TEMPERATURE-DEPENDENT ENERGY SHIFTS IN THE RESONANCE-ABSORPTION AND RESONANCE FLUORESCENCE SCATTERING OF MOSSBAUER GAMMA-QUANTA IN FES2

被引：1

作者：

JEX, H ^{[1
]}

HILLMANN, H ^{[1
]}

MULLNER, M ^{[1
]}

机构：

[1] UNIV FRANKFURT,INST KERNPHYS,W-6000 FRANKFURT 90,GERMANY

来源：

PHYSICA STATUS SOLIDI B-BASIC RESEARCH | 1992年 / 172卷 / 01期

关键词：

D O I：

10.1002/pssb.2221720139

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The relativistic Doppler effect of Mossbauer-gamma-quanta from a Co-57 source is investigated in the resonance absorption of FeS2 powder and in the resonance scattering from the (200) reflection of FeS2 single crystals in the temperature range 298 K less-than-or-equal-to T less-than-or-equal-to 598 K. The shift of resonances is d In omega/dT = -(2.58 +/- 0.07) x 10(-15) K-1, while the quadrupole splitting dE(Q) = (633 +/- 9) mu-m/s is temperature independent. Single crystal data exhibit an unexpected additional broadening of one quadrupole resonance, which originates in an interference of nuclear resonance and electronic Rayleigh scattering.

引用

页码：453 / 460

页数：8

共 18 条

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