Dresden 2020 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 3: Complex Oxides: Bulk Properties (joint session TT/HL/MA)

TT 3.1: Vortrag

Montag, 16. März 2020, 09:30–09:45, HSZ 201

Single-crystal growth and magnetic phase diagram of TbFeO3 — •Alexander Engelhardt1, Georg Benka1, Christian Oberleitner1, Andreas Bauer1, Andreas Erb2, and Christian Pfleiderer11Physik Department E51, Technische Universität München, 85748 Garching, Germany — 2Walther-Meißner-Institut, Walther-Meißner-Str. 8, 85748 Garching, Germany

Single crystals of the multiferroic rare earth orthoferrite TbFeO3 were synthesized by means of optical float-zoning. The magnetization, the longitudinal and the transverse ac susceptibility, as well as the specific heat were measured at low temperatures under large applied magnetic fields to determine the complex, anisotropic magnetic phase diagram of TbFeO3 along the three major crystallographic axes. Taken together, our data are consistent with previous studies reported in the literature. As a new result we identify clear evidence in the bulk properties of the formation of a soliton lattice in a small temperature range, so far observed by means of neutron scattering only.

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