Excitations in the Ordered and Paramagnetic States of Honeycomb Magnet

W Yao, K Iida, K Kamazawa, Y Li - Physical Review Letters, 2022 - APS
Na 2 Co 2 TeO 6 is a proposed approximate Kitaev magnet, yet its actual magnetic
interactions are elusive due to a lack of knowledge on the full excitation spectrum. Here …

Characterizing the diffuse continuum excitations in the classical spin liquid

J Lass, EY Lenander, KML Krighaar, TN Tošić… - Physical Review B, 2024 - APS
We extend previous inelastic neutron scattering results on the geometrically frustrated
antiferromagnet hexagonal-YMnO 3, which has been suggested to belong to the class of …

[HTML][HTML] MJOLNIR: A software package for multiplexing neutron spectrometers

J Lass, H Jacobsen, DG Mazzone, K Lefmann - SoftwareX, 2020 - Elsevier
Novel multiplexing triple-axis neutron scattering spectrometers yield significant
improvements to the common triple-axis concept. While the planar scattering geometry …

Weak trimerization in the frustrated two-dimensional triangular Heisenberg antiferromagnet

S Yano, CW Wang, JS Gardner, WT Chen, K Iida… - Physical Review B, 2023 - APS
To understand the 2D triangular Heisenberg antiferromagnetic system, we investigated the
magnetic structures and the dynamics of Lu y Y 1− y MnO 3 in detail. The substitutions are …

Origin of correlated diffuse scattering in the hexagonal manganites

TN Tošić, PP Deen, A Simonov, NA Spaldin - Physical Review Research, 2024 - APS
We use a combination of first-principles density-functional calculations and spin-dynamics
simulations to explain the unusual diffuse inelastic neutron scattering in the hexagonal …

Spin reorientation and interplanar interactions of the two-dimensional triangular-lattice Heisenberg antiferromagnets and

S Yano, J Yang, K Iida, CW Wang, AG Manning, D Ueta… - Physical Review B, 2024 - APS
This study explored the magnetic properties and dynamics of two, two-dimensional (2D)
triangular-lattice Heisenberg antiferromagnets (2D-TLHAF), h-(Lu, Y) MnO 3 and h-(Lu, Sc) …

Diffuse spin waves and classical spin liquid behavior in the kagomé antiferromagnet chromium jarosite,

S Holm-Janas, SL Lolk, ABA Andersen, T Guidi… - Physical Review B, 2023 - APS
The dynamics of the S= 3/2 kagomé antiferromagnet chromium jarosite, KCr 3 (OD) 6 (SO 4)
2, was studied using high-resolution neutron time-of-flight spectroscopy on a polycrystalline …

[HTML][HTML] Sourcing and reducing sample environment background in low-temperature high-pressure neutron scattering experiments

Z Ma, J Lass, DG Mazzone, G Simutis… - Nuclear Instruments and …, 2024 - Elsevier
Neutron scattering in high-pressure environments offers unique opportunities to measure
the physical properties of matter but faces challenges due to low signal intensity and high …

Pressure-induced charge-transfer and structural transition in hexagonal multiferroic

M Ottesen, E Ehrenreich-Petersen, CH Kronbo… - Physical Review B, 2023 - APS
The structural properties of the hexagonal multiferroic h-HoMnO 3 under high pressure have
been explored using synchrotron x-ray diffraction and x-ray absorption spectroscopy in …

[PDF][PDF] Extending MIEZE spectroscopy towards thermal wavelengths

JK Jochum, C Franz, T Keller… - Journal of Applied …, 2022 - journals.iucr.org
A modulation of intensity with zero effort (MIEZE) setup is proposed for high-resolution
neutron spectroscopy at momentum transfers up to 3 Å− 1, energy transfers up to 20 meV …