Change in electron transport property after glass transition in several Pd-based metallic glasses

Osami Haruyama; Hisamichi Kimura; Nobuyuki Nishiyama; Akihisa Inoue

doi:10.1016/S0022-3093(99)00178-7

Change in electron transport property after glass transition in several Pd-based metallic glasses

Osami Haruyama, Hisamichi Kimura, Nobuyuki Nishiyama, Akihisa Inoue

Institute for Materials Research (IMR)

Research output: Contribution to journal › Conference article › peer-review

34 Citations (Scopus)

Abstract

We investigated changes in the electron transport property of stable Pd₇₆Cu₆Si₁₈ and Pd₄₀Ni₁₀Cu₃₀P₂₀ metallic glasses, prepared by a melt-spinning technique, following the glass transition. These metallic glasses had a supercooled liquid state after annealing with a heating rate of 0.67 K/s. The slope of resistance as a function of temperature changed after the glass transition for both metallic glasses. However, transmission electron microscope (TEM) observations and X-ray diffraction did not detect crystalline phases or amorphous phase separation in the supercooled liquid region. We discuss briefly the change in the electrical resistivity after the glass transition based on the estimation of the thermal expansion coefficient in the supercooled liquid.

Original language	English
Pages (from-to)	781-785
Number of pages	5
Journal	Journal of Non-Crystalline Solids
Volume	250-252 (II)
DOIs	https://doi.org/10.1016/S0022-3093(99)00178-7
Publication status	Published - 1999 Aug 1
Event	Proceedings of the 1998 10th International Conference on Liquid and Amorphous Metals (LAM-10) - Dortmund, Ger Duration: 1998 Aug 30 → 1998 Sept 4

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Condensed Matter Physics
Materials Chemistry

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10.1016/S0022-3093(99)00178-7

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title = "Change in electron transport property after glass transition in several Pd-based metallic glasses",

abstract = "We investigated changes in the electron transport property of stable Pd76Cu6Si18 and Pd40Ni10Cu30P20 metallic glasses, prepared by a melt-spinning technique, following the glass transition. These metallic glasses had a supercooled liquid state after annealing with a heating rate of 0.67 K/s. The slope of resistance as a function of temperature changed after the glass transition for both metallic glasses. However, transmission electron microscope (TEM) observations and X-ray diffraction did not detect crystalline phases or amorphous phase separation in the supercooled liquid region. We discuss briefly the change in the electrical resistivity after the glass transition based on the estimation of the thermal expansion coefficient in the supercooled liquid.",

author = "Osami Haruyama and Hisamichi Kimura and Nobuyuki Nishiyama and Akihisa Inoue",

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AU - Haruyama, Osami

AU - Kimura, Hisamichi

AU - Nishiyama, Nobuyuki

AU - Inoue, Akihisa

PY - 1999/8/1

Y1 - 1999/8/1

N2 - We investigated changes in the electron transport property of stable Pd76Cu6Si18 and Pd40Ni10Cu30P20 metallic glasses, prepared by a melt-spinning technique, following the glass transition. These metallic glasses had a supercooled liquid state after annealing with a heating rate of 0.67 K/s. The slope of resistance as a function of temperature changed after the glass transition for both metallic glasses. However, transmission electron microscope (TEM) observations and X-ray diffraction did not detect crystalline phases or amorphous phase separation in the supercooled liquid region. We discuss briefly the change in the electrical resistivity after the glass transition based on the estimation of the thermal expansion coefficient in the supercooled liquid.

AB - We investigated changes in the electron transport property of stable Pd76Cu6Si18 and Pd40Ni10Cu30P20 metallic glasses, prepared by a melt-spinning technique, following the glass transition. These metallic glasses had a supercooled liquid state after annealing with a heating rate of 0.67 K/s. The slope of resistance as a function of temperature changed after the glass transition for both metallic glasses. However, transmission electron microscope (TEM) observations and X-ray diffraction did not detect crystalline phases or amorphous phase separation in the supercooled liquid region. We discuss briefly the change in the electrical resistivity after the glass transition based on the estimation of the thermal expansion coefficient in the supercooled liquid.

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Change in electron transport property after glass transition in several Pd-based metallic glasses

Abstract

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