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Thermodynamic investigations in the precursor region of FeGe

DOI: 10.1002/pssb.201200632 DOI Help

Authors: L. Cevey (The Hong Kong University of Science and Technology) , Heribert Wilhelm (Diamond Light Source) , M. Schmidt (Max Planck Institute for Chemical Physics of Solids) , R. Lortz (The Hong Kong University of Science and Technology)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Physica Status Solidi (b) , VOL 250 (3) , PAGES 650 - 653

State: Published (Approved)
Published: March 2013

Abstract: High-resolution DC magnetization and AC-specific-heat data of the cubic helimagnet FeGe have been measured as function of temperature and magnetic field. The magnetization data as well as the isothermal susceptibility data confirm the complexity of the magnetic phase diagram in the vicinity of the onset of long-range magnetic order (Tc = 278.5 K) and the existence of a segmented A-phase region. Moreover, these data revealed independent and clear indications of phase boundaries and crossovers within the A-phase region. Together with the anomalies in the specific-heat data around Tc and at small magnetic fields (H < 600 Oe) a complex magnetic phase diagram of FeGe is obtained.

Journal Keywords: Skyrmion; Fege; A-Phase Region; Percursor Effects

Subject Areas: Physics, Materials


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