| Issue |
Europhys. Lett.
Volume 53, Number 3, February 2001
|
|
|---|---|---|
| Page(s) | 378 - 382 | |
| Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
| DOI | https://doi.org/10.1209/epl/i2001-00164-y | |
| Published online | 01 December 2003 | |
Giant diamagnetism in 
selenides up to 310 K
Université d'Ottawa - 150, Louis Pasteur, K1N 6N5, Canada
Corresponding authors: glamarch@science.uottawa.ca francois.lamarche@lecroy.com
Received:
23
August
2000
Accepted:
22
November
2000
Giant diamagnetism, with values to 
, was observed from 4.2 K to 310 K
in selenides of monoclinic NiAs structure prepared with stoichiometries 
, u = 0.1 to 1.0. A positive component due to magnetic order of the spins was
present from 4.2 K to about 65 K-150 K, depending on the sample. The magnetic order was minimized
by doping with 
. Another sample doped with Ga and Ge gave a decrease in the
slope of negative susceptibility vs
starting at 220 K and thus an increase in the
range of diamagnetism to well over ambient temperature.
PACS: 75.20.-g – Diamagnetism and paramagnetism / 74.72.-h – High-
compounds
© EDP Sciences, 2001
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