| Issue |
Europhys. Lett.
Volume 58, Number 3, May 2002
|
|
|---|---|---|
| Page(s) | 442 - 447 | |
| Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
| DOI | https://doi.org/10.1209/epl/i2002-00658-6 | |
| Published online | 01 August 2002 | |
Gadolinium trihydride —A new magnetoresistive semiconductor
1
Department of Materials Physics, Royal Institute of Technology
100 44, Stockholm, Sweden
2
Department of Materials Science, The ngström
Laboratory, Uppsala University P.O. Box 534, 751 21 Uppsala, Sweden
3
Department of Solid State Physics, Royal Institute of Technology
100 44, Stockholm, Sweden
Received:
6
August
2001
Accepted:
14
February
2002
Large negative magnetoresistance and magnetisation anomalies are found
in epitaxial GdH
films. The zero-field semiconductor-like
behavior in the resistivity is completely suppressed at a magnetic
field of 
. Temperature and field dependence of the
magnetisation supports short-range ordering in the paramagnetic host,
mediated by the vacancy state of trihydride.
PACS: 75.50.Pp – Magnetic semiconductors / 75.30.Vn – Colossal magnetoresistance / 72.20.Ee – Mobility edges; hopping transport
© EDP Sciences, 2002
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