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http://dx.doi.org/10.1098/rsta.2015.0314 | DOI Listing |
ACS Appl Mater Interfaces
September 2025
School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, London E1 4NS, U.K.
Lead-free electroceramics have attracted significant research interest as alternatives to lead-containing systems due to concerns related to lead's toxicity to human health and the environment. Solid solutions based on bismuth sodium titanate (BNT) and barium titanate (BT), particularly those with compositions near the morphotropic phase boundary (MPB), such as 0.94 BiNaTiO-0.
View Article and Find Full Text PDFPhys Rev Lett
August 2025
Hokkaido University, Graduate School of Science, Sapporo 060-0810, Japan.
We have performed careful measurements of nonlinear transverse conductivity (NLTC) at zero field in the intermetallic compound HoAgGe with two distinct magnetic toroidal (MT) structures. Below 7 K (MT1 phase), the NLTC signal becomes observable and significantly increases with decreasing temperature, whereas between 7 and 11.6 K (MT2 phase), it remains nearly zero.
View Article and Find Full Text PDFPhys Rev Lett
August 2025
East China Normal University, Key Laboratory of Polar Materials and Devices (MOE), School of Physics and Electronic Science, Shanghai 200241, China.
The far-from-equilibrium dynamics of certain interacting quantum systems still defy precise understanding. One example is the so-called quantum many-body scars (QMBSs), where a set of energy eigenstates evade thermalization to give rise to long-lived oscillations. Despite the success of viewing scars from the perspectives of symmetry, commutant algebra, and quasiparticles, it remains a challenge to elucidate the mechanism underlying all QMBS and to distinguish them from other forms of ergodicity breaking.
View Article and Find Full Text PDFPhys Rev Lett
August 2025
Max Planck Institute for Chemical Physics of Solids, 01187 Dresden, Germany.
Quasi-one-dimensional magnets can host an ordered longitudinal spin-density wave state (LSDW) in magnetic field at low temperature, when longitudinal correlations are strengthened by Ising anisotropies. In the S=1/2 Heisenberg antiferromagnet YbAlO_{3} this happens via Ising-like interchain interactions. Here, we report the first experimental observation of magnetization plateaux at 1/5 and 1/3 of the saturation value via thermal transport and magnetostriction measurements in YbAlO_{3}.
View Article and Find Full Text PDFJ Am Chem Soc
September 2025
Division of Chemistry and Chemical Engineering, Arthur Amos Noyes Laboratory of Chemical Physics, California Institute of Technology, Pasadena, California 91125, United States.
Coherent electron spin states within paramagnetic molecules hold significant potential for microscopic quantum sensing. However, all-optical coherence measurements amenable to high spatial and temporal resolution under ambient conditions remain a significant challenge. Here we conduct room-temperature, picosecond time-resolved Faraday ellipticity/rotation (TRFE/R) measurements of the electron spin decoherence time in [IrBr].
View Article and Find Full Text PDF