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On the nature of the carriers in ferromagnetic FeSe.
- Source :
- Applied Physics Letters; 3/12/2007, Vol. 90 Issue 11, p112105-1, 3p, 3 Graphs
- Publication Year :
- 2007
-
Abstract
- The optical and electrical properties of FeSe thin films are studied by both optical absorption and Hall measurements, which suggest that ferromagnetic FeSe is a metal instead of a semiconductor. No absorption gap is observed in the whole spectrum range from far infrared to ultraviolet. Temperature dependent transport measurement indicates that FeSe has a resistivity about 10<superscript>-3</superscript> Ω cm. It is also found that there is a transition from n-type conductivity at low temperatures to p-type conductivity at higher temperatures in FeSe, which is attributed to the two-carrier transport nature and the thermal activation of localized carriers in the thin film. [ABSTRACT FROM AUTHOR]
- Subjects :
- FERROMAGNETISM
MAGNETISM
THIN films
SEMICONDUCTORS
SPECTRUM analysis
TEMPERATURE
Subjects
Details
- Language :
- English
- ISSN :
- 00036951
- Volume :
- 90
- Issue :
- 11
- Database :
- Complementary Index
- Journal :
- Applied Physics Letters
- Publication Type :
- Academic Journal
- Accession number :
- 24482267
- Full Text :
- https://doi.org/10.1063/1.2712497