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1992 Fiscal Year Final Research Report Summary

Magneto-Acoustic Effect of the Heavy Fermion Compound by Giga-Hertz Ultrasonic Measurement

Research Project

Project/Area Number 03452030
Research Category

Grant-in-Aid for General Scientific Research (B)

Allocation TypeSingle-year Grants
Research Field 固体物性
Research InstitutionTOHOKU UNIVERSITY

Principal Investigator

GOTO Terutaka  Tohoku University, Research Institute for Scientific Measurements, 科学計測研究所, 助教授 (60134053)

Co-Investigator(Kenkyū-buntansha) SAKATSUME Shinichi  Tohoku University, Cryogenic Center, 低温センター, 助手 (20005896)
SUZUKI Takashi  Tohoku University, Department Physics, 理学部, 助教授 (30004344)
Project Period (FY) 1991 – 1992
Keywordsultrasound / heavy Fermion / magneto-acoustic effect / electron-lattice interaction / acoustic dHvA effect / dilution refrigerator / two-circle goniometer / magnetostriction
Research Abstract

Employing the ultrasonic measurements, we have investigated the electron-strain interaction of the rare earth compounds, in particular the heavy Fermion and valence fluctuation systems. In the present research we constructed a new ultrasonic system based on the monodyne detection and its phase comparator for the high frequency ultrasonic signal up to 1 GHz. For the low temperature measurement with the dilution refrigerator, the coaxial air line and the cryo-amplifier up to 1 GHz have been developed. Furthermore the various sample-orienting devices of the spiral gear and the two-circle goniometer have been designed. In the acoustic de Haas-van Alphen measurements, we focused the various heavy Fermion compounds. In particular we successfully observed the heavy hole state in CeSb. This result provides an essential evidence for the p-f mixing mechanism in CeSb proposed by Kasuya et al. And the observed large oscillatory intensity is due to the remarkable enhancement of the density of state in the hole state. The experiment of the acoustic dHvA effect and the oscillatory magnetostriction may provide rich information on the unusual character of the electron- strain interaction in the heavy Fermion and superconducting compounds. Anyway further continuous research with the ultrasonic method should be required.

  • Research Products

    (35 results)

All Other

All Publications (35 results)

  • [Publications] S.Nakamura: "Elastic properties of dense kando compoands CeNiSn and CePdSn" J.Phys.Soc.Jpn.60. 2305-2310 (1991)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] S.Nakamura: "Electron-Strain interaction in valence fluctuation compound SmB_6" J.Phys.Soc.Jpn.60. 4311-4318 (1991)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Y.Onuki: "Ferni surfaces in straongly correlated election systems" Materical Science and Tecknology. 3. 547-626 (1991)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] R.Settai: "Electron-strain interaction in YCu_2" Physica. B169. 495-496 (1991)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 布田 幸雄: "低温磁場中での試料回転機構の試作" 東北大学科学計測研究所報告. 40. 33-47 (1991)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 松井 広志: "トシプローディング型 ^3Heクライオスタットの開発製作" 東北大学科学計測研究所報告. 40. 49-58 (1991)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] R.Settai: "Acoustic de Haas-van alphen effict of YCu_2" J.Phys.Soc.Jpn. 61. 609-615 (1992)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] H.Matsui: "Capacitive Dilatometer for measure went of oscillatury magneto striction" Jpn.J.Appl.Phys. 31. 2941-2944 (1992)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] R.Setlai: "Two-Circle gonioweter for measure went of acoustic de haas-van aephen effect" Jpn.J.Appl.Phys. 31. 3736-3737 (1992)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] T.Goto: "Dilution refrigerator for neasure wents of the acoustic de haas-van alphen effect" Cryogenics. 32. 902-907 (1992)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 後藤 輝孝: "希釈冷凍機" 応用物理. 61. 283-284 (1992)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] T.Goto: "Cryowagnetic systerms for measurements of the de haas-van alphen ettect" Jpn.J.Appl.Phys. S8. 157-161 (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] T.Goto: "Acoustic de haas-van alpen effect" Jpn.J.Appl.Phys. S8. 140-148 (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] T.Goto: "Acoustic de haas-van alphen effect and electron-strain interaction in f-electron systems" Physica B. (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] S.Nakamura: "Magnetoelastic interaction of rareeurtn hexa borides" Physica B. (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] R.Settai: "Acoustic de haas-van alphen effect in LaSb and CeSb" Physica B. (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] H.Goto: "Dielectric dispersion of Valence fluctuation compound Sm3Se4" J.Phys.Soc.Jpn.(1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] H.Matsui: "Acoustic de haas-Van Alphen effect in LaB6 and CeB6" Physica B. (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] S.Salzatsume: "Cryowagnetic system for the acoustic de Haas-Van Alphen effect" Physica B. (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] S.Nakamura, T.Goto, Y.Isikawa, S.Sakatsume and M.Kasaya: "Elastic Properties of Dense Kondo Compounds CeNiSn and CePdSn" J.Phys.Soc.Jpn.60. 2305-2310 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] S.Nakamura, T.Goto, M.Kasaya and S.Kunii: "Electron-Strain Interaction in Valence Fluctuation Compound SmB_6" J.Phys.Soc.Jpn.60. 4311-4318 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Y.Onuki, T.Goto and T.Kasuya: "Fermi Surfaces in Strongly Correlated Electron Systems in "Materials Science and Technology" eds. E.Kramer, R.Cahn and P.Haasen (VCH Verlagsgesellschaft, 1991)" vol.3. 547-626

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] R.Settai, T.Goto and Y.Onuki: "Electron-Strain Interaction in YCu_2" Physica. B169. 495-496 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] R.Settai, T.Goto and Y.Onuki: "Acoustic de Haas - van Alphen Effect of YCu_2 and CeCu_2" J.Phys.Soc.Jpn.61. 609-615 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] H.Matsui, S.Yanagida and T.Goto: "Capacitive Dilatometer for Measurement of Oscillatory Magnetostriction" Jpn.J.Appl.Phys.31. 2941-2944 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] R.Settai, M.Chida, S.Yanagida and T.Goto: "Two-Circle Goniometer for Measurement of Acoustic de Haas-van Alphen Effect" Jpn.J.Appl.Phys.31. 3736-3737 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] T.Goto, S.Sakatsume, A.Sawada, H.Matsui, R.Settai, S.Nakamura, Y.Ohtani, H.Goto, Y.Ohe, A.Tamaki, Y.Fuda, K.Abe, Y.Yamato and T.Fujimura: "Dilution refrigerator for measurements of the acoustic de Haas-van Alphen effect" Cryogenics. 32. 902-907 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] T.Goto, A.Sawada and T.Sakatsume: "Cryomagnetic systems for measurements of the de Haas-van Alphen effect. in "Physical Properties of Actinide and Rare Earth Compounds"" Jpn.J.Appl.Phys.Series. 8. 157-161 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] T.Goto, H.Matsui, R.Settai: "Acoustic de Haas-van Alphen effect. in "Physical Properties of Actinide and Rare Earth Compounds"" Jpn.J.Appl.Phys.Series. 8. 140-148 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] T.Goto, H.Matsui, R.Settai and S.Sakatsume: "Acoustic de Haas-van Alphen effect and electron-strain interaction in f-electron systems" Physica B.

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] S.Nakamura, T.Goto, A.Tamaki, S.Kunii, K.Iwashita and M.Kasaya: "Magnetoelastic interaction of rare earth hexaborides" Physica B.

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] H.Matsui, T.Goto, S.Kunii and S.Sakatsume: "Acoustic de Haas-van Alphen effect in LaB_6 and CeB_6" Physica B.

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] R.Settai, T.Goto, S.Sakatsume, Y.S.Kwon, T.Suzuki and T.Kasuya: "Acoustic de Haas-van Alphen effect in LaSb and CeSb" Physica B.

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] S.Sakatsume, H.Matsui, R.Settai, S.Nakamura, Y.Ohtani, S.Kasahara and T.Goto: "Cryomagnetic system for the acoustic de Haas-van Alphen effect" Physica B.

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] H.Goto, K.Baba, T.Goto, S.Nakamura, A.Tamaki, A.Ochiai, T.Suzuki and T.Kasuya: "Dielectric dispersion of valence fluctuation compound Sm_3Se_4" J.Phys.Soc.Jpn.

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

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Published: 1994-03-24  

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