PHONON ANOMALIES IN TRANSITION-METAL NITRIDES - ZRN

被引：53

作者：

CHRISTENSEN, AN

DIETRICH, OW

KRESS, W

TEUCHERT, WD

机构：

[1] RISO NATL LAB, DEPT PHYS, DK-4000 ROSKILDE, DENMARK

[2] MAX PLANCK INST FESTKORPERFORSCH, D-7000 STUTTGART, FED REP GER

[3] TECH UNIV MUNICH, DEPT PHYS E21, D-8000 MUNICH 2, FED REP GER

来源：

PHYSICAL REVIEW B | 1979年 / 19卷 / 11期

关键词：

D O I：

10.1103/PhysRevB.19.5699

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The phonon dispersion curves in superconducting ZrN have been measured in the highsymmetry directions Δ and Λ by coherent inelastic neutron scattering at room temperature. Anomalies in the dispersion of the acoustic branches have been detected which are similar to those reported already for the superconducting transition-metal carbides and for TiN. The experimental results are well reproduced by a double-shell model which has also been used to calculate the phonon density of states. The calculated density is in good agreement with the results of time-of-flight measurements and with recent Raman data. © 1979 The American Physical Society.

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收藏

页码：5699 / 5703

页数：5

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