Related Experiment Video
Updated: Jul 10, 2026

High Pressure Single Crystal Diffraction at PX^2
Published on: January 16, 2017
Pressure-induced crystallization of a spin liquid
I Mirebeau1, I N Goncharenko, P Cadavez-Peres
1Laboratoire Léon Brillouin, CEA-CNRS, CE Saclay, 91191 Gif sur Yvette, France. mirebea@llb.saclay.cea.fr
Geometrically frustrated magnets, unlike normal magnets, can remain in a liquid-like state. High pressure transforms this spin liquid state into a mixture of solid-like order and liquid-like fluctuations.
Area of Science:
- Condensed Matter Physics
- Quantum Materials
- Magnetism
Background:
- Atomic magnetic moments (spins) typically order at low temperatures.
- Geometrically frustrated magnets exhibit unusual spin behavior due to lattice symmetry preventing simultaneous minimization of interactions.
- These frustrated systems can maintain a liquid-like state of fluctuating spins below their characteristic temperature (Curie-Weiss temperature, θCW).
Purpose of the Study:
- To investigate the effect of high pressure on the spin liquid state of the geometrically frustrated magnet Tb2Ti2O7.
- To observe the spin dynamics and ordering behavior under extreme conditions.
Main Methods:
- Neutron scattering experiments were performed on Tb2Ti2O7.
- Measurements were conducted under high pressure (approximately 9 GPa) and low temperature (approximately 1 K).
Main Results:
- At ambient pressure, Tb2Ti2O7 exhibits a spin liquid state down to 70 mK.
- Under approximately 9 GPa and 1 K, spins in Tb2Ti2O7 begin to order below 2.1 K.
- Antiferromagnetic order was observed to coexist with persistent liquid-like spin fluctuations.
Conclusions:
- High pressure can induce a transition from a pure spin liquid state to a mixed spin liquid/solid state in geometrically frustrated magnets.
- This pressure-induced transition highlights the sensitivity of spin states to external conditions in frustrated magnetic systems.
More Related Videos
06:26Orientational Transition in a Liquid Crystal Triggered by the Thermodynamic Growth of Interfacial Wetting Sheets
Published on: May 15, 2017
07:48An Externally-Heated Diamond Anvil Cell for Synthesis and Single-Crystal Elasticity Determination of Ice-VII at High Pressure-Temperature Conditions
Published on: June 18, 2020
Related Concept Videos
Intermolecular Forces
Intermolecular Forces
Recrystallization: Solid–Solution Equilibria
Crystal Growth: Principles of Crystallization
Initiating crystallization involves manipulating the concentration of the solute and the temperature of the solution. Since crystal growth occurs when the ratio of concentration and solubility of the solute in the solvent – the...
Excess Pressure Inside a Drop and a Bubble
Crystal Density