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2005 Fiscal Year Final Research Report Summary

Application of Intense Magnetic Field to Fabrication of CdTe Semiconductor and Improvement of Energy Conversion

Research Project

Project/Area Number 16560649
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Metal making engineering
Research InstitutionKumamoto University

Principal Investigator

KOZUKA Toshiyuki  Kumamoto Univ., Dept.Material Sci.& Eng., Associate Professor, 大学院・自然科学研究科, 助教授 (60205424)

Project Period (FY) 2004 – 2005
KeywordsCdTe semi-conductor / solar cell / intense magnetic field / crystal orientation / grain coarsening / electro-deposition / energy conversion ratio / crystal magnetization
Research Abstract

CdTe semi-conducting materials has cubic structure, so that magnetic field cannot influence the crystal orientation. Cd and Te crystal are hexagonal and the basic layer of Cd or Te with strong crystal orientation can be deposited by electroplating process. After the electro-deposition of the basic layer, CdTe crystal can be deposited with same texture. And finally, during a heat treatment, the CdTe crystal can grow larger than that in the case of no magnetic field. Large grain size of CdTe film is advantageous for energy conversion of solar cell.
In this project, effect of magnetic field on the crystal orientation of Cd and Te, and obtained results are follows.
-Crystallization temperature becomes lower when CdTe is deposited on Cd or Te basic layer.
-Deposited surface becomes smooth due to fluid flow induced by Lorentz force.
-Cd and Te can be oriented strongly by the imposition of over 3T.
-Te basic layer is advantageous for CdTe texture alignment.

  • Research Products

    (6 results)

All 2005 2004

All Journal Article (6 results)

  • [Journal Article] Buoyancy Control of Slag Droplets in Molten Metal Using Lorentz Force2005

    • Author(s)
      小塚敏之, 稲葉栄吉, 河原正泰
    • Journal Title

      Proc. of 2^<nd> Asian Workshop on EPM May

      Pages: 277-280

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Buoyancy Control of Slag Droplets in Molten Metal Using Lorentz Force2005

    • Author(s)
      Toshiyuki Kozuka, Eikichi Inaba, Masayasu Kawahara
    • Journal Title

      Proc.of 2^<nd> Asian Workshop on EPM, May

      Pages: 277-280

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] 2液相界面の不安定性に及ぼすローレンツ力の影響2004

    • Author(s)
      小塚敏之, 小島勝紀, 河原正泰
    • Journal Title

      鉄と鋼 90・6

      Pages: 394-401

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Application of DC Lorentz Force in Metallurgical Processes2004

    • Author(s)
      小塚敏之, 稲葉栄吉, 河原正泰
    • Journal Title

      Proc. of International Sympo. on Heating by Electromagnetic Sources

      Pages: 115-122

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Effect of Lorentz Force on Stability of the Interface between Two Liquid layers2004

    • Author(s)
      Toshiyuki Kozuka, Masanori Kojima, Masayasu Kawahara
    • Journal Title

      Tetsu-to-Hagane 90-6

      Pages: 394-401

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Application of DC Lorentz Force in Metallurgical Processes2004

    • Author(s)
      Toshiyuki Kozuka, Eikichi Inaba, Masayasu Kawahara
    • Journal Title

      Proc.of International Sympo.on HES.Jun

      Pages: 115-122

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 2007-12-13  

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