Submillimeter and far-infrared study of Gd2CuO4

Mukhin, A. A. and Travkin, V. D. and Gorshunov, B. P. and Lebedev, S. P. and Volkov, A. A. and Kozlov, G. V. and Schutzmann, J. and Renk, Karl F. and Barilo, S. N. (1996) Submillimeter and far-infrared study of Gd2CuO4. FERROELECTRICS, 186 (1). pp. 9-12. ISSN 0015-0193, 1563-5112

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Abstract

Dielectric and magnetic properties of Gd2CuO4 single crystal were investigated by means of FIR reflectivity and submillimeter transmissivity measurements at temperatures 5 - 300 K. Besides the four known E-u optical phonon modes we observed unexpected phonon lines at 104, 136 and 577 cm(-1), which could be caused by structural deformations in the T' phase. The observed behaviour of Cu AFMR mode confirms the existence of the weak ferromagnetic moment and testifies to the strong influence of the Cu-Gd exchange on the magnetic properties of Gd2CuO4.

Item Type: Article
Uncontrolled Keywords: T-PHASE
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Karl F. Renk
Depositing User: Dr. Gernot Deinzer
Date Deposited: 15 Nov 2023 07:12
Last Modified: 15 Nov 2023 07:12
URI: https://pred.uni-regensburg.de/id/eprint/52040

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