Vibrational fingerprints of ferroelectric HfO2

S Fan, S Singh, X Xu, K Park, Y Qi, SW Cheong… - npj Quantum …, 2022 - nature.com
Hafnia (HfO2) is a promising material for emerging chip applications due to its high-κ
dielectric behavior, suitability for negative capacitance heterostructures, scalable …

Discovery of quantum phases in the Shastry-Sutherland compound SrCu2(BO3)2 under extreme conditions of field and pressure

Z Shi, S Dissanayake, P Corboz, W Steinhardt… - Nature …, 2022 - nature.com
The 2-dimensional layered oxide material SrCu2 (BO3) 2, long studied as a realization of
the Shastry-Sutherland spin topology, exhibits a range of intriguing physics as a function of …

Fiber Bragg grating dilatometry in extreme magnetic field and cryogenic conditions

M Jaime, C Corvalán Moya, F Weickert, V Zapf… - Sensors, 2017 - mdpi.com
In this work, we review single mode SiO2 fiber Bragg grating techniques for dilatometry
studies of small single-crystalline samples in the extreme environments of very high …

Plaquette singlet transition, magnetic barocaloric effect, and spin supersolidity in the Shastry-Sutherland model

J Wang, H Li, N Xi, Y Gao, QB Yan, W Li, G Su - Physical Review Letters, 2023 - APS
Inspired by recent experimental measurements [Guo et al., Phys. Rev. Lett. 124, 206602
(2020 PRLTAO 0031-9007 10.1103/PhysRevLett. 124.206602); Jiménez et al., Nature …

Quantum spin liquid phase in the Shastry-Sutherland model detected by an improved level spectroscopic method

L Wang, Y Zhang, AW Sandvik - Chinese Physics Letters, 2022 - iopscience.iop.org
Abstract We study the spin-1/2 two-dimensional Shastry–Sutherland spin model by exact
diagonalization of clusters with periodic boundary conditions, developing an improved level …

Piezomagnetism and magnetoelastic memory in uranium dioxide

M Jaime, A Saul, M Salamon, VS Zapf… - Nature …, 2017 - nature.com
The thermal and magnetic properties of uranium dioxide, a prime nuclear fuel and
thoroughly studied actinide material, remain a long standing puzzle, a result of strong …

Magnetoelastic interaction in the two-dimensional magnetic material MnPS3 studied by first principles calculations and Raman experiments

D Vaclavkova, A Delhomme, C Faugeras… - 2D …, 2020 - iopscience.iop.org
We report experimental and theoretical studies on the magnetoelastic interactions in MnPS
3. Raman scattering response measured as a function of temperature shows a blue shift of …

Crystallization of spin superlattices with pressure and field in the layered magnet SrCu2(BO3)2

S Haravifard, D Graf, AE Feiguin, CD Batista… - Nature …, 2016 - nature.com
An exact mapping between quantum spins and boson gases provides fresh approaches to
the creation of quantum condensates and crystals. Here we report on magnetization …

Quantum many-body attractors

B Buca, A Purkayastha, G Guarnieri… - arXiv preprint arXiv …, 2020 - arxiv.org
Dynamical symmetries are algebraic constraints on quantum dynamical systems, which are
often responsible for persistent temporal periodicity of observables. In this work, we discuss …

Direct Observation of the Quantum Phase Transition of SrCu2(BO3)2 by High-Pressure and Terahertz Electron Spin Resonance

T Sakurai, Y Hirao, K Hijii, S Okubo, H Ohta… - journal of the physical …, 2018 - journals.jps.jp
High-pressure and high-field electron spin resonance (ESR) measurements have been
performed on a single crystal of the orthogonal-dimer spin system SrCu2 (BO3) 2. With …