Low temperature specific heat of bulk glassy and crystalline Zr41Ti14Cu12.5Ni10Be22.5 alloys

被引：16
作者：
Bai, HY
Luo, JL
Chen, ZJ
Wang, WH
机构：
[1] Chinese Acad Sci, Inst Phys, Lab Ultralow Temp Phys, Beijing 100080, Peoples R China
[2] Chinese Acad Sci, Ctr Condensed Matter Phys, Beijing 100080, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2001年 / 78卷 / 18期
关键词：
D O I：
10.1063/1.1369616
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The low temperature specific heat of Zr41Ti14Cu12.5Ni10Be22.5 alloys in glassy and crystalline states has been investigated. The glassy state of the alloy shows much larger specific heat than that of the crystalline state. The density of states at the Fermi level and Debye temperatures, theta (D) of the alloys are determined. It is found that the density of states at the Fermi level for the glassy state is higher than that for crystalline state, the phenomenon is interpreted by localization of electrons in the glassy alloy. A much smaller value of theta (D) in the glassy state indicates marked soften transverse phonons compared to its corresponding crystalline state. (C) 2001 American Institute of Physics.
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页码：2697 / 2699
页数：3
相关论文
共 17 条
[1]   Particle size and interfacial effect on the specific heat of nanocrystalline Fe [J].
Bai, HY ;
Luo, JL ;
Jin, D ;
Sun, JR .
JOURNAL OF APPLIED PHYSICS, 1996, 79 (01) :361-364
[2]   Mechanical properties of tungsten and steel fiber reinforced Zr41.25Ti13.75Cu12.5Ni10Be22.5 metallic glass matrix composites [J].
Conner, RD ;
Dandliker, RB ;
Johnson, WL .
ACTA MATERIALIA, 1998, 46 (17) :6089-6102
[3]  
Debye P, 1912, ANN PHYS-BERLIN, V39, P789
[4]  
GOLDING B, 1972, PHYS REV LETT, V29, P68, DOI 10.1103/PhysRevLett.29.68
[5]  
GOPAL ESR, 1966, SPECIFIC HEATS LOW T, P49
[6]   LOW-TEMPERATURE PROPERTIES OF A SUPERCONDUCTING DISORDERED METAL [J].
GRAEBNER, JE ;
GOLDING, B ;
SCHUTZ, RJ ;
HSU, FSL ;
CHEN, HS .
PHYSICAL REVIEW LETTERS, 1977, 39 (23) :1480-1483
[7]   METALLIC GLASSES [J].
GREER, AL .
SCIENCE, 1995, 267 (5206) :1947-1953
[8]   HIGH-STRENGTH BULK AMORPHOUS-ALLOYS WITH LOW CRITICAL COOLING RATES [J].
INOUE, A .
MATERIALS TRANSACTIONS JIM, 1995, 36 (07) :866-875
[9]   Fundamental aspects of bulk metallic glass formation in multicomponent alloys [J].
Johnson, WL .
METASTABLE, MECHANICALLY ALLOYED AND NANOCRYSTALLINE MATERIALS, PTS 1 AND 2, 1996, 225 :35-49
[10]   A UNIFIED APPROACH TO SOLID-STATE AMORPHIZATION AND MELTING [J].
LAM, NQ ;
OKAMOTO, PR .
MRS BULLETIN, 1994, 19 (07) :41-46
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