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Relevant bibliographies by topics / Tungsten Doped Vanadium Dioxide

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Academic literature on the topic 'Tungsten Doped Vanadium Dioxide'

Author: Grafiati

Published: 4 June 2021

Last updated: 9 February 2022

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Journal articles on the topic "Tungsten Doped Vanadium Dioxide"

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Liu, Lingna, Yi Hou, Xiuzhao Yin, Fang Zhang, and Zifei Peng. "Preparation and investigation of co-doped VO2 powders." Functional Materials Letters 12, no. 02 (2019): 1950015. http://dx.doi.org/10.1142/s1793604719500152.

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In this paper, tungsten-and molybdenum-doped vanadium dioxide (VO[Formula: see text] powders were prepared by hydrothermal reaction using vanadium pentoxide (V2O[Formula: see text], H2O2, white tungstic acid (WPTA) and sodium molybdate (Na2MoO[Formula: see text] as raw materials. The microstructure and composition of VO2 powders were characterized by means of XRD, XPS, DSC and FT-IR. We made a preliminary study on the thermal-induced phase transition properties of powders. The experimental results show that the co-doped samples are monoclinic rutile. Tungsten and molybdenum atoms exist in the

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Song, Qiang, Weitao Gong, Guiling Ning, et al. "A synergic effect of sodium on the phase transition of tungsten-doped vanadium dioxide." Phys. Chem. Chem. Phys. 16, no. 19 (2014): 8783–86. http://dx.doi.org/10.1039/c4cp00366g.

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Shin, Eunsung, KuanChang Pan, Weisong Wang, et al. "Tungsten-doped vanadium dioxide thin film based tunable antenna." Materials Research Bulletin 101 (May 2018): 287–90. http://dx.doi.org/10.1016/j.materresbull.2018.02.007.

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Peng, Zifei, Wei Jiang, and Heng Liu. "Structural Phase Transition of Tungsten-Doped Vanadium Dioxide Nanopowders Prepared by Thermolysis." Journal of Nanoscience and Nanotechnology 8, no. 3 (2008): 1417–21. http://dx.doi.org/10.1166/jnn.2008.18207.

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Tungsten-doped vanadium dioxide (VO2) nanopowders were prepared by thermolysis of (NH4)5[(VO)6(CO3)4(OH)9] · 10H2O at low temperature, with active white powdery tungstic acid used as a substitutional dopant. The composition and microstructure of the powders were examined by X-ray diffraction, transmission electron microscope, and differential scanning calorimetry. The change in electrical resistance due to the S–M transition was measured from 0 to 150 °C by the four-probe method. Hysteresis loops and differential scanning calorimetry analysis of the samples indicated that the phase-transition

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Liu, Chang, Mei Ping Jiang, Jin Hua Li, and Sa Ke Wang. "Stability of the Vanadium Oxide Films Forme by Reactive Sputtering and Ion Beam Enhanced Deposition Methods." Advanced Materials Research 399-401 (November 2011): 589–92. http://dx.doi.org/10.4028/www.scientific.net/amr.399-401.589.

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Vanadium oxide film is a common sensing film for infrared detector and uncooled infrared imaging devices, its stability directly affects the use of the thetse infrared devices.In this paper, high and low temperature cycles fatigue tests was used to check and compare the stability of the vanadium oxide films formed by different methods.The change of the temperature coefficient of resistance(TCR) and the room temperature resistance were measured and compared for the vanadium oxide film prepared by reactive sputtering and vanadium dioxide films by Ion Beam Enhanced Deposition(IBED) method. The re

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Qi, Ji, Bin Zhao, Naisen Yu, Chen Niu, and Guan Gran Sun. "Preparation of Tungsten-Doped VO₂ (M) Nanoparticles through Sol-Gel Method and Hydrothermal Synthesis." Advanced Materials Research 881-883 (January 2014): 960–63. http://dx.doi.org/10.4028/www.scientific.net/amr.881-883.960.

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A new process was developed for synthesizing tungsten-doped vanadium dioxide VO2(M) from ammonium metavanadate. The process includes obtaining V2O5by pyrolysing NH4VO3, doping tungsten in V2O5by sol-gel method, and reducing V2O5to VO2(M) with hydrazine by hydrothermal method. X-ray diffraction (XRD), scanning electron microscopy (SEM) and differential scanning calorimetry (DSC) were applied to characterizing the product. The experimental results indicated that tungsten doped VO2(M) nanoparticles were successfully synthesized. The product VO2(M) presents mainly rod-like and block-like morpholog

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Wang, Xue-Jin, Yu-Ying Liu, De-Hua Li, Bao-Hua Feng, Zhi-Wei He, and Zheng Qi. "Structural and optical properties of tungsten-doped vanadium dioxide films." Chinese Physics B 22, no. 6 (2013): 066803. http://dx.doi.org/10.1088/1674-1056/22/6/066803.

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Shi, Jianqiu, Shuxue Zhou, Bo You, and Limin Wu. "Preparation and thermochromic property of tungsten-doped vanadium dioxide particles." Solar Energy Materials and Solar Cells 91, no. 19 (2007): 1856–62. http://dx.doi.org/10.1016/j.solmat.2007.06.016.

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Lee, Yonghyun, Sang Won Jung, Sang Hwi Park, Jung Whan Yoo, and Juhyun Park. "Synthesis of Tungsten-Doped Vanadium Dioxide Using a Modified Polyol Method Involving 1-Dodecanol." Materials 13, no. 23 (2020): 5384. http://dx.doi.org/10.3390/ma13235384.

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The doping of tungsten into VO2 (M) via a polyol process that is based on oligomerization of ammonium metavanadate and ethylene glycol (EG) to synthesize a vanadyl ethylene glycolate (VEG) followed by postcalcination was carried out by simply adding 1-dodecanol and the tungsten source tungstenoxytetrachloride (WOCl4). Tungsten-doped VEGs (W-VEGs) and their calcinated compounds (WxVO2) were prepared with varying mixing ratios of EG to 1-dodecanol and WOCl4 concentrations. Characterizations of W-VEGs by powder X-ray diffraction, differential scanning calorimetry, scanning electron microscopy, an

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Zhu, Mao-Dong, Chong Shan, Cheng Li, et al. "Thermochromic and Femtosecond-Laser-Induced Damage Performance of Tungsten-Doped Vanadium Dioxide Films Prepared Using an Alloy Target." Materials 11, no. 9 (2018): 1724. http://dx.doi.org/10.3390/ma11091724.

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Thermochromic tungsten-doped VO2 thin films were successfully fabricated using a W-V alloy target. X-ray diffraction analyses showed that the W-doped VO2 film had a preferred orientation of (011), and that the doping did not degrade the film crystallinity compared with that of the pure film. X-ray photoelectron spectroscopy and energy-dispersive spectroscopy showed that the doped 0.81 atom% tungsten replaced vanadium in the lattice of the film. The metal–insulator transition temperature of the W-doped VO2 film was reduced to 35.5 °C, which is close to room temperature. Additionally, the infrar

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Dissertations / Theses on the topic "Tungsten Doped Vanadium Dioxide"

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Pan, Kuan-Chang. "Vanadium Dioxide Based Radio Frequency Tunable Devices." University of Dayton / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=dayton154341840843132.

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Duncan, Morris. "Surface and sensor studies of doped titanium dioxide." Thesis, University of Oxford, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.365772.

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Ligmajer, Filip. "Pokročilé plazmonické materiály pro metapovrchy a fotochemii." Doctoral thesis, Vysoké učení technické v Brně. CEITEC VUT, 2018. http://www.nusl.cz/ntk/nusl-387738.

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Plazmonika, tedy vědní obor zabývající se interakcí světla s kovovými materiály, nabízí ve spojení s nanotechnologiemi nezvyklé možnosti, jak světlo ovládat a využívat. Výsledkem tohoto spojení může být například zaostřování světla pod difrakční limit, zesilování emise nebo absorbce kvantových zářičů, či extrémně citlivá detekce molekul. Tato práce se zabývá zejména možnostmi využití plazmoniky pro vývoj plošných optických prvků, tzv. metapovrchů, a pro fotokatalytické aplikace založené na plazmonicky generovaných elektronech s vysokou energií, tzv. horkých elektronech. Nejprve jsou vysvětleny

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Mao, Chih-Hao, and 毛志豪. "Preparations and photocatalytic characterization of tungsten oxide-doped titanium dioxide/carbon composites." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/82749271143897459282.

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碩士<br>國立高雄應用科技大學<br>化學工程與材料工程系<br>97<br>TiO2 is the most studied photocatalyst. High photocatalytic activity, low cost and easily prepared, but it shows negligible visible-light activity. This researchs mainly enhance the effect of TiO2 photocatalytic activities. Mesoporous titanium dioxide were prepared via sol-gel method, and in the prepared process doped tungsten atoms and carbon coating of photocatalyst was successful to prepared. The synthesized sample was characterized by X-ray Diffraction (XRD), Raman scattering spectroscopy (Raman), Fourier Transform Infrared Spectrometer (FTIR), B

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Mwakikunga, Bonex Wakufwa. "Nano-size effects on optical, structural and phononic properties of VO2 and WO3 by ultrasonic-nebulizer spray pyrolysis technique." Thesis, 2007. http://hdl.handle.net/10539/2082.

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Student Number : 0420699F - MSc Dissertation - School of Physics - Faculty of Science<br>This dissertation presents for the first time the conditions for the synthesis of VO2 by ultrasonic nebula-spray pyrolysis (UNSP) from a precursor solution of NH4VO3+VCl3 optimized as follows: a carrier gas of argon at a flow rate of 11 liters per minute, a furnace temperature of 400 to 700oC. This work also incorporates thermodynamic variables of Tpr-P-V into the equations that relate the mean diameter of droplets, D, to frequency of the exciting ultrasound waves, f, the density of the precursor s

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Chuang, Cheng-I., and 莊承毅. "Effect of Heat Treatment Conditions on the Properties of Titanium Dioxide Doped with Tungsten Films." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/ht82p3.

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Shao-EnChen and 陳劭恩. "Investigation of thermochromic properties of W-doped vanadium dioxide thin films deposited by electron beam evaporation." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/t4qeq9.

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碩士<br>國立成功大學<br>材料科學及工程學系<br>105<br>Thermochromic vanadium dioxide (VO2) undergoes a fully reversible semiconductor-metal transition (SMT) at a critical temperature (Tt) of ~68 °C with a dramatic change in electric and optical properties, which makes it an attractive candidate for its application in smart windows. Switchable VO2 and W-doped vanadium dioxide (WxV1-xO2) thin films are grown over quartz substrates via electron beam evaporation technique by using VO2 / WxV1-xO2 as targets at room temperature (RT) followed by post annealing process at different temperatures. The as-deposited films

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Pal, Banabir. "Electronic and Magnetic Structures of Some Selected Strongly Correlated Systems." Thesis, 2016. http://hdl.handle.net/2005/2970.

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Transition metal oxides and chalcogenides are an ideal platform for demonstrating and investigating many interesting electronic phases of matter. These phases emerge as a result of collective many body interactions among the electrons. The omnipresent electron, depending on its interaction with other electrons and with the underlying lattice, can generate diverse phases of matter with exotic physical properties. The ultimate objective of Materials Science is to provide a complete microscopic understanding of these myriad electronic phases of matter. A proper understanding of the collective qua

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Book chapters on the topic "Tungsten Doped Vanadium Dioxide"

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Han, Yong Hee, Seung Hoon Lee, Kun Tae Kim, In Hoon Choi, and Sung Moon. "Properties of Electrical Conductivity of Amorphous Tungsten-Doped Vanadium Oxide for Uncooled Microbolometers." In Solid State Phenomena. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/3-908451-31-0.343.

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Krishna, K. V., J. J. Delima, A. J. Snell, and A. E. Owen. "Electrical and Optical Characteristics of Vanadium Doped Amorphous Silicon Dioxide Films Prepared by CVD." In The Physics and Technology of Amorphous SiO2. Springer US, 1988. http://dx.doi.org/10.1007/978-1-4613-1031-0_31.

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Conference papers on the topic "Tungsten Doped Vanadium Dioxide"

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Hashim, Hashimah, Nurul Natasha Saliman, and Puteri Sarah Mohamad Saad. "Influence Of Annealing Temperature On Electrical And Physical Properties Of Tungsten Doped Vanadium Dioxide Thin Films." In 2021 IEEE Regional Symposium on Micro and Nanoelectronics (RSM). IEEE, 2021. http://dx.doi.org/10.1109/rsm52397.2021.9511568.

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Hashim, H., A. S. Mohamed, M. Y. Ibrahim, S. S. Shariffudin, and M. S. P. Sarah. "The effect of annealing time on tungsten-doped vanadium dioxide by using sol-gel spin coating method." In PROCEEDINGS OF THE 7TH INTERNATIONAL CONFERENCE ON ELECTRONIC DEVICES, SYSTEMS AND APPLICATIONS (ICEDSA2020). AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0032532.

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Tian, Xue-song, Qi Wang, Jian-feng Sun, and Zhi-gang Fan. "The calculation of doped vanadium dioxide thin films." In 2013 International Conference on Optoelectronics and Microelectronics (ICOM). IEEE, 2013. http://dx.doi.org/10.1109/icoom.2013.6626539.

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Lim, Herianto, Brett C. Johnson, Robert E. Marvel, Richard F. Haglund, and Jeffrey C. McCallum. "Optical spectroscopy of erbium doped monocrystalline vanadium dioxide." In 2014 Conference on Optoelectronic and Microelectronic Materials & Devices (COMMAD). IEEE, 2014. http://dx.doi.org/10.1109/commad.2014.7038698.

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Cai, W. B., F. Wang, Y. P. Miao, J. Wei, and K. L. Zhang. "Optical Properties of Nano-Structure Tungsten-Doped Vanadium Oxide." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-87228.

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Tungsten-doped vanadium oxide has been proved to decrease the transition temperature, which enables vanadium oxide film to be more promising. Besides, the nano-structure can improve the properties of the film when compared with the as-deposited film. In this letter, a nano-structure tungsten-doped vanadium oxide film is proposed. Tungsten-doped vanadium oxide film was deposited on the Si (400) substrate by DC magnetron sputtering. The doping level was controlled by adjusting the sputtering time. Then the as-deposited film was annealed to form a nano-structure film at the temperature of 500 °C

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Majid, Suhail, D. K. Shukla, and F. Rahman. "Electronic structure studies of hydrothermally synthesized W doped Vanadium dioxide." In Proceedings of the International Conference on Nanotechnology for Better Living. Research Publishing Services, 2016. http://dx.doi.org/10.3850/978-981-09-7519-7nbl16-rps-316.

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Kuznetsova, Yuliya V., Vadim I. Surikov, Valeriy I. Surikov, Olga V. Lyah, and Natalya A. Semenyuk. "Changing the properties of doped vanadium dioxide during prolonged storage under natural conditions." In 2016 Dynamics of Systems, Mechanisms and Machines (Dynamics). IEEE, 2016. http://dx.doi.org/10.1109/dynamics.2016.7819035.

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Wu, Xuefei, Zhiming Wu, Chunhui Ji, et al. "THz transmittance and electrical properties of silicon doped vanadium dioxide films tuning by annealing temperature." In Eighth International Symposium on Advanced Optical Manufacturing and Testing Technology (AOMATT2016), edited by Yadong Jiang, Bernard Kippelen, and Junsheng Yu. SPIE, 2016. http://dx.doi.org/10.1117/12.2242776.

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Danilin, Lev, and Valery Drozhzhin. "Research on Thermal Stability of Sorbents on the Basis of Microspheres Modified With Ferrocyanides of Transient and Heavy Metals." In The 11th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2007. http://dx.doi.org/10.1115/icem2007-7374.

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The mass-spectrometer method was used to investigate the compositions of gas phases formed at thermal decomposition of inorganic sorbents on the basis of alumosilicate microspheres modified with ferrocyanides of copper, iron, cobalt, tungsten and vanadium. The research was carried out in a static mode in vacuum in the temperature range of 180–500°C. The chemical composition of modifiers corresponded to formulas: K2Cu[Fe(CN)6]; K2Cu3[Fe(CN)6]2; Fe4[Fe(CN)6]3; KFe[Fe(CN)6]; Co2[Fe(CN)6]; xH4Fe(N)6·yWO3·zH2O; xH4Fe(CN)6·yV2O5·zH2O. The basic components of gas phases after thermal effect on these

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