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Study of CDW in RNiC2

Research Project

Project/Area Number 26400362
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Condensed matter physics II
Research InstitutionOkayama University

Principal Investigator

Ryusuke Kondo  岡山大学, 自然科学研究科, 准教授 (60302824)

Co-Investigator(Renkei-kenkyūsha) NOGAMI Yoshio  岡山大学, 大学院自然科学研究科, 教授 (10202251)
Project Period (FY) 2014-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2016: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2015: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2014: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywords電荷密度波 / 希土類化合物
Outline of Final Research Achievements

Interplay between 4f-localized spins on Lanthanide atoms and Charge-density-waves on conducting bands is investigated in the rare earth intermetallic compound, RNiC2 system. The conduction bands are constructed of d-orbital of Lanthanide atoms and Nickel atoms and p-orbital of Carbon atoms. For this purpose, we have developed a Guinier-type x-ray monochromatic Laue Camera down to 3 K of the lowest temperature and up to 10 T of the highest magnetic field. Employing this camera, we have clarified relationships between the magnetic order of 4f-localized spin and the CDWs on the conduction bands in the field-induced structural phase transition of (Nd, Dy)NiC2.
In addition to that, origin of the commensurate phase of YNiC2 has been revealed performing a single crystalline structure analysis method.

Report

(4 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Research-status Report
  • 2014 Research-status Report
  • Research Products

    (4 results)

All 2017 2016 2015 2014

All Presentation (4 results)

  • [Presentation] 希土類低次元伝導体YNiC2 の超格子構造2017

    • Author(s)
      野上由夫, 近藤隆祐, 小林賢介, 熊井玲児
    • Organizer
      日本物理学会 第72回年次大会(2017年)
    • Place of Presentation
      阪大
    • Year and Date
      2017-03-17
    • Related Report
      2016 Annual Research Report
  • [Presentation] 低温強磁場X線カメラの開発と希土類化合物RNiC2系への適用2016

    • Author(s)
      近藤隆祐, 阿井幸男, 野上由夫
    • Organizer
      日本物理学会2016年秋季大会
    • Place of Presentation
      金沢大学
    • Year and Date
      2016-09-13
    • Related Report
      2016 Annual Research Report
  • [Presentation] 希土類化合物RNiC2(R=La,Ce)のホール効果22015

    • Author(s)
      野村勝史,近藤隆祐,野上由夫
    • Organizer
      日本物理学会 第70回年次大会
    • Place of Presentation
      早稲田大
    • Year and Date
      2015-03-21 – 2015-03-24
    • Related Report
      2014 Research-status Report
  • [Presentation] 希土類化合物RNiC2(R=Sm,Nd)のホール効果2014

    • Author(s)
      野村勝史,近藤隆祐,野上由夫
    • Organizer
      日本物理学会 2014年秋季大会
    • Place of Presentation
      中部大
    • Year and Date
      2014-09-07 – 2014-09-10
    • Related Report
      2014 Research-status Report

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Published: 2014-04-04   Modified: 2020-05-15  

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