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Peierls distortion, magnetism, and high hardness of manganese tetraboride
Huiyang Gou, Alexander A. Tsirlin, Elena Bykova +10
We report crystal structure, electronic structure, and magnetism of manganese tetraboride, MnB4, synthesized under high-pressure high-temperature conditions. In contrast to superco…
Interplay between localized and itinerant magnetism in Co substituted FeGa
A. A. Gippius, V. Yu. Verchenko, A. V. Tkachev +8
The evolution of the electronic structure and magnetic properties with Co substitution for Fe in the solid solution FeCoGa was studied by means of electrical resist…
Hindered magnetic order from mixed dimensionalities in CuPO
R. Nath, K. M. Ranjith, J. Sichelschmidt +5
We present a combined experimental and theoretical study of the spin-1/2 compound CuPO that features a network of two-dimensional (2D) antiferromagnetic (AFM) square planes…
Magnetic frustration in BaCuSi2O6 released
Vladimir V. Mazurenko, Maria V. Valentyuk, Raivo Stern +1
Han Purple (BaCuSi2O6) is not only an ancient pigment, but also a valuable model material for studying Bose-Einstein condensation (BEC) of magnons in high magnetic fields. Using pr…
The spin gap in malachite Cu2(OH)2CO3 and its evolution under pressure
Stefan Lebernegg, Alexander A. Tsirlin, Oleg Janson +1
We report on the microscopic magnetic modeling of the spin-1/2 copper mineral malachite at ambient and elevated pressures. Despite the layered crystal structure of this mineral, th…
Spin-chain magnetism and uniform Dzyaloshinsky-Moriya anisotropy in BaVO
Alexander A. Tsirlin
We report on the microscopic magnetic model of a spin-1/2 magnet BaVO. In contrast to earlier phenomenological analysis, our density-functional band-structure calculations…