T. Lacmann

activity

20242026

collaborators

6 papers

cond-mat.supr-con2026

Orbital Ordering in the Charge Density Wave Phases of BaNi $_{2}$ (As $_{1 - x}$ P $_{x}$ ) $_{2}$

Tom Lacmann, Robert Eder, Igor Vinograd +8

We use resonant X-ray scattering at the nickel L $_{2, 3}$ edges to investigate the interplay between orbital degrees of freedom and charge density waves (CDW) in the superconductor…

cond-mat.supr-con2025

Strain-induced structural change and nearly-commensurate diffuse scattering in the model high-temperature superconductor HgBa $_{2}$ CuO $_{4 + I^´}$

Mai Ye, Wenshan Hong, Tom Lacmann +9

We investigate the strain response of underdoped HgBa $_{2}$ CuO $_{4 + I^´}$ (Hg1201), by synchrotron X-ray diffraction and corresponding simulations of thermal diffuse scattering. The co…

cond-mat.supr-con2025

Charge density waves and soft phonon evolution in the superconductor BaNi $_{2}$ (As $_{1 - x}$ P $_{x}$ ) $_{2}$

Tom Lacmann, Sofia-Michaela Souliou, Fabian Henssler +8

The superconductor BaNi $_{2}$ As $_{2}$ exhibits a soft-phonon-driven, incommensurate charge density wave (I-CDW) which is accompanied by a small orthorhombic structural phase transition…

cond-mat.supr-con2025

Resonant x-ray scattering study of charge-density wave correlations in YBa $_{2}$ Cu $_{3}$ O $_{6 + x}$ under uniaxial stress

S. Nakata, D. Betto, E. Schierle +13

We report a comprehensive study of the uniaxial stress response of charge-density-wave (CDW) correlations in detwinned single crystals of the high temperature superconductor YBa$_2…

cond-mat.str-el2025

Charge-density-wave quantum critical point under pressure in 2 $H$ -TaSe $_{2}$

Yuliia Tymoshenko, Amir-Abbas Haghighirad, Rolf Heid +13

Suppressing of an ordered state that competes with superconductivity is one route to enhance superconducting transition temperatures. Whereas the effect of suppressing magnetic sta…

cond-mat.supr-con2024

Chemical pressure tuning of competing orders in $Ba_{1 - x} Ca_{x} Ni_{2} As_{2}$

F. Henssler, K. Willa, M. Frachet +5

$Ba Ni_{2} As_{2}$ , a structural-analogue to the iron-based parent compound $Ba Fe_{2} As_{2}$ , offers a unique platform to study…

Orbital Ordering in the Charge Density Wave Phases of BaNi2​(As1−x​Px​)2​

Strain-induced structural change and nearly-commensurate diffuse scattering in the model high-temperature superconductor HgBa2​CuO4+I^´​

Charge density waves and soft phonon evolution in the superconductor BaNi2​(As1−x​Px​)2​

Resonant x-ray scattering study of charge-density wave correlations in YBa2​Cu3​O6+x​ under uniaxial stress

Charge-density-wave quantum critical point under pressure in 2H-TaSe2​

Chemical pressure tuning of competing orders in Ba1−x​Cax​Ni2​As2​

Orbital Ordering in the Charge Density Wave Phases of BaNi $_{2}$ (As $_{1 - x}$ P $_{x}$ ) $_{2}$

Strain-induced structural change and nearly-commensurate diffuse scattering in the model high-temperature superconductor HgBa $_{2}$ CuO $_{4 + I^´}$

Charge density waves and soft phonon evolution in the superconductor BaNi $_{2}$ (As $_{1 - x}$ P $_{x}$ ) $_{2}$

Resonant x-ray scattering study of charge-density wave correlations in YBa $_{2}$ Cu $_{3}$ O $_{6 + x}$ under uniaxial stress

Charge-density-wave quantum critical point under pressure in 2 $H$ -TaSe $_{2}$

Chemical pressure tuning of competing orders in $Ba_{1 - x} Ca_{x} Ni_{2} As_{2}$