Magnetic Structures of NaFePO4 Maricite and Triphylite Polymorphs for Sodium-Ion Batteries

M Avdeev, Z Mohamed, CD Ling, J Lu… - Inorganic …, 2013 - ACS Publications
The magnetic structure and properties of polycrystalline NaFePO4 polymorphs, maricite and
triphylite, both derived from the olivine structure type, have been investigated using …

Nonvolatile Switching of Large Nonreciprocal Optical Absorption at Shortwave Infrared Wavelengths

K Kimura, T Kimura - Physical Review Letters, 2024 - APS
We report large nonreciprocal optical absorption at shortwave infrared (SWIR) wavelengths
in the magnetoelectric (ME) antiferromagnet (AFM) LiNiPO 4. The difference in absorption …

Tuning magnetoelectricity in a mixed-anisotropy antiferromagnet

E Fogh, B Klemke, M Reehuis, P Bourges… - Nature …, 2023 - nature.com
Control of magnetization and electric polarization is attractive in relation to tailoring materials
for data storage and devices such as sensors or antennae. In magnetoelectric materials …

Anomalous magnetic structure and spin dynamics in magnetoelectric

R Toft-Petersen, M Reehuis, TBS Jensen… - Physical Review B, 2015 - APS
We report significant details of the magnetic structure and spin dynamics of LiFePO 4
obtained by single-crystal neutron scattering. Our results confirm a previously reported …

Magnetic structures and quadratic magnetoelectric effect in beyond 30 T

E Fogh, T Kihara, R Toft-Petersen, M Bartkowiak… - Physical Review B, 2020 - APS
Neutron diffraction with static and pulsed magnetic fields is used to directly probe the
magnetic structures in LiNiPO 4 up to 25 T and 42 T, respectively. By combining these …

Gains from the upgrade of the cold neutron triple-axis spectrometer FLEXX at the BER-II reactor

MD Le, DL Quintero-Castro, R Toft-Petersen… - Nuclear Instruments and …, 2013 - Elsevier
The upgrade of the cold neutron triple-axis spectrometer FLEXX is described. We discuss
the characterisation of the gains from the new primary spectrometer, including a larger guide …

Olivine-based cathode materials

K Zaghib, A Mauger, CM Julien - Rechargeable Batteries: Materials …, 2015 - Springer
This chapter report the physicochemical and electrochemical properties of positive electrode
materials with the olivine-like structure Li M PO 4 (M= Fe, Mn, Ni, Co) for high power lithium …

Spin excitations of magnetoelectric in multiple magnetic phases

L Peedu, V Kocsis, D Szaller, J Viirok, U Nagel… - Physical Review B, 2019 - APS
Spin excitations of magnetoelectric LiNiPO 4 are studied by infrared absorption
spectroscopy in the THz spectral range as a function of magnetic field through various …

Magnetic order, hysteresis, and phase coexistence in magnetoelectric

E Fogh, R Toft-Petersen, E Ressouche, C Niedermayer… - Physical Review B, 2017 - APS
The magnetic phase diagram of magnetoelectric LiCoPO 4 is established using neutron
diffraction and magnetometry in fields up to 25.9 T applied along the crystallographic b axis …

The magnetoelectric effect due to local noncentrosymmetry

VP Sakhnenko… - Journal of Physics …, 2012 - iopscience.iop.org
Magnetoelectrics often possess ions located in noncentrosymmetric surroundings. Based on
this fact we suggest a microscopic model of magnetoelectric interaction and show that the …