activity
20072023
most citedMott-Hubbard gap closure and structural phase transition in the oxyhalides TiOBr and TiOCl under pressure

23 citations · 64 across the 5 of their papers we have counts for

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cond-mat.str-el2023★ 3 cited

Realization of Z Topological Metal in Single-Crystalline Nickel Deficient NiVSe

Sitaram Ramakrishnan, Shidaling Matteppanavar, Andreas Schonleber +6

Temperature-dependent electronic and magnetic properties are reported for a Z2 topological metal single-crystalline nickel-deficient NiVSe. It is found to crystallize in th…

cond-mat.str-el2022★ 15 cited

Coupling between colossal charge density wave ordering and magnetism in Ho2Ir3Si5

Sitaram Ramakrishnan, Jin-Ke Bao, Claudio Eisele +14

Ho2Ir3Si5 belongs to the family of three-dimensional (3D) R2Ir3Si5 (R = Lu, Er and Ho) compounds that exhibit a colossal first-order charge density wave (CDW) transition where ther…

cond-mat.str-el2010★ 6 cited

Two pressure-induced structural phase transitions in TiOCl

J. Ebad-Allah, A. Schönleber, S. van Smaalen +7

We studied the crystal structure of TiOCl up to pressures of =25~GPa at room temperature by x-ray powder diffraction measurements. Two pressure-induced structural phase transiti…

cond-mat.str-el2008★ 23 cited

Mott-Hubbard gap closure and structural phase transition in the oxyhalides TiOBr and TiOCl under pressure

C. A. Kuntscher, A. Pashkin, H. Hoffmann +9

Pressure-dependent transmittance and reflectance spectra of TiOBr and TiOCl single crystals at room temperature suggest the closure of the Mott-Hubbard gap, i.e., the gap is filled…

cond-mat.str-el2007★ 17 cited

Pressure-induced metallization and structural phase transition of the Mott-Hubbard insulator TiOBr

C. A. Kuntscher, S. Frank, A. Pashkin +9

We investigated the pressure-dependent optical response of the low-dimensional Mott-Hubbard insulator TiOBr by transmittance and reflectance measurements in the infrared and visibl…