INVESTIGATION OF V3+ ION-PAIRS IN AL2O3 BY PHONON SPECTROSCOPY

被引：5

作者：

HASAN, FI

KING, PJ

MURPHY, DT

RAMPTON, VW

机构：

[1] Department of Physics, University of Nottingham, Nottingham NG7 2RD, University Park

来源：

JOURNAL OF PHYSICS C-SOLID STATE PHYSICS | 1979年 / 12卷 / 13期

关键词：

D O I：

10.1088/0022-3719/12/13/005

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The phonon transmission spectra of single crystals of Al2O 3 containing V3+ ions have been measured with a superconducting tunnel-junction phonon spectrometer over the range 3-24 cm -1. In more concentrated samples it was found that the single-ion absorption at 8.3 cm-1 has three satellite lines and these are interpreted as arising from phonon absorption by V3+ pairs. The positions of these lines can be fitted by an isotropic exchange Hamiltonian with J=3.46 and 1.86 cm-1.

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页码：L513 / L516

页数：4

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