication and characterization of thin film bulk acoustic resonator (FBAR). The FBAR has been modeled as a single port device with two terminals. The FBAR has been fabricated using Si-SiO2-Al–ZnO-Al structure. Zinc Oxide (ZnO) films were deposited by RF magnetron sputtering using Ceramic ZnO target in Ar-O2(1:1) ambient without external substrate heating. The XRD result confirms the preferred C-axis orientation of the films required for good piezoelectric properties. These ZnO films have been used to fabricate air gap type resonator. A four m

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Cheng, Chien Chuan, Re Ching Lin, Wei Tsai Chang, Ying Chung Chen, Kuo Sheng Kao, and Sin Liang Ou. "Shear Mode ZnO Thin Film Applied in FBAR Sensor." Advanced Materials Research 201-203 (February 2011): 718–21. http://dx.doi.org/10.4028/www.scientific.net/amr.201-203.718.

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In this study, platinum (Pt) and zinc oxide (ZnO) had been adopted as electrode and piezoelectric layer of an FBAR sensor. Based on the off-axis deposition of the ZnO film, longitude and shear modes resonance phenomenon can be approached to sensitive in air and liquid respectively. The preferred orientation and crystal properties of the ZnO film were evaluated by X-ray diffraction (XRD) using a SHIMADZU XRD-6000 with Cu Kαradiation. The crosssections of the grain structures of ZnO films were observed by scanning electron microscopy (SEM) (Philips XL40 FESEM). The electrical resistance of the b

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26

Chandra, Sudhir, and Atul Vir Singh. "Preparation and Characterization of Piezoelectric Films of ZnO and AlN by RF Sputtering for RF MEMS Applications." Key Engineering Materials 500 (January 2012): 84–89. http://dx.doi.org/10.4028/www.scientific.net/kem.500.84.

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In present work, we report preparation and characterization of piezoelectric films of zinc oxide (ZnO) and aluminum nitride (AlN) by RF magnetron sputtering using respective ceramic targets. The effect of ambient gas, substrate temperature, RF power and sputtering pressure has been studied to get highly c-axis oriented films for potential applications in micro-electromechanical systems. The films were characterized by X-ray diffraction technique to identify the crystallographic orientation. It was observed that the film deposited in pure Argon (Ar) ambient were amorphous or weekly crystallized

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Yuan, Yan Hui, He Jun Du, Xin Xia, and Yoke Rung Wong. "Modeling, Fabrication and Characterization of Piezoelectric ZnO-Based Micro-Sensors and Micro-Actuators." Applied Mechanics and Materials 444-445 (October 2013): 1636–43. http://dx.doi.org/10.4028/www.scientific.net/amm.444-445.1636.

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In this study, capabilities of zinc oxide (ZnO) thin films in sensing and actuating were investigated using micromachined micro-cantilevers. A heterogeneous piezoelectric cantilever was modeled to study its response under voltage and/or external mechanical loading. A ZnO thin-film micro-cantilever was designed based on the developed theoretical model. Simulated tip deflections of the micro-cantilever were on the nanometer level under typical electrical and mechanical input. A prototype was fabricated with microfabrication techniques. The ZnO thin film was sputtered at room temperature and demo

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28

Hantova, Kamila, and Jiri Houska. "Molecular dynamics study of the growth of ZnO_x films." Journal of Applied Physics 132, no. 18 (2022): 185304. http://dx.doi.org/10.1063/5.0106856.

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Crystalline zinc oxide thin films are important due to a combination of optical transparency, electrical conductivity, and piezoelectric and pyroelectric properties. These functional properties are improved with increasing perfection of the crystalline structure. In this paper, classical molecular dynamics with a reactive force field was used to simulate the atom-by-atom growth of ZnO x films on a crystalline template. Contrary to previous modeling studies, the effect of a wide range of process parameters (elemental ratio x, kinetic energy of arriving atoms, and fraction of fast atoms in the p

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29

Islam, Md Jahirul, Hyeji Lee, Kihak Lee, Chanseob Cho, and Bonghwan Kim. "Piezoelectric Nanogenerators Fabricated Using Spin Coating of Poly(vinylidene fluoride) and ZnO Composite." Nanomaterials 13, no. 7 (2023): 1289. http://dx.doi.org/10.3390/nano13071289.

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In this context, the open-circuit voltage generated by either poly (vinylidene fluoride) or PVDF and ZnO composite sample before being enhanced to 4.2 V compared to 1.2 V for the samples of pure PVDF. The spin coating method was used to create a composite film, which served as a piezoelectric nanogenerator (PNG). Zinc oxide (ZnO) nanoparticles and PVDF serve as the matrix for the coating structure. Thin films were created that employed the spin coating method to achieve the desired results of ZnO’s non-brittle outcome and piezoelectric characteristics, as well as PVDF for use in self-powered d

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Garcia, Andrés Jenaro Lopez, Giuliano Sico, Maria Montanino, et al. "Low-Temperature Growth of ZnO Nanowires from Gravure-Printed ZnO Nanoparticle Seed Layers for Flexible Piezoelectric Devices." Nanomaterials 11, no. 6 (2021): 1430. http://dx.doi.org/10.3390/nano11061430.

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Zinc oxide (ZnO) nanowires (NWs) are excellent candidates for the fabrication of energy harvesters, mechanical sensors, and piezotronic and piezophototronic devices. In order to integrate ZnO NWs into flexible devices, low-temperature fabrication methods are required that do not damage the plastic substrate. To date, the deposition of patterned ceramic thin films on flexible substrates is a difficult task to perform under vacuum-free conditions. Printing methods to deposit functional thin films offer many advantages, such as a low cost, low temperature, high throughput, and patterning at the s

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Prokhorov, Evgen, Gabriel Luna-Bárcenas, José Martín Yáñez Limón, Alejandro Gómez Sánchez, and Yuriy Kovalenko. "Chitosan-ZnO Nanocomposites Assessed by Dielectric, Mechanical, and Piezoelectric Properties." Polymers 12, no. 9 (2020): 1991. http://dx.doi.org/10.3390/polym12091991.

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The aim of this work is to structurally characterize chitosan-zinc oxide nanoparticles (CS-ZnO NPs) films in a wide range of NPs concentration (0–20 wt.%). Dielectric, conductivity, mechanical, and piezoelectric properties are assessed by using thermogravimetry, FTIR, XRD, mechanical, and dielectric spectroscopy measurements. These analyses reveal that the dielectric constant, Young’s modulus, and piezoelectric constant (d33) exhibit a strong dependence on nanoparticle concentration such that maximum values of referred properties are obtained at 15 wt.% of ZnO NPs. The piezoelectric coefficien

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Kim, Yun Hae, Jin Woo Lee, Riichi Murakami, Dong Myung Lee, Jin Cheol Ha, and Pang Pang Wang. "Effect of Atmosphere Temperature on Physical Properties of ZnO/Ag/ZnO on PET Films." Advanced Materials Research 988 (July 2014): 125–29. http://dx.doi.org/10.4028/www.scientific.net/amr.988.125.

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Transparent conductive layers on flexible substrates are important components of today’s optoelectronic technology. They are used in filters for plasma displays, low-e windows, solar cells, etc. At present, in-doped indium oxide (ITO) layers on PET substrate is the predominant transparent conducting oxide film in diverse practical applications. However, ITO is a relatively expensive material because indium is not abundant, but aluminum-doped zinc oxide (AZO) film is emerging as an alternative potential candidate to ITO thin film due to its abundance as a raw material, nontoxic nature, cost-eff

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33

Vladut, Cristina Maria, Susana Mihaiu, Ecaterina Tenea, et al. "Optical and Piezoelectric Properties of Mn-Doped ZnO Films Deposited by Sol-Gel and Hydrothermal Methods." Journal of Nanomaterials 2019 (February 10, 2019): 1–12. http://dx.doi.org/10.1155/2019/6269145.

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Nowadays, multifunctional materials are of high interest due to their ability to be used in different applications by controlling one or two parameters (e.g., morphology and/or dopant). Zinc oxide is an intensive-studied material because of its large usability. Recently, we have shown that the conduction, transparency, and charge carrier concentration of ZnO can be controlled by changing the dopants, leading to promising materials as transparent conductive oxide films. In this work, sol-gel (SG) and hydrothermal (HT) methods were used separately or in combination in order to obtain ZnO films d

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Gao, Wei, Yu Zhang, Binghe Ma, Jian Luo, and Jinjun Deng. "Fabrication and calibration of nanostructured vanadium-doped ZnO-based micromachined sensor with superior sensitive for underwater acoustic measurement." Journal of Micromechanics and Microengineering 32, no. 1 (2021): 015005. http://dx.doi.org/10.1088/1361-6439/ac3b8c.

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Abstract A high-performance micromachined piezoelectric sensor based nanostructured vanadium-doped zinc oxide (ZnO) film with air-backing has been developed and characterized for underwater acoustic application. The sensing cell with a low foot-print of 2.0 mm × 2.0 mm is fabricated by Micro electro mechanical systems (MEMS) technology using a ZnO-on-silicon-on-insulator process platform. An optimal ratio of piezoelectric coefficient to the relative permittivity is obtained about 6.3 in the Zn0.98V0.02O sensing cell, improving by an order of magnitude compared with other notable piezoelectric

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ZHANG, YUE, XUE-CHUAN ZHANG, and SHU-BING WANG. "PREPARATION OF 1-3 CONNECTIVITY COMPOSITE FILMS OF WELL-ALIGNED ZnO WHISKER ARRAYS WITH AN ORGANIC RESIN." International Journal of Modern Physics B 20, no. 25n27 (2006): 3658–62. http://dx.doi.org/10.1142/s0217979206040155.

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Zinc oxide whisker arrays well-aligned along [0001] direction have been grown on the substrates of glass and single crystal silicon by atmospheric metal organic chemical vapor deposition method (MOCVD). The SEM observation indicated that the whiskers were quite uniform in length and diameter. The whisker arrays were very dense, and the gap among the whiskers was less than 1 μm. The array materials were proposed as the component to prepare 1-3 piezoelectric composite film in-situ. Epoxy resin was used as the matrix materials. The key points to prepare the composites are how to make the resin en

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Nikulina, A. V., and T. A. Kuchmenko. "Sorption properties of modifiers of piezoquartz resonators based on 3d-elements." Proceedings of the Voronezh State University of Engineering Technologies 81, no. 2 (2019): 268–72. http://dx.doi.org/10.20914/2310-1202-2019-2-268-272.

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Transition metals are complexing substances, that is why being incorporated into the sensor modifiers, they can improve detection discrimination. The method of piezoelectric microweighting was used to study the sorption characteristics of the films based on partially soluble phosphates of 3d-elements (manganese (II), iron (II and III), nickel, copper, zinc, chromium) and coatings bearing partially soluble ferrous salts (hydrated oxide, fluoride, carbonate, sulfide, phosphate). The salts were created immediately prior to analysis, with bee glue as a filming agent. The method of immersion sensor

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Schaper, Nicholas, Dheyaa Alameri, Yoosuk Kim, et al. "Controlled Fabrication of Quality ZnO NWs/CNTs and ZnO NWs/Gr Heterostructures via Direct Two-Step CVD Method." Nanomaterials 11, no. 7 (2021): 1836. http://dx.doi.org/10.3390/nano11071836.

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A novel and advanced approach of growing zinc oxide nanowires (ZnO NWs) directly on single-walled carbon nanotubes (SWCNTs) and graphene (Gr) surfaces has been demonstrated through the successful formation of 1D–1D and 1D–2D heterostructure interfaces. The direct two-step chemical vapor deposition (CVD) method was utilized to ensure high-quality materials’ synthesis and scalable production of different architectures. Iron-based universal compound molecular ink was used as a catalyst in both processes (a) to form a monolayer of horizontally defined networks of SWCNTs interfaced with vertically

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Caliendo, Cinzia, Massimiliano Benetti, Domenico Cannatà, et al. "UV Sensor Based on Surface Acoustic Waves in ZnO/Fused Silica." Sensors 23, no. 9 (2023): 4197. http://dx.doi.org/10.3390/s23094197.

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Zinc oxide (ZnO) thin films have been grown by radio frequency sputtering technique on fused silica substrates. Optical and morphological characteristics of as-grown ZnO samples were measured by various techniques; an X-ray diffraction spectrum showed that the films exhibited hexagonal wurtzite structure and were c-axis-oriented normal to the substrate surface. Scanning electron microscopy images showed the dense columnar structure of the ZnO layers, and light absorption measurements allowed us to estimate the penetration depth of the optical radiation in the 200 to 480 nm wavelength range and

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Li, Z. W., W. Gao, and Roger J. Reeves. "Zinc oxide films by thermal oxidation of zinc thin films." Surface and Coatings Technology 198, no. 1-3 (2005): 319–23. http://dx.doi.org/10.1016/j.surfcoat.2004.10.111.

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Serra-Torrent, Albert, Pattabiraman Deepak Raj, Llibertad Abad, Aitor Lopeandia-Fernandez, Javier Rodriguez-Viejo, and Madanagurusamy Sridharan. "Vanadium-doped zinc oxide films for piezoelectric application." Nanomaterials and Energy 4, no. 2 (2015): 109–17. http://dx.doi.org/10.1680/jnaen.15.00023.

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Serra-Torrent, Albert, M. Sridharan, Aitor Lopeandia-Fernandez, Javier Rodriguez-Viejo, P. Deepak Raj, and Llibertad Abad. "Vanadium-doped zinc oxide films for piezoelectric application." Nanomaterials and Energy 4, July–December (2015): 1–24. http://dx.doi.org/10.1680/nme.15.00023.

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Gaspar, D., L. Pereira, K. Gehrke, B. Galler, E. Fortunato, and R. Martins. "High mobility hydrogenated zinc oxide thin films." Solar Energy Materials and Solar Cells 163 (April 2017): 255–62. http://dx.doi.org/10.1016/j.solmat.2017.01.030.

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Bouznit, Y., Y. Beggah, and F. Ynineb. "Sprayed lanthanum doped zinc oxide thin films." Applied Surface Science 258, no. 7 (2012): 2967–71. http://dx.doi.org/10.1016/j.apsusc.2011.11.019.

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Hsu, Yu-Hsiang, John Lin, and William C. Tang. "RF sputtered piezoelectric zinc oxide thin film for transducer applications." Journal of Materials Science: Materials in Electronics 19, no. 7 (2007): 653–61. http://dx.doi.org/10.1007/s10854-007-9415-1.

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Alivov, Ya I., A. V. Chernykh, M. V. Chukichev, and R. Y. Korotkov. "Thin polycrystalline zinc oxide films obtained by oxidation of metallic zinc films." Thin Solid Films 473, no. 2 (2005): 241–46. http://dx.doi.org/10.1016/j.tsf.2004.07.068.

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Matsumoto, Kenji, Yutaka Adachi, Takeshi Ohgaki, et al. "Zinc Self-Diffusion in Isotopic Heterostructured Zinc Oxide Thin Films." Key Engineering Materials 421-422 (December 2009): 193–96. http://dx.doi.org/10.4028/www.scientific.net/kem.421-422.193.

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Zinc isotopic heterostructured zinc oxide thin films of 64ZnO/68ZnO/64ZnO were synthesized using pulsed laser deposition. The pulsed laser was first irradiated onto a polycrystalline target of 64ZnO to deposit the 64ZnO layer, then onto the 68ZnO target to prepare the 68ZnO layer and finally, the 64ZnO target was used again. The 64ZnO/68ZnO/64ZnO layered thin film was thus obtained. The thin films were annealed at various diffusion annealing temperatures. Diffusion profiles of the zinc isotopes due to the annealing were evaluated using secondary ion mass spectrometry (SIMS). The diffusion coef

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Liu, Huajun, Haijun Wu, Khuong Phuong Ong, et al. "Giant piezoelectricity in oxide thin films with nanopillar structure." Science 369, no. 6501 (2020): 292–97. http://dx.doi.org/10.1126/science.abb3209.

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High-performance piezoelectric materials are critical components for electromechanical sensors and actuators. For more than 60 years, the main strategy for obtaining large piezoelectric response has been to construct multiphase boundaries, where nanoscale domains with local structural and polar heterogeneity are formed, by tuning complex chemical compositions. We used a different strategy to emulate such local heterogeneity by forming nanopillar regions in perovskite oxide thin films. We obtained a giant effective piezoelectric coefficient d33,f* of ~1098 picometers per volt with a high Curie

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Elimat, Z. M. "Optical characterization of poly (ethylene oxide)/zinc oxide thin films." Radiation Effects and Defects in Solids 169, no. 8 (2014): 686–95. http://dx.doi.org/10.1080/10420150.2014.931402.

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Ondo-Ndong, R., H. Essone-Obame, and N. Koumba. "Electrical Performance of Zinc Oxide Thin Films Transistors." Journal of Nano- and Electronic Physics 9, no. 6 (2017): 06002–1. http://dx.doi.org/10.21272/jnep.9(6).06002.

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Skvortsova, V., M. Zubkins, R. Kalendarev, H. Arslan, and J. Purans. "Optical properties of zinc-iridium oxide thin films." IOP Conference Series: Materials Science and Engineering 503 (March 25, 2019): 012016. http://dx.doi.org/10.1088/1757-899x/503/1/012016.

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