Magnetic order in Tb${}_2$Sn${}_2$O${}_7$ under high pressure: from ordered spin ice to spin liquid and antiferromagnetic order

Abstract

We have studied the Tb${}_2$Sn${}_2$O${}_7$ frustrated magnet by neutron diffraction under isotropic pressure of 4.6 GPa, combined with uniaxial pressure of 0.3 GPa, in the temperature range 0.06 K$<$T$<$100 K. Magnetic order persists under pressure but the ordered spin ice structure stabilized at ambient pressure below 1.3 K partly transforms into an antiferromagnetic one. The long range ordered moment at 0.06 K is reduced under pressure, which is interpreted by a pressure induced enhancement of the spin liquid fluctuations. Above the ordering transition, short range spin correlations are affected by pressure, and ferromagnetic correlations are suppressed. The influence of pressure on the ground state is discussed considering both isotropic and stress effects.

4 pages, 4 figures

References in corpus (4)

• Magnetic Monopoles in Spin Ice
• Spin dynamics and magnetic order in magnetically frustrated Tb2Sn2O7
• Structural Fluctuations in the Spin Liquid State of Tb2Ti2O7
• Direct evidence for a dynamical ground state in the highly frustrated Tb${}_2$Sn${}_2$O${}_7$ pyrochlore

Cited by in corpus (4)

• Ground State Phase Diagram of Generic XY Pyrochlore Magnets with Quantum Fluctuations
• Low temperature dynamic freezing and the fragility of ordering in Tb2Sn2O7
• Soft dipolar spin ice physics and the ordered phase of the frustrated Tb2Sn2O7 pyrochlore magnet
• Emergence of a Fluctuating Ground State in Y-kapellasite under Pressure