305 citations · 7.5k across the 167 of their papers we have counts for
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Observation of the anomalous Hall effect in a layered polar semiconductor
Seo-Jin Kim, Jihang Zhu, Mario M. Piva +10
Progress in magnetoelectric materials is hindered by apparently contradictory requirements for time-reversal symmetry broken and polar ferroelectric electronic structure in common…
CaRuO: Interplay among degrees of freedom and the role of the exchange-correlation
A. M León, J. W. González, H. Rosner
CaRuO is a fascinating material that displays physical properties governed by spin-orbit interactions and structural distortions, showing a wide range of remarkab…
Hidden kagome-lattice picture and origin of high conductivity in delafossite PtCoO
Hidetomo Usui, Masayuki Ochi, Sota Kitamura +8
We study the electronic structure of delafossite PtCoO to elucidate its extremely small resistivity and high mobility. The band exhibits steep dispersion near the Fermi level d…
Magnetic resonance as a local probe for kagomé magnetism in Barlowite Cu(OH)FBr
K. M. Ranjith, C. Klein, A. A. Tsirlin +3
Temperature- and field- dependent H-, F-, and Br- NMR measurements together with zero - field Br-NQR measurements on polycrystalline samples of barlo…
Quasi two-dimensional Fermi surface topography of the delafossite PdRhO
Frank Arnold, Marcel Naumann, Seunghyun Khim +6
We report on a combined study of the de Haas-van Alphen effect and angle resolved photoemission spectroscopy on single crystals of the metallic delafossite PdRhO rounded off by…
Ternary borides NbFeB and TaFeB with Kagome-type iron framework
Qiang Zheng, Roman Gumeniuk, Horst Borrmann +7
Two new ternary borides FeB ( = Nb, Ta) were synthesized by high-temperature thermal treatment of samples obtained by arc-melting. This new type of structure wi…
Magnetic anisotropy in the frustrated spin chain compound -TeVO
F. Weickert, M. Jaime, N. Harrison +8
Isotropic and anisotropic magnetic behavior of the frustrated spin chain compound -TeVO is reported. Three magnetic transitions observed in zero magnetic field are tracked i…
Alternating-spin-chain compound AgVOAsO probed by As NMR
N. Ahmed, P. Khuntia, H. Rosner +3
As NMR measurements were performed on a polycrystalline sample of spin-1/2 alternating-spin-chain Heisenberg antiferromagnet AgVOAsO. Temperature-dependent NMR shift $K(…
Phonon-drag effect in FeGa3
Maik Wagner-Reetz, Deepa Kasinathan, Walter Schnelle +4
The thermoelectric properties of single- and polycrystalline FeGa3 are systematically investigated over a wide temperature range. At low temperatures, below 20 K, previously not kn…
Magnetization and spin dynamics of the spin S=1/2 hourglass nanomagnet Cu5(OH)2(NIPA)4*10H2O
R. Nath, A. A. Tsirlin, P. Khuntia +8
We report a combined experimental and theoretical study of the spin S=1/2 nanomagnet Cu5(OH)2(NIPA)4*10H2O (Cu5-NIPA). Using thermodynamic, electron spin resonance and 1H nuclear m…
Square-lattice magnetism of diaboleite Pb2Cu(OH)4Cl2
Alexander A. Tsirlin, Oleg Janson, Stefan Lebernegg +1
We report on the quasi-two-dimensional magnetism of the natural mineral diaboleite Pb2Cu(OH)4Cl2 with a tetragonal crystal structure, which is closely related to that of the frustr…
(CuCl)LaTa2O7 and quantum phase transition in the (CuX)LaM2O7 family (X = Cl, Br; M = Nb, Ta)
Alexander A. Tsirlin, Artem M. Abakumov, Clemens Ritter +1
We apply neutron diffraction, high-resolution synchrotron x-ray diffraction, magnetization measurements, electronic structure calculations, and quantum Monte-Carlo simulations to u…
Short-range order of Br and three-dimensional magnetism in (CuBr)LaNb2O7
Alexander A. Tsirlin, Artem M. Abakumov, Clemens Ritter +3
We present a comprehensive study of the crystal structure, magnetic structure, and microscopic magnetic model of (CuBr)LaNb2O7, the Br analog of the spin-gap quantum magnet (CuCl)L…
Hidden magnetic order in CuNCN
Alexander A. Tsirlin, Alexander Maisuradze, Joerg Sichelschmidt +5
We report a comprehensive experimental and theoretical study of the quasi-one-dimensional quantum magnet CuNCN. Based on magnetization measurements above room temperature as well a…
Comment on "Unconventional Magnetism in a Nitrogen-Containing Analog of Cupric Oxide"
Alexander A. Tsirlin, Helge Rosner
In a recent Letter [PRL, 107, 047208 (2011)], Zorko et al. report on an "unexpected inhomogeneous magnetism" related to "a peculiar fragility" of the resonating-valence-bond (RVB)…
Thermoelectric properties of two-dimensional slabs of Ba8Ga16Ge30 from first principles
Deepa Kasinathan, Vicente Pacheco-Espejel, Helge Rosner
Thermoelectric effects enable the direct conversion between thermal and electrical energy and provide an alternative route for power generation and refrigeration. The clathrate Ba8…
Nanostructuring of Ba8Ga16Ge30 clathrates
Vicente Pachecoa, Raul Cardoso--Gil, Deepa Kasinathan +6
First thermoelectric properties measurements on bulk nanostructured Ba8Ga16Ge30 clathrate-I are presented. A sol-gel-calcination route was developed for preparing amorphous nanosiz…
Electronic and Thermoelectric Properties of RuIn_{3-x}A_{x} (A = Sn, Zn)
Deepa Kasinathan, Maik Wagner, Klaus Koepernik +3
Recently, we reported [M. Wagner et al., J. Mater. Res. 26, 1886 (2011)] transport measurements on the semiconducting intermetallic system RuIn3 and its substitution derivatives Ru…
Symmetry preserving lattice collapse in tetragonal SrFe_(2-x)Ru_xAs_2 (x = 0, 0.2) -- a combined experimental and theoretical study
Deepa Kasinathan, Miriam Schmitt, Klaus Koepernik +8
In a joint experimental and theoretical study, we investigate the isostructural collapse from the ambient pressure tetragonal phase to a collapsed tetragonal phase for non-supercon…
Phase separation and frustrated square lattice magnetism of Na1.5VOPO4F0.5
A. A. Tsirlin, R. Nath, A. M. Abakumov +7
Crystal structure, electronic structure, and magnetic behavior of the spin-1/2 quantum magnet Na1.5VOPO4F0.5 are reported. The disorder of Na atoms leads to a sequence of structura…
Spiral ground state against ferroelectricity in the frustrated magnet BiMnFe2O6
Artem M. Abakumov, Alexander A. Tsirlin, Juan Manuel Perez-Mato +4
The spiral magnetic structure and underlying spin lattice of BiMnFe2O6 are investigated by low-temperature neutron powder diffraction and density functional theory band structure c…
Frustrated couplings between alternating spin-1/2 chains in AgVOAsO4
Alexander A. Tsirlin, Ramesh Nath, Jörg Sichelschmidt +3
We report on the crystal structure and magnetic behavior of the spin-1/2 compound AgVOAsO4. Magnetic susceptibility, high-field magnetization, and electron spin resonance measureme…
Bridging frustrated-spin-chain and spin-ladder physics: quasi-one-dimensional magnetism of BiCu2PO6
Alexander A. Tsirlin, Ioannis Rousochatzakis, Deepa Kasinathan +6
We derive and investigate the microscopic model of the quantum magnet BiCu2PO6 using band structure calculations, magnetic susceptibility and high-field magnetization measurements,…
Interplay of atomic displacements in the quantum magnet (CuCl)LaNb2O7
Alexander A. Tsirlin, Artem M. Abakumov, Gustaaf Van Tendeloo +1
We report on the crystal structure of the quantum magnet (CuCl)LaNb2O7 that was controversially described with respect to its structural organization and magnetic behavior. Using h…