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20112016
most citedThe spin gap in malachite Cu2(OH)2CO3 and its evolution under pressure

52 citations · 189 across the 8 of their papers we have counts for

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7 papers · 1 filter

cond-mat.str-el2016★ 28 cited

Frustrated spin chain physics near the Majumdar-Ghosh point in szenicsite Cu(MoO)(OH)

Stefan Lebernegg, Oleg Janson, Ioannis Rousochatzakis +3

In this joint experimental and theoretical work magnetic properties of the Cu mineral szenicsite Cu(MoO)(OH) are investigated. This compound features isolated tr…

cond-mat.str-el2015★ 11 cited

Frustrated magnetic planes with intricate interaction pathways in the mineral langite Cu(OH)SOHO

Stefan Lebernegg, Alexander A. Tsirlin, Oleg Janson +2

Magnetic and crystallographic properties of the mineral langite Cu(OH)SOHO are reported. Its layered crystal structure features a peculiar spatial arrangemen…

cond-mat.str-el2014★ 19 cited

Nearly compensated exchange in the dimer compound callaghanite CuMg(CO)(OH)2HO

Stefan Lebernegg, Alexander A. Tsirlin, Oleg Janson +1

A combined theoretical and experimental study of the natural Cu(2+)-mineral callaghanite is presented. Its crystal structure features well separated Cu(OH) structural dimer…

cond-mat.str-el2013★ 52 cited

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…

cond-mat.str-el2013★ 22 cited

Two energy scales of spin dimers in clinoclase Cu3(AsO4)(OH)3

Stefan Lebernegg, Alexander A. Tsirlin, Oleg Janson +1

Magnetic susceptibility and microscopic magnetic model of the mineral clinoclase Cu3(AsO4)(OH)3 are reported. This material can be well described as a combination of two nonequival…

cond-mat.str-el2011★ 29 cited

Magnetic model for A2CuP2O7 (A = Na, Li) revisited: 1D versus 2D behavior

S. Lebernegg, A. A. Tsirlin, O. Janson +4

We report magnetization measurements, full-potential band structure calculations, and microscopic modeling for the spin-1/2 Heisenberg magnets A2CuP2O7 (A = Na, Li). Based on a qua…

cond-mat.str-el2011★ 2 cited

Magneto-structural correlations in doubly hydroxo-bridged Cu(II)-dimers

Stefan Lebernegg

The magneto-structural correlations of superexchange-coupled doubly hydroxo-bridged Cu(II)-dimers have been investigated. To this end, an analytical approach has been applied to [C…