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SPIN-POLARIZED SPLITTINGS IN TEMPERATURE-DEPENDENT REFLECTANCE OF EUO

被引：49
作者：
FEINLEIB, J
SCOULER, WJ
DIMMOCK, JO
HANUS, J
REED, TB
PIDGEON, CR
机构：
[1] Lincoln Laboratory, Massachusetts Institute of Technology, Lexington
[2] Francis Bitter National Magnet Laboratory, Massachusetts Institute of Technology, Cambridge
来源：
PHYSICAL REVIEW LETTERS | 1969年 / 22卷 / 25期
关键词：
D O I：
10.1103/PhysRevLett.22.1385
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The reflectance of EuO from above the Curie point at 69°K down to 1.5°K shows splittings in the two main peaks near 1.5 and 4.7 eV. The first peak is a polarization-dependent triplet at 1.5°K and a doublet at 70°K. The data suggest that the 1.5-eV peak is associated with the absorption edge and arises from the transition 4f7(S728)→4f6(FJ7)5d(t2g). The narrow t2g sub-band is exchange split by 0.25 eV at low temperatures. © 1969 The American Physical Society.
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页码：1385 / +
页数：1
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