Low-temperature thermal conductivity of glasses within the soft-potential model

被引:80
作者
Ramos, MA [1 ]
Buchenau, U [1 ]
机构
[1] FORSCHUNGSZENTRUM JULICH, FORSCHUNGSZENTRUM, INST FESTKORPERFORSCH, D-52425 JULICH, GERMANY
来源
PHYSICAL REVIEW B | 1997年 / 55卷 / 09期
关键词
D O I
10.1103/PhysRevB.55.5749
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The low-temperature T-2 rise and the subsequent plateau of the thermal conductivity of glasses allow one to determine two parameters of the phenomenological soft-potential model. The first of these is a weighted average (C) over bar of the dimensionless parameter combinations C-l and C-t which the soft-potential model shares with the tunneling model. The second is the crossover energy W between tunneling states and vibrations. Values of W and (C) over bar obtained from the thermal conductivity of ten different glasses agree within experimental error with those obtained from specific-heat and acoustic-absorption data.
引用
收藏
页码:5749 / 5754
页数:6
相关论文
共 50 条
  • [1] ANOMALOUS LOW-TEMPERATURE THERMAL PROPERTIES OF GLASSES AND SPIN GLASSES
    ANDERSON, PW
    HALPERIN, BI
    VARMA, CM
    [J]. PHILOSOPHICAL MAGAZINE, 1972, 25 (01): : 1 - &
  • [2] [Anonymous], [No title captured]
  • [3] EXPERIMENTAL-EVIDENCE FOR DIRECT INTERACTION BETWEEN 2-LEVEL SYSTEMS IN GLASSES AT VERY LOW-TEMPERATURES
    ARNOLD, W
    HUNKLINGER, S
    [J]. SOLID STATE COMMUNICATIONS, 1975, 17 (07) : 883 - 886
  • [4] HOW UNIVERSAL ARE THE LOW-TEMPERATURE ACOUSTIC PROPERTIES OF GLASSES
    BERRET, JF
    MEISSNER, M
    [J]. ZEITSCHRIFT FUR PHYSIK B-CONDENSED MATTER, 1988, 70 (01): : 65 - 72
  • [5] LOW-TEMPERATURE THERMAL-CONDUCTIVITY AND SPECIFIC-HEAT OF ELASTOMERS
    BHATTACHARYYA, A
    SMITH, TL
    ANDERSON, AC
    [J]. JOURNAL OF NON-CRYSTALLINE SOLIDS, 1979, 31 (03) : 395 - 400
  • [6] ANHARMONIC POTENTIALS AND VIBRATIONAL LOCALIZATION IN GLASSES
    BUCHENAU, U
    GALPERIN, YM
    GUREVICH, VL
    SCHOBER, HR
    [J]. PHYSICAL REVIEW B, 1991, 43 (06) : 5039 - 5045
  • [7] INTERACTION OF SOFT MODES AND SOUND-WAVES IN GLASSES
    BUCHENAU, U
    GALPERIN, YM
    GUREVICH, VL
    PARSHIN, DA
    RAMOS, MA
    SCHOBER, HR
    [J]. PHYSICAL REVIEW B, 1992, 46 (05) : 2798 - 2808
  • [8] Neutron scattering evidence for localized soft modes in amorphous polymers
    Buchenau, U
    Pecharroman, C
    Zorn, R
    Frick, B
    [J]. PHYSICAL REVIEW LETTERS, 1996, 77 (04) : 659 - 662
  • [9] INSTANTANEOUS NORMAL-MODE ANALYSIS OF LIQUID WATER
    CHO, M
    FLEMING, GR
    SAITO, S
    OHMINE, I
    STRATT, RM
    [J]. JOURNAL OF CHEMICAL PHYSICS, 1994, 100 (09) : 6672 - 6683
  • [10] FRUSTRATED INTERACTIONS AND TUNNELING - 2-LEVEL SYSTEMS IN GLASSES
    COPPERSMITH, SN
    [J]. PHYSICAL REVIEW LETTERS, 1991, 67 (17) : 2315 - 2318