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24 April 2024 |
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Article overview
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Magneto-structural transitions in a frustrated magnet at high fields | | V. Tsurkan
; S. Zherlitsyn
; V. Felea
; S. Yasin
; Yu. Skourski
; J. Deisenhofer
; H.-A. Krug von Nidda
; P. Lemmens
; J. Wosnitza
; A. Loidl
; | | Date: |
26 May 2011 | | Abstract: | Ultrasound and magnetization studies of bond-frustrated ZnCr2S4 spinel are
performed in static magnetic fields up to 18 T and in pulsed fields up to 62 T.
At temperatures below the antiferromagnetic transition at T_N1 14 K the sound
velocity as function of magnetic field reveals a sequence of steps followed by
plateaus indicating a succession of crystallographic structures with constant
stiffness. At the same time, the magnetization evolves continuously with field
up to full magnetic polarization without any plateaus in contrast to
geometrically frustrated chromium oxide spinels. The observed high-field
magneto-structural states are discussed within a H-T phase diagram taking into
account the field and temperature evolution of three coexisting spin structures
and subsequent lattice transformations induced by magnetic field. | | Source: | arXiv, 1105.5220 | | Services: | Forum | Review | PDF | Favorites | |
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