Academic literature on the topic 'Β-FeSi2'
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Journal articles on the topic "Β-FeSi2"
Tsunoda, Tatsuo, Masakazu Mukaida, Akio Watanabe, and Yoji Imai. "Composition dependence of morphology, structure, and thermoelectric properties of FeSi2 films prepared by sputtering deposition." Journal of Materials Research 11, no. 8 (August 1996): 2062–70. http://dx.doi.org/10.1557/jmr.1996.0259.
Full textNanko, Makoto, Se Hun Chang, Koji Matsumaru, Kozo Ishizaki, and Masatoshi Takeda. "Isothermal Oxidation of Sintered β-FeSi2 in Air." Materials Science Forum 522-523 (August 2006): 641–48. http://dx.doi.org/10.4028/www.scientific.net/msf.522-523.641.
Full textHong, Soon Jik, Chang Kyu Rhee, and Byong Sun Chun. "Phase Transition and Thermoelectric Property of Ultra-Fine Structured β-FeSi2 Compounds." Solid State Phenomena 118 (December 2006): 591–96. http://dx.doi.org/10.4028/www.scientific.net/ssp.118.591.
Full textMeng, Qing Sen, Wen Hao Fan, L. Q. Wang, and L. Z. Ding. "Effect of FAPAS Process on the Thermoelectric Properties of β-FeSi2." Materials Science Forum 650 (May 2010): 137–41. http://dx.doi.org/10.4028/www.scientific.net/msf.650.137.
Full textKawabata, Naoki, and Kazuhiro Nakamura. "Transformation from ε-FeSi to β- FeSi2 in RF-sputtered FeSix films." Physics Procedia 11 (2011): 87–90. http://dx.doi.org/10.1016/j.phpro.2011.01.036.
Full textKloc, Ch, E. Arushanov, M. Wendl, H. Hohl, U. Malang, and E. Bucher. "Preparation and properties of FeSi, α-FeSi2 and β-FeSi2 single crystals." Journal of Alloys and Compounds 219, no. 1-2 (March 1995): 93–96. http://dx.doi.org/10.1016/0925-8388(94)05055-4.
Full textKLOC, CH, E. ARUSHANOV, M. WENDL, H. HOHL, U. MALANG, and E. BUCHER. "ChemInform Abstract: Preparation and Properties of FeSi, α-FeSi2 and β-FeSi2 Single Crystals." ChemInform 26, no. 32 (August 17, 2010): no. http://dx.doi.org/10.1002/chin.199532022.
Full textLaila, Assayidatul, and Makoto Nanko. "Characterization of Cast Iron Scrap Chips toward β-FeSi2 Thermoelectric Materials." Materials Science Forum 804 (October 2014): 3–6. http://dx.doi.org/10.4028/www.scientific.net/msf.804.3.
Full textCho, Sung-Pyo, Yoshiaki Nakamura, Jun Yamasaki, Eiji Okunishi, Masakazu Ichikawa, and Nobuo Tanaka. "Microstructure and interdiffusion behaviour of β-FeSi2 flat islands grown on Si(111) surfaces." Journal of Applied Crystallography 46, no. 4 (July 4, 2013): 1076–80. http://dx.doi.org/10.1107/s0021889813015355.
Full textEguchi, Hajime, Motoki Iinuma, Hirofumi Hoshida, Naoki Murakoso, and Yoshikazu Terai. "Growth of Sb-Doped β-FeSi2 Epitaxial Films and Optimization of Donor Activation Conditions." Defect and Diffusion Forum 386 (September 2018): 38–42. http://dx.doi.org/10.4028/www.scientific.net/ddf.386.38.
Full textDissertations / Theses on the topic "Β-FeSi2"
Li, Fangfei [Verfasser], and Hartmut [Akademischer Betreuer] Wiggers. "Charge Storage Behavior of β-FeSi2 Nanoparticles / Fangfei Li ; Betreuer: Hartmut Wiggers." Duisburg, 2021. http://d-nb.info/123904870X/34.
Full textFeng, Xiaohua. "Etude des propriétés thermoélectriques des revêtements de matériaux de type β-FeSi2." Thesis, Belfort-Montbéliard, 2016. http://www.theses.fr/2016BELF0288/document.
Full textThe uncertainty in the global energy with the constant increase in energy demand triggers the search for energyconversion technologies with high efficiency. The thermoeletrical devices (TE) can play a relevant role in thecollection and recovery of energy because they can be used to recover waste heat. For example, the amount of heatemitted as waste by different ombustion engines is evaluated hundreds of millions of MWh / year.This thesis aims to demonstrate the feasibility of anufacturing heat recovery systems from waste on an industrialscale using thermoelectric generators (TE). The proposed manufacturing techniques are based on the use ofadvanced technologies such as spark plasma sintering, crushing, selective laser melting and thermal spraytechnology. These techniques make possible the development of thermoelectric material coatings with superiorthermoelectric performance and high flexibility related to multiple choices of sizes, shapes and materials.The study of semiconductor ß-FeSi2 material was conducted in this goal because it has a strong merit coefficient(ZT) in the temperature range of 300-800°C which is the temperature of the output gas of the cars.Selective Laser Melting, sintering and spark plasma sintering (SPS) were successively used to lead to themanufacture of ¿-FeSi2 alloy. The coatings were then obtained by low pressure plasma spraying.Concerning the coating formed from the alloy, the phase transformation of the cubic phase ¿-ferro-silicon and thetetragonal phase ¿-Fe2Si5 in the orthorhombic phase ß-FeSi2 is produced by obeying the eritectic and eutecticreactions. After annealing under suitable temperature and time, the coatings sprayed on the ceramic bstratepresent a complete phase ß-FeSi2.In view of a large-scale application, it is necessary to spray this type of coating on a stainless steel substrate and inthis case to use a suitable mask for making the appropriate thermoelectric device
Wei-JieHuang and 黃韋傑. "Synthesis and properties of morphology-improved single crystalline FeSi and β-FeSi2 nanowires." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/qn6j62.
Full textWu, Geng-Tong, and 吳耿同. "Simulation and Analysis of β-FeSi2 LED." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/24482201414219379794.
Full text義守大學
電子工程學系碩士班
94
The light-emitting devices are all fabricated by using Ⅲ-Ⅴ compound materials at the present day. However, the lattice constants of Ⅲ-Ⅴcompound materials are different from Si material, therefore the light-emitting devices can not integrate with Si chips. Recently, light emission from Si has been showed to be possible when the Si in the from of a low-dimensional system or when selected active impurities (such as erbium) and/or new phases (such as β-FeSi2). So far the studies of β-FeSi2 by many scholars have been focused on the investigation of its optical and electrical properties to find out the optimum thin film growth conditions. The theoretical investigation of β-FeSi2 light-emitting devices has not been reported. Thus, various laser diode structures (such as edge-emitting diode and surface-emitting diode) by using β-FeSi2 film as the action layer will be designed and analyzed in this proposal. First, the gain of β-FeSi2 /Si double heterostructure laser will be calculated. Then, the steady state solution of the rate equations will be solved to investigate the threshold characteristics and output power of β-FeSi2 /Si laser. The transient solutions of the rate equations will be calculated by using Analytic Solution to analyze the dynamic effects, frequency response and turn-on delay behavior of β-FeSi2 /Si laser, The analysis of rate equations can investigate the key factors that dominate the β-FeSi2/Si laser performances, These results can be used to fabricate the optimum β-FeSi2/Si laser structures.
Chih-YungYang and 楊智詠. "Synthesis and properties of single-crystalline β-FeSi2 nanowires." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/7z2fyj.
Full text國立成功大學
材料科學及工程學系碩博士班
101
In this study, self-catalyzed β-FeSi2 nanowires were synthesized via chemical vapor deposition method where the fabrication of β-FeSi2 nanowires occurred on Si(100) substrates through the decomposition of the single-source precursor of anhydrous FeCl3 powders. We carefully varied temperatures, duration time and the flow rates of carrier gases to control and investigate the growth of the nanowires. we can find that β-FeSi2 nanowires grow at about 750 ℃~ 850 ℃ and they are longer and thinner with increasing temperature . The number of nanowires was found fewer at higher gas flow rate, and the flow is less than 50sccm may have different phases appear. It is found that the longer duration time makes longer nanowires. β-FeSi2 in the PL IR spectra test can be found that there is a peak at 1380nm, it can be used as a light-emitting diode applications.The magnetism of β-FeSi2 nanowires is interesting as the result of various dimensions with different futures. β-FeSi2 bulk is non-magnetic,thin film ferromagnetic only below 100K, and in the magnetic analysis , there are room temperature ferromagnetic properties at the β-FeSi2 nanowires. In the field emission measurements, β-FeSi2 were good field emission materials.
Wang, Je-Jen, and 王傑彥. "Synthesis of bulk β-FeSi2 and its electrical measurement." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/29855852689008593881.
Full text國立交通大學
光電工程所
87
β-FeSi2 is an attractive material because of its high thermoelectric power,high absorption coefficient of visible light,and the integrating on silicon substrate﹒The thermal energy gap ofβ-FeSi2 has been reported 0.87eV-0.95eV in some literatures[1][2]﹒In this research,we synthesized and annealed theβ-FeSi2 in some different conditions﹒Theβ-FeSi2 was observed higher thermoelectric power in the condition that the syntheticβ-FeSi2 was quenched,and then annealed at 800℃,sustained 1000 hours﹒We also found that the copper-dopedβ-FeSi2 performed higher thermoelectric power﹒The higher thermoelectric power could be becauseβ-FeSi2 was formed fast fromε-FeSi and α-Fe2Si5 after annealing or doping copper﹒Structural characterizations were made by X-ray diffraction,Raman scattering,scanning electron microscopy and electron probe microanalyzer﹒Further more,ther result of measurement of resistivity as a function of reciprocal temperature is shown with a thermal energy gap 0.82eV-0.88eV﹒At low temperature(100K-200K),the temperature dependence of the resistivity matched well with Mott''s exp(To/T)^(1/4)law,indicating high impurity and defect in our materials﹒
Chen, Chih-Wei, and 陳志偉. "Synthesis and Properties of the β-FeSi2 and ε-FeSi Nanowires by Oxide Assisted Growth Method." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/59550264757787925877.
Full text國立清華大學
材料科學工程學系
99
Transition metal silicide nanowires compose a highly broad set of refractory materials that are promising materials that are currently used for many applications including CMOS devices, thin film coatings, bulk structural components, electrical heating elements, photovoltaics, thermoelectric and spintronics. Semiconducting silicides have been extensively investigated for silicon-based optoelectronics such as LEDs and IR detectors. The narrow bandgap semiconducting silicides, in particular CrSi2, β-FeSi2, MnSi1.8, and ReSi1.75, have been targeted and used for robust, stable, and inexpensive thermoelectric materials, and have shown potential for photovoltaic applications. β-FeSi2 is a silicon-rich phase with a orthorhombic structure (space group Cmca) that has direct-bandgap . It allows for making light-emitting devices which operate at 1.5mm that incorporate β-FeSi2 into a conventional silicon bipolar junction. ε-FeSi is a metallic material with a cubic structure (space group P213) that has been classified as a Kondo insulator. It has attracted interest for over half a century, mainly because of its unusual magnetic behavior. β-FeSi2 and ε-FeSi nanowires were produced on silicon substrates covered with a thick layer of silicon oxide through the decomposition of the double-source precursor FeCl3 and SiO in a Oxygen Assisted Growth (OAG) process. Unlike typical Vapor-Liquid-Solid (VLS) NWs growth, The NWs form without the addition of metal catalysts had no catalyst tips. The morphologies and structure of NWs were confirmed by X-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). SEM shows that the diameter of the NWs is below 100nm and the length of NWs is tens of micrometers. XRD reveals that samples can grow in single phase or in double phase NWs depending on the growth temperature. Energy spectroscopy for chemical analysis (ESCA) shows the NWs are covered a thick SiO2 layer. TEM results indicate that the NWs growth is along the low index plane. We also have fabricated two-terminal electrical devices of β-FeSi2 and ε-FeSi NWs, and they exhibited average resistivity about 2000μΩ.cm and 250μΩ.cm. We found that the resistivity decreases stepwise as the NWs is thinned in semiconducting nanowires. In conclusion, we have successfully synthesized freestanding single-crystalline nanowires of β-FeSi2 and ε-FeSi by OAG method. This shows that semiconducting and metallic NWs will prove to be promising materials in future nanotechnology.
Yeh, Chan-Cheng, and 葉展成. "Analysis of the Response Characteristics of β-FeSi2 Heterojunction Photodiodes." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/41338836743477185428.
Full text義守大學
電子工程學系
101
In this thesis,the responsivity characteristics of the p-n heterojunction photodiodes are investigated by using Si andβ-FeSi2 materials with different combinations of doping concentration and device thickness. In recent research report, the absorption coefficient and the wavelength range of absorption ofβ-FeSi2 material are larger than that of Si material. Therefore, the spectral responsivities of β-FeSi2 p-n heterojunction photodiode are also larger than that of Si photodiode. In this thesis, the drift and diffusion currents of photodiodes are calculated by solring the charge transport equations. Then the I-V characteristic curves and the responsivities of the photodiodes and obtained by these currents. The calculated results show that theβ-FeSi2 heterojunction photodiode has a good rectifying character and a good response to the NIR light. Theβ-FeSi2 / 4H-SiC photodiode with the doping concentration of 1015 cm-3 in p type β-FeSi2 absorption layer and the absorption layer thickness of 2.0 μm has a peak responsivity value of 398 mA / W at 1.189μm. Therefore, the is applicable to NIR optically-activated SiC based power switching devices.
Wang, Chi-bi, and 王麒弼. "Design and Analysis of Internal Efficiency for β-FeSi2 Light-Emitting Diodes." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/03093450393648381607.
Full text義守大學
電子工程學系碩士班
97
The light-emitting devices are all fabricated by using Ⅲ-Ⅴ compound materials at the present day. However, the lattice constants of Ⅲ-Ⅴcompound materials are different from Si material, therefore the light-emitting devices can not integrate with Si chips. Recently, light emission from Si has been showed to be possible when the Si in the from of a low-dimensional system or when selected active impurities (such as erbium) and/or new phases (such as β-FeSi2). So far the studies of β-FeSi2 by many scholars have been focused on the investigation of its optical and electrical properties to find out the optimum thin film growth conditions. The theoretical investigation of β-FeSi2 light-emitting devices has not been reported. Thus, various laser diode structures (such as edge-emitting diode and surface-emitting diode) by using β-FeSi2 film as the action layer will be designed and analyzed in this proposal. First, the gain of β-FeSi2 /Si double heterostructure LED will be calculated. Then, the steady state solution of the rate equations will be solved to investigate the threshold characteristics and output power of β-FeSi2 /Si LED. The transient solutions of the rate equations will be calculated by using Analytic Solution to analyze the dynamic effects, frequency response and turn-on delay behavior of β-FeSi2 /Si LED, The analysis of rate equations can investigate the key factors that dominate the β-FeSi2/Si LED performances, These results can be used to fabricate the optimum β-FeSi2/Si LED structures.
Song, Tzu-wen, and 宋子文. "Calculation of Band Structures of β-FeSi2 by Using Tight-Binding Method." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/82375513662170973332.
Full text義守大學
電子工程學系碩士班
96
β-FeSi2 is a Si-based semiconductor with a direct band gap of ∼0.83-0.87eV at room temperature. This feature makes the β-FeSi2 a potential candidate for the use in the light emitters. In this paper, the band structures of β-FeSi2 is calculated by tight-binding method(TBM). The results show that the direct and indirect band gaps of β-FeSi2 differ only 0.022eV. The other different band-structure calculating methods also show that the β-FeSi2 has the direct and indirect band gaps characteristics. Thus, the TBM can still be used to calculate the band structures of a complicated crystal such as β-FeSi2. And the physical characteristics of the band structures of β-FeSi2 are analyzed easierly by using TBM than the other methods.
Book chapters on the topic "Β-FeSi2"
Hairin, Assayidatul Laila Nor, Muhammad Haziq Hakmal Jailani, and Megat Muhammad Ikhsan Megat Hasnan. "Thermoelectric Properties of Β-FeSi2 Thermoelectric Module Utilizing Cast-Iron Scrap Chips." In Proceeding of 5th International Conference on Advances in Manufacturing and Materials Engineering, 645–51. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-9509-5_85.
Full textSchaaf, P., M. Milosavljevic, S. Dhar, N. Bibic, K. P. Lieb, M. Wölz, and G. Principi. "Mössbauer Optimization of the Direct Synthesis of β-FeSi2 by Ion Beam Mixing of Fe/Si Bilayers." In Industrial Applications of the Mössbauer Effect, 615–21. Dordrecht: Springer Netherlands, 2002. http://dx.doi.org/10.1007/978-94-010-0299-8_67.
Full textNanko, Makoto, Se Hun Chang, Koji Matsumaru, Kozo Ishizaki, and Masatoshi Takeda. "Isothermal Oxidation of Sintered β-FeSi2 in Air." In High-Temperature Oxidation and Corrosion 2005, 641–48. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-409-x.641.
Full textHong, Soon Jik, Chang Kyu Rhee, and Byong Sun Chun. "Phase Transition and Thermoelectric Property of Ultra-Fine Structured β-FeSi2 Compounds." In Solid State Phenomena, 591–96. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/3-908451-25-6.591.
Full textLi, Xiao Na, Chuang Dong, and Lei Xu. "High-Quality Semiconductor Carbon-Doped β-FeSi2 Film Synthesized by MEVVA Ion Implantation." In Materials Science Forum, 3803–6. Stafa: Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-960-1.3803.
Full textHunt, Tim D., Brian J. Sealy, Karen J. Reeson, Russell M. Gwilliam, Kevin P. Homewood, Richard J. Wilson, C. Douglas Meekison, and G. Roger Booker. "Ion beam synthesis of α and β FeSi2 layers." In Ion Implantation Technology–92, 60–64. Elsevier, 1993. http://dx.doi.org/10.1016/b978-0-444-89994-1.50015-6.
Full textPauli, M., M. Dücker, M. Döscher, J. Müller, W. Henrion, and H. Lange. "Characterization of the heterostructure between heteroepitaxially grown β-FeSi2 and (111) silicon." In European Materials Research Society Symposia Proceedings, 270–73. Elsevier, 1993. http://dx.doi.org/10.1016/b978-0-444-81769-3.50039-5.
Full textYamauchi, S., H. Ohshima, T. Hattori, M. Kasaya, M. Hirai, M. Kusaka, M. Iwami, Y. Kamiura, and F. Hashimoto. "Preparation and Electronic Properties of Epitaxial β-FeSi2 on Si(111) Substrate." In Control of Semiconductor Interfaces, 377–82. Elsevier, 1994. http://dx.doi.org/10.1016/b978-0-444-81889-8.50070-5.
Full textKatsumata, Hiroshi, Hong-Lie Shen, Naoto Kobayashi, Yunosuke Makita, Masataka Hasegawa, Hajime Shibata, Shinji Kimura, Akira Obara, and Shin-ichiro Uekusa. "Optical and structural properties of β-FeSi2 layers on Si fabricated by triple 56Fe ion implantations." In Ion Beam Modification of Materials, 943–46. Elsevier, 1996. http://dx.doi.org/10.1016/b978-0-444-82334-2.50187-8.
Full textMaltez, R. L., M. Behar, and X. W. Lin. "Ion-beam induced sequential epitaxy of α, β and γ-FeSi2 in Si (100) at 320°C." In Ion Beam Modification of Materials, 400–403. Elsevier, 1996. http://dx.doi.org/10.1016/b978-0-444-82334-2.50076-9.
Full textConference papers on the topic "Β-FeSi2"
Akiyama, Kensuke, Yoshihisa Matsumoto, and Hiroshi Funakubo. "Room-temperature photoluminescence spectrum from β-FeSi2 films." In Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XXII, edited by Li-Wei Tu, Martin Strassburg, Jong Kyu Kim, and Michael R. Krames. SPIE, 2018. http://dx.doi.org/10.1117/12.2289984.
Full textSun, C. M., P. S. Chan, and H. K. Tsang. "Photoresponse of β-FeSi2 precipitates in a silicon waveguide." In LEOS 2007. 20th Annual Meeting of the IEEE Lasers and Electro-Optics Society. IEEE, 2007. http://dx.doi.org/10.1109/leos.2007.4382443.
Full textTerai, Yoshikazu, and Yoshihito Maeda. "Photoluminescence Enhancement in β-FeSi2 by Annealing in Oxygen." In 2004 International Conference on Solid State Devices and Materials. The Japan Society of Applied Physics, 2004. http://dx.doi.org/10.7567/ssdm.2004.d-9-5.
Full textAkiyama, Kensuke, Satoru Kaneko, and Hiroshi Funakubo. "Epitaxial Growth of β-FeSi2 on Single Crystal Insulator." In 2004 International Conference on Solid State Devices and Materials. The Japan Society of Applied Physics, 2004. http://dx.doi.org/10.7567/ssdm.2004.d-9-4.
Full textAkiyama, K., M. Itakura, and H. Funakubo. "Photoluminescence enhancement from β-FeSi2 on Ag-coated Si." In 2012 International Conference on Solid State Devices and Materials. The Japan Society of Applied Physics, 2012. http://dx.doi.org/10.7567/ssdm.2012.ps-8-9.
Full textMaeda, Yoshihito, Takahide Tatsumi, Yuki Kawakubo, Yuya Noguchi, Kosuke Morita, Hiroyuki Kobayashi, and Kazumasa Narumi. "Enhancement of photoluminescence from Cu-doped β-FeSi2/Si heterostructures." In International Conference and Summer School on Advanced Silicide Technology 2014. Japan Society of Applied Physics, 2015. http://dx.doi.org/10.7567/jjapcp.3.011108.
Full textMCKINTY, C. N., K. J. KIRKBY, K. P. HOMEWOOD, S. P. EDWARDS, G. SHAO, R. VALIZADEH, and J. S. COLLIGON. "THE POTENTIAL OF β-FeSi2 NANOSTRUCUTRES FOR SOLAR CELL APPLICATIONS." In Reviews and Short Notes to NANOMEETING-2001. WORLD SCIENTIFIC, 2001. http://dx.doi.org/10.1142/9789812810076_0084.
Full textGALKIN, N. G., E. A. CHUSOVITIN, A. V. SHEVLYAGIN, S. A. DOTSENKO, D. L. GOROSHKO, T. S. SHAMIRZAEV, and A. K. GUTAKOVSKII. "MODEL OF β-FeSi2 NANOCRYSTALLITE “EMERSION” PROCESS DURING SILICON LAYER OVERGROWTH." In Proceedings of International Conference Nanomeeting – 2013. WORLD SCIENTIFIC, 2013. http://dx.doi.org/10.1142/9789814460187_0042.
Full textTatar, B., and K. Kutlu. "Optical Properties Of β-FeSi2 Thin Films Grown By Magnetron Sputtering." In SIXTH INTERNATIONAL CONFERENCE OF THE BALKAN PHYSICAL UNION. AIP, 2007. http://dx.doi.org/10.1063/1.2733402.
Full textNarazaki, Aiko, Tadatake Sato, Yoshizo Kawaguchi, and Hiroyuki Niino. "Room-temperature fabrication of β-FeSi2 microprecipitates by pulsed laser deposition." In SPIE Proceedings, edited by Isamu Miyamoto, Henry Helvajian, Kazuyoshi Itoh, Kojiro F. Kobayashi, Andreas Ostendorf, and Koji Sugioka. SPIE, 2004. http://dx.doi.org/10.1117/12.596386.
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