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H-T Phase Diagram of Magnetic Semiconductor Thin Films - Experiment

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Lubecka M., Maksymowicz L. J., Szymczak R., Powroźnik W.

Acta Physica Polonica A

1997

vol. 92

issue 2

433-436

We used the irreversibilities between the field cooled and zero field cooled dc magnetization to determine the field and composition dependence of the spin-glass freezing temperature in CdCr_{2}Se_{4} : In (REE) and CdCr_{2-2x}In_{2x}Se_{4} (0.15 ≤ x ≤ 0.35) (SG) thin films. The H-T phase diagram of samples with REE has two instability lines: the Gabay-Toulouse-type (G-T) and the De Almeida-Thouless-type (A-T) while samples in SG state are characterized by the A-T line. The A-T line of thin films was used for calculation the normalised internal magnetic field h_{m} of infinite spin clusters with long range ordering.

Dependence of the SWR Linewidth on the Wavevector in Amorphous Thin Films

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Maksymowicz L. J., Iskhakov R. S., Temple D., Żuberek R., Department od Physics and Electron Technology I. o. E., USSR Academy of Sciences P. I. K., Institute of Physics P. A. o. S.

Acta Physicae Superficierum

1990

vol. 1

Work supported in part by the Central Research Project 01.08.B.

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1 Acta Physica Polonica A

1 Acta Physicae Superficierum

1 1997

1 1990

2 Maksymowicz L. J.

1 Department od Physics and Electron Technology I. o. E.

1 Institute of Physics P. A. o. S.

1 Iskhakov R. S.

1 Lubecka M.

1 Powroźnik W.

1 Szymczak R.

1 Temple D.

1 USSR Academy of Sciences P. I. K.

1 Żuberek R.

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H-T Phase Diagram of Magnetic Semiconductor Thin Films - Experiment

Dependence of the SWR Linewidth on the Wavevector in Amorphous Thin Films