ELECTRON-SPIN RELAXATION STUDIES OF IMPURITY IRON IONS IN FERROELECTRIC LITHIUM-NIOBATE

被引：3

作者：

DATE, SK ^{[1
]}

KEUNE, W ^{[1
]}

GONSER, U ^{[1
]}

机构：

[1] UNIV SAARLAND,FACHBEREICH ANGEW PHYS,D-6600 SAARBRUCKEN,FED REP GER

来源：

HYPERFINE INTERACTIONS | 1979年 / 7卷 / 05期

关键词：

D O I：

10.1007/BF01021520

中图分类号：

O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];

学科分类号：

070203 ; 070304 ; 081704 ; 1406 ;

摘要：

The nuclear hyperfine structure of dilute impurity iron ions in ferroelectric lithium niobate is investigated via57Fe Mössbauer effect (ME). The ME spectra exhibit typical slow electron spin relaxation effects associated with Fe3+ ions in the6S5/2 state, which are analysed using spin-Hamiltonian formalism. For Fe3+ ions, the principal axis of EFG tensor is found to be parallel to the crystallographic c-axis. The strong external magnetic field of 47 KOe is used to study magnetic and crystal field effects on the ME hyperfine structure. © 1979 North-Holland Publishing Company.

引用

页码：369 / 375

页数：7

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