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PHONON DENSITIES OF STATES IN Fe-BASED AMORPHOUS INVAR ALLOYS

XIAN YU-ZE LU ZHI-CHAO LI JI ZHOU YE CHUN-TANG LI ZHU-QI KANG JIAN SHEN BAO-GEN

PHONON DENSITIES OF STATES IN Fe-BASED AMORPHOUS INVAR ALLOYS

XIAN YU-ZE, LU ZHI-CHAO, LI JI ZHOU, YE CHUN-TANG, LI ZHU-QI, KANG JIAN, SHEN BAO-GEN
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  • Received Date:  01 March 1993
  • Published Online:  20 January 1994

PHONON DENSITIES OF STATES IN Fe-BASED AMORPHOUS INVAR ALLOYS

  • 1. (1)东北工学院物理系; (2)中国科学院物理研究所; (3)中国原子能科学研究院

Abstract: Generalized phonon densities of states (PDOS) for amorphous Fe90-xCoxZr10(x=10,40) and Fe80-yCryP13C7(y=4,8) alloys have been deduced from inelastic neutron scattering experiments. And the softening phenomena of the PDOS in the energy region below 17 meV have been observed for the amorphous Invar alloys. The anomalies in the dynamics of Invar alloys were discussed, and preliminary results show that the phonon softening of the amorphous Invar alloys may closely connected with the enhanced electron—phonon interaction in lnvar alloys.

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