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Magnetic properties of Tl Cu 2 − x Fe x Se 2 crystals
The magnetic properties of two compositions of random solutions in the Tl Cu 2 − x Fe x Se 2 system with x = 0.2 and 0.45 have been investigated by superconducting quantum interference device magnetometry. The crystal structure is of a layer type and ordering due to the iron atoms occurs at low temp...
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| Published in: | Journal of applied physics 2005-05, Vol.97 (10), p.10B311-10B311-3 |
|---|---|
| Main Authors: | , , , |
| Format: | Article |
| Language: | |
| Citations: | Items that this one cites |
| Online Access: | Get full text |
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| Summary: | The magnetic properties of two compositions of random solutions in the
Tl
Cu
2
−
x
Fe
x
Se
2
system with
x
=
0.2
and 0.45 have been investigated by superconducting quantum interference device magnetometry. The crystal structure is of a layer type and ordering due to the iron atoms occurs at low temperatures, with
T
c
=
85
K
for
x
=
0.2
and
T
c
=
130
K
for
x
=
0.45
. The samples were highly textured crystals and the magnetic moments of both compositions were found to align along the
c
axis of the structure. The saturation moments were found to be
1.5
μ
B
∕
Fe
for
x
=
0.2
and
0.66
μ
B
∕
Fe
for
x
=
0.45
. |
|---|---|
| ISSN: | 0021-8979 1089-7550 |
| DOI: | 10.1063/1.1854434 |