activity
20122024
most citedNematic fluctuations and the magneto-structural phase transition in

81 citations · 339 across the 13 of their papers we have counts for

collaborators

13 papers

cond-mat.str-el2024★ 1 cited

Chiral electronic excitations and strong electron-phonon coupling to Weyl fermions in the Kagome semimetal CoSnS

G. He, M. Kute, Z. C. Xu +10

We present results of a Raman scattering study of the Kagome ferromagnet CoSnS, with a focus on electronic and phononic excitations and their interplay. We provide a th…

cond-mat.supr-con2021★ 5 cited

Quantum critical fluctuations in an Fe-based superconductor

Daniel Jost, Leander Peis, Ge He +9

Quantum critical fluctuations may prove to play an instrumental role in the formation of unconventional superconductivity. Here, we show that the characteristic scaling of a margin…

cond-mat.supr-con2020★ 8 cited

Suppression of Superconductivity and Nematic Order in FeSeS (01, 0.1) Crystals by Anion Height Disorder

Aifeng Wang, Ana Milosavljevic, A. M. Milinda Abeykoon +10

Connections between crystal chemistry and critical temperature have been in the focus of superconductivity, one of the most widely studied phenomena in physics, chemistry and…

cond-mat.str-el2018★ 15 cited

Frustrated Magnetism from Local Moments in FeSe

Harrison Ruiz, Yao Wang, Brian Moritz +3

We investigate properties of a spin-1 Heisenberg model with extended and biquadratic interactions, which captures crucial aspects of the low energy physics in FeSe. While we show t…

cond-mat.mtrl-sci2018★ 63 cited

Lattice dynamics and phase transition in CrI single crystals

S. Djurdjić-Mijin, A. Šolajić, J. Pešić +6

The vibrational properties of single crystals were investigated using Raman spectroscopy and were analyzed with respect to the changes of the crystal structure. Al…

cond-mat.supr-con2017★ 32 cited

Phonon anomalies in FeS

A. Baum, A. Milosavljević, N. Lazarević +12

We present results from light scattering experiments on tetragonal FeS with the focus placed on lattice dynamics. We identify the Raman active A1g and B1g phonon modes, a second or…

cond-mat.str-el2017★ 27 cited

Frustrated spin order and stripe fluctuations in FeSe

Andreas Baum, Harrison N. Ruiz, Nenad Lazarević +9

The charge and spin dynamics of the structurally simplest iron-based superconductor, FeSe, may hold the key to understanding the physics of high temperature superconductors in gene…

cond-mat.str-el2017★ 17 cited

Magnetic excitations and amplitude fluctuations in insulating cuprates

Nitin Chelwani, Andreas Baum, Thomas Böhm +7

We present results from light scattering experiments on three insulating antiferromagnetic cuprates, YBaCuO, BiSrYCuO, and LaCuO as a f…

cond-mat.supr-con2017★ 2 cited

Microscopic pairing fingerprint of the iron-based superconductor

Thomas Böhm, Florian Kretzschmar, Andreas Baum +16

Resolving the microscopic pairing mechanism and its experimental identification in unconventional superconductors is among the most vexing problems of contemporary condensed matter…

cond-mat.supr-con2016★ 9 cited

Superconductivity and fluctuation in BaKFeAs and Ba(FeCo)As

T. Böhm, R. Hosseinian Ahangharnejhad, D. Jost +9

We study the interplay of fluctuations and superconductivity in BaFeAs (Ba-122) compounds with Ba and Fe substituted by K ( doping) and Co ( doping), respectively. To…

cond-mat.mtrl-sci2016★ 17 cited

Charge density wave modulation and gap measurements in CeTe

Uros Ralevic, Nenad Lazarevic, Andreas Baum +7

We present a study of charge density wave (CDW) ordering in CeTe at room temperature using a scanning tunneling microscope and Raman spectroscopy. Two characteristic CDW orderi…

cond-mat.str-el2015★ 81 cited

Nematic fluctuations and the magneto-structural phase transition in

Florian Kretzschmar, Thomas Böhm, Una Karahasanović +11

An inelastic light (Raman) scattering study of nematicity and critical fluctuations in () is presented. It is shown that the respon…

cond-mat.supr-con2012★ 62 cited

Raman-Scattering Detection of Nearly Degenerate -Wave and -Wave Pairing Channels in Iron-Based BaKFeAs and RbFeSe Superconductors

Florian Kretzschmar, Bernhard Muschler, Thomas Böhm +6

We show that electronic Raman scattering affords a window into the essential properties of the pairing potential of iron-based superconductors.…