PHONON-DISPERSION CURVES AND PHONON LIFETIMES IN CRYSTALLINE AMMONIA

被引:25
作者
DELLAVALLE, RG [1 ]
FRACASSI, PF [1 ]
RIGHINI, R [1 ]
CALIFANO, S [1 ]
WALMSLEY, SH [1 ]
机构
[1] UNIV LONDON UNIV COLL,DEPT CHEM,LONDON WC1H 0AJ,ENGLAND
关键词
D O I
10.1016/0301-0104(79)80118-4
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The theory of lattice dynamics of molecular crystals using atom-atom and multiple-multipole potentials developed in previous papers is extended to take account of anharmonic effects. Calculations of the dispersion curves and the density of states for the harmonic phonons in solid ammonia are presented. The finite phonon lifetimes due to anharmonicity are calculated for the zero wave vector modes and compared with experiment. © 1979.
引用
收藏
页码:189 / 196
页数:8
相关论文
共 8 条
  • [1] RAMAN SPECTRA OF MOLECULAR-CRYSTALS - AMMONIA AND 3-DEUTERO-AMMONIA
    BINBREK, OS
    ANDERSON, A
    [J]. CHEMICAL PHYSICS LETTERS, 1972, 15 (03) : 421 - +
  • [2] Born Max, 1954, DYNAMICAL THEORY CRY
  • [3] GOPAL PS, 1971, 15TH P NUCL PHYS SOL, V3, P457
  • [4] SCATTERING OF NEUTRONS BY AN ANHARMONIC CRYSTAL
    MARADUDIN, AA
    FEIN, AE
    [J]. PHYSICAL REVIEW, 1962, 128 (06): : 2589 - &
  • [5] LATTICE-DYNAMICS OF MOLECULAR-CRYSTALS USING ATOM-ATOM AND MULTIPOLE-MULTIPOLE POTENTIALS
    NETO, N
    RIGHINI, R
    CALIFANO, S
    WALMSLEY, SH
    [J]. CHEMICAL PHYSICS, 1978, 29 (1-2) : 167 - 179
  • [6] LATTICE-DYNAMICS OF CRYSTALLINE AMMONIA AND DEUTERO-AMMONIA
    RIGHINI, R
    NETO, N
    CALIFANO, S
    WALMSLEY, SH
    [J]. CHEMICAL PHYSICS, 1978, 33 (03) : 345 - 353
  • [7] Adiabatic Compressibility of Solid Gases
    Voitovich, E. I.
    Tolkachev, A. M.
    Manzhelii, V. G.
    [J]. JOURNAL OF LOW TEMPERATURE PHYSICS, 1971, 5 (04) : 435 - 446
  • [8] RENORMALIZATION AND STATISTICAL MECHANICS IN MANY-PARTICLE SYSTEMS .I. HAMILTONIAN PERTURBATION METHOD
    WALLACE, DC
    [J]. PHYSICAL REVIEW, 1966, 152 (01): : 247 - &