Magnetization dynamics of the ferrimagnet CoGd near the compensation of magnetization and angular momentum

Binder, M. and Weber, A. and Mosendz, O. and Woltersdorf, G. and Izquierdo, M. and Neudecker, I. and Dahn, J. R. and Hatchard, T. D. and Thiele, J. -U. and Back, Christian H. and Scheinfein, M. R. (2006) Magnetization dynamics of the ferrimagnet CoGd near the compensation of magnetization and angular momentum. PHYSICAL REVIEW B, 74 (13): 134404. ISSN 2469-9950, 2469-9969

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Abstract

Magnetization dynamics in alloys of ferrimagnetic CoGd have been studied in the vicinity of the magnetization and angular momentum compensation point as a function of alloy composition and temperature. In agreement with standard mean-field treatments of the dynamics of the total magnetization we observe an increase of the precessional frequency and the effective damping parameter near the angular momentum compensation point. We demonstrate the consistency of the magnetization dynamics extracted from frequency domain methods such as ferromagnetic resonance and time resolved laser pump-probe measurements.

Item Type: Article
Uncontrolled Keywords: ELECTRONIC-STRUCTURE; PHOTOEMISSION; FREQUENCY; FIELD;
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Experimental and Applied Physics > Chair Professor Back > Group Christian Back
Depositing User: Dr. Gernot Deinzer
Date Deposited: 25 Jan 2021 11:20
Last Modified: 25 Jan 2021 11:20
URI: https://pred.uni-regensburg.de/id/eprint/33988

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