activity
20092021
most citedDiscovery of a superhard iron tetraboride superconductor

246 citations · 617 across the 14 of their papers we have counts for

collaborators

14 papers

cond-mat.str-el2021★ 3 cited

Experimental determination of the magnetic interactions of frustrated Cairo pentagon lattice materials

Manh Duc Le, Elisa M. Wheeler, Jaehong Jeong +14

We present inelastic neutron scattering measurements of the Cairo pentagon lattice magnets BiFeO and BiFeOF, supported by high field magnetisation measur…

physics.geo-ph2019★ 29 cited

Revealing the complex nature of bonding in binary high-pressure compound FeO

E. Koemets, I. Leonov, M. Bykov +21

Extreme pressures and temperatures are known to drastically affect the chemistry of iron oxides resulting in numerous compounds forming homologous series FeOFeO…

cond-mat.mes-hall2018★ 22 cited

Anomalous behavior of the electronic structure of (BiIn)Se across the quantum-phase transition from topological to trivial insulator

J. Sánchez-Barriga, I. Aguilera, L. V. Yashina +9

Using spin- and angle-resolved spectroscopy and relativistic many-body calculations, we investigate the evolution of the electronic structure of (BiIn)Se bulk s…

cond-mat.str-el2017★ 18 cited

Cubic lead perovskite PbMoO3 with anomalous metallic behavior

Hiroshi Takatsu, Olivier Hernandez, Wataru Yoshimune +9

A previously unreported Pb-based perovskite PbMoO is obtained by high-pressure and high-temperature synthesis. This material crystallizes in the cubic structure at…

cond-mat.mtrl-sci2013★ 68 cited

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…

cond-mat.mtrl-sci2013★ 246 cited

Discovery of a superhard iron tetraboride superconductor

Huiyang Gou, Natalia Dubrovinskaia, Elena Bykova +11

Single crystals of novel orthorhombic (space group Pnnm) iron tetraboride FeB4 were synthesised at pressures above 8 GPa and high temperatures. Magnetic susceptibility measurements…

cond-mat.mtrl-sci2012★ 29 cited

Frustrated pentagonal Cairo lattice in the non-collinear antiferromagnet Bi4Fe5O13F

Artem M. Abakumov, Dmitry Batuk, Alexander A. Tsirlin +6

The crystal and magnetic structures and underlying magnetic interactions of Bi4Fe5O13F, a model system for studying the physics of the Cairo pentagonal spin lattice, are investigat…

cond-mat.mtrl-sci2012★ 15 cited

(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…

cond-mat.mtrl-sci2012★ 9 cited

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…

cond-mat.supr-con2011★ 22 cited

Uniform Patterns of Fe Vacancy Ordering in the Kx(Fe,Co)2-ySe2 Superconductors

Sergey M. Kazakov, Artem M. Abakumov, Santiago González +7

The Fe-vacancy ordering patterns in the superconducting KxFe2-ySe2 and non-superconducting Kx(Fe,Co)2-ySe2 samples have been investigated by electron diffraction and high angle ann…

cond-mat.mtrl-sci2011★ 85 cited

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…

cond-mat.mtrl-sci2011★ 13 cited

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…

cond-mat.mtrl-sci2010★ 16 cited

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…

cond-mat.str-el2009★ 42 cited

Frustrated square lattice with spatial anisotropy: crystal structure and magnetic properties of PbZnVO(PO4)2

Alexander A. Tsirlin, Ramesh Nath, Artem M. Abakumov +3

Crystal structure and magnetic properties of the layered vanadium phosphate PbZnVO(PO4)2 are studied using x-ray powder diffraction, magnetization and specific heat measurements, a…