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- Timur K. Kim2 profiles73 · h 49
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- University of OxfordGB171 papers
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7 papers · 2 filters
Cu3Nb2O8: a multiferroic with chiral coupling to the crystal structure
R. D. Johnson, Sunil Nair, L. C. Chapon +5
By combining bulk properties, neutron diffraction and non-resonant X-ray diffraction measurements, we demonstrate that the new multiferroic CuNbO becomes polar simultan…
Driving magnetic order in a manganite by ultrafast lattice excitation
M. Först, R. I. Tobey, S. Wall +14
Optical control of magnetism, of interest for high-speed data processing and storage, has only been demonstrated with near-infrared excitation to date. However, in absorbing materi…
Slow Magnetic Order-Order Transition in the Spin Chain Antiferromagnet Ca3Co2O6
S. Agrestini, C. L. Fleck, L. C. Chapon +4
Using powder neutron diffraction we have discovered an unusual magnetic order-order transition in the Ising spin chain compound Ca3Co2O6. On lowering the temperature an antiferroma…
Monte Carlo simulation of monolayer graphene at non-zero temperature
Wesley Armour, Simon Hands, Costas Strouthos
We present results from lattice simulations of a monolayer graphene model at non-zero temperature. At low temperatures for sufficiently strong coupling the model develops an excito…
Probing photo-induced melting of antiferromagnetic order in La0.5Sr1.5MnO4 by ultrafast resonant soft X-ray diffraction
H. Ehrke, R. I. Tobey, S. Wall +13
Photo-excitation in complex oxides1 transfers charge across semicovalent bonds, drastically perturbing spin and orbital orders2. Light may then be used in compounds like magnetores…
Precursor phenomena at the magnetic ordering of the cubic helimagnet FeGe
H. Wilhelm, M. Baenitz, M. Schmidt +3
We report on detailed magnetic measurements on the cubic helimagnet FeGe in external magnetic fields and temperatures near the onset of long-range magnetic order at …