The high field magnetisation of the mixed-valence system HgSe:Fe
β Scribed by U. Zeitler; S.A.J. Wiegers; M.R.C. Overkamp; A. Wittlin; J.C. Maan; W. Dobrowolski; A. Mycielski
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 200 KB
- Volume
- 211
- Category
- Article
- ISSN
- 0921-4526
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Fe hlijssbauer spectra (300 and 4.2"Kl h:lve been determined I"OI dioxidized [Fc(lII)Fe(IIl)] b~&rrocenylent'; rt large quadrupole splitting (2.S9 mm/see at 300Β°K) was interpreted in tern-s of cxtensivc dclocdlization of e~c ekerrons resultant from an Fe-Fe bonciing inrcraction. Mijssbnuer and elect
Applying pulsed magnetic fields up to 150T, we have studied infrared and far-infrared properties of HgSe and its semimagnetic modification Hg(Fe)Se (Nve =2 x 1019cm-3). The observed spectra are discussed with respect to the relevance of Fe-impurity states, which-despite their crucial influence on ch