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Journal Article

Field-induced staggered magnetization and magnetic ordering in Cu2(C5H12N2)2Cl4

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Berthier,  C.
High Magnetic Field Laboratory, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Horvatić,  M.
High Magnetic Field Laboratory, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Mila,  F.
Department Quantum Materials (Hidenori Takagi), Max Planck Institute for Solid State Research, Max Planck Society;

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Citation

Clémancey, M., Mayaffre, H., Berthier, C., Horvatić, M., Fouet, J. B., Miyahara, S., et al. (2006). Field-induced staggered magnetization and magnetic ordering in Cu2(C5H12N2)2Cl4. Physical Review Letters, 97(16): 167204.


Cite as: https://hdl.handle.net/21.11116/0000-000E-B49D-6
Abstract
We present a D-2 NMR investigation of the gapped spin-1/2 compound Cu-2(C5H10N2D2)(2)Cl-4. Our measurements reveal the presence of a magnetic field-induced transverse staggered magnetization (TSM) which persists well below and above the field-induced 3D long-range magnetically ordered (FIMO) phase. The symmetry of this TSM is different from that of the TSM induced by the order parameter of the FIMO phase. Its origin, field dependence, and symmetry can be explained by an intradimer Dzyaloshinskii-Moriya interaction, as shown by DMRG calculations on a spin-1/2 ladder. This leads us to predict that the transition into the FIMO phase is not in the BEC universality class.