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High Field Magnetization of Sn_{1-x}Gd_{x}Te

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Górska M., Anderson J., Wolters C., Łusakowski A., Story T., Gołacki Z.

Acta Physica Polonica A

1998

vol. 94

issue 2

347-350

The magnetization of p-type Sn_{1-x}Gd_{x}Te with x up to 0.045 and the hole concentration, p, varying from 2.7 to 8.3×10^{20} cm^{-3} has been measured in magnetic fields up to 27 T, at the temperatures 4.2 and 1.3 K. The data were fitted to a magnetization equation with single-ion and pair terms. From comparison of the exchange parameters determined from the high-field magnetization with those previously obtained from the high-temperature magnetic susceptibility it was found that in samples with p>5×10^{20} cm^{-3} the exchange was of a short-range type, while in samples with a lower carrier concentration the long-range exchange mechanism was observed.

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1 Acta Physica Polonica A

1 1998

1 Anderson J.

1 Gołacki Z.

1 Górska M.

1 Story T.

1 Wolters C.

1 Łusakowski A.

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High Field Magnetization of Sn_{1-x}Gd_{x}Te