Direct Observation of the Spin Gap in NaV_2O_5 by Submillimeter Wave ESR

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概要

• 論文の詳細を見る

• Transitions between the singlet ground state and the first excited triplet state in N8.V2O5 havebeen observed by tneans of subtnillizraeter wave ESR for the first titrne. The distinct Zeeraaansplitting clearly indicates that the first excited state is a triplet state. The singlet-triplet energygap ?tt zero field has been deternained as ,IIIN : 8.13 naeV at T : 4.2 K. A considerable atnisotropyof the absorption intensity with respect to the naagnetic field orientation has been observed.The intensity is strongest for B7a and weakest ['or Bfc. We propose that this result can beexplained by incltrding in the Hanailtonian the Dzyaloshinsky-1VIoriya interaction which breaksthe selection rtnle.

• 社団法人日本物理学会の論文
• 1998-11-15

著者

• UEDA Yutaka

  Institute for Solid State Physics, University of Tokyo

• NOJIRI Hiroyuki

  Institute for Materials Research, Tohoku University

• Luther Sebastian

  Institute For Materials Research Tohoku University

• MOTOKAWA Mitsuhiro

  Institute for Materials Research, Tohoku University

• ISOBE Masahiko

  Institute for Solid State Physics, The University of Tokyo

• Ueda Yutaka

  Institute For Solid State Physics University Of Tokyo

• Nojiri Hiroyuki

  Institute For Material Research Tohoku University

• Isobe Masahiko

  Materials Design And Characterization Laboratory Institute For Solid State Physics The University Of

• Motokawa M

  Tohoku Univ. Sendai

• Motokawa Mitsuhiro

  Department Of Mechanical Engineering Faculty Of Engineering And Resource Science Akita University

• Motokawa Mitsuhiro

  Institute For Materials Research Tohoku University

• Isobe Masahiko

  Institute For Materials Research Tohoku University

• Motokawa Mitsuhiro

  Crest Japan Science And Technology:institute For Material Research Tohoku University

• Motokawa Mitsuhiro

  Faculty Of Science Kobe University

• Isobe M

  Department Of Physics Nagoya University

• Masuzawa Masahiro

  Department Of Applied Physics Faculty Of Engineering Tohoku University

• Ueda Yutaka

  Institute For Solid State Physic The University Of Tokyo

• Isobe Masato

  National Institute for Materials Science (NIMS)

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