Arbeitsgruppe Neutronenstreuung

Ausgewählte Veröffentlichungen


Electron-Phonon Coupling in the Conventional Superconductor YNi2B2C at High Phonon Energies Studied by Time-of-Flight Neutron Spectroscopy

F. Weber, S. Rosenkranz, L. Pintschovius, J. .-P. Castellan, R. Osborn, W. Reichardt, R. Heid, K.-P. Bohnen, E. A. Goremychkin, A. Kreyssig, K. Hradil, D. L. Abernathy

Phys. Rev. Lett. 109 (2012) 57001



Phonons and electron-phonon coupling in YNi2B2C

F. Weber, L. Pintschovius, W. Reichardt, R. Heid, K.-P. Bohnen, A. Kreyssig, D. Reznik, K. Hradil

Phys. Rev. B 89 (2014) 104503



Direct Observation of the Superconducting Gap in Phonon Spectra

F. Weber, A. Kreyssig, L. Pintschovius, R. Heid, W. Reichardt, D. Reznik, O. Stockert, K. Hradil

Phys. Rev. Lett. 101 (2008) 237002



Superconductivity-Induced Distortions of Phonon Lineshapes in Niobium

F. Weber, L. Pintschovius

Phys. Rev. B 82 (2010) 24509



Electron-phonon coupling and superconductivity-induced distortion of the phonon lineshape in V3Si

A. Sauer, D. A. Zocco, A. H. Said, R. Heid, A. Böhmer, F. Weber

Phys. Rev. B 99 (2019) 134511



Superconductivity and hybrid soft modes in TiSe2

M. Maschek, S. Rosenkranz, R. Hott, R. Heid, Michael Merz, D. A. Zocco, A. H. Said, A. Alatas, G. Karapetrov, Shan Zhu, Jasper van Wezel, and F. Weber

Phys. Rev. B 94 (2016) 214507



Close correlation between magnetic properties and the soft phonon mode of the structural transition in BaFe2As2 and SrFe2As2

D. Parshall, L. Pintschovius, J. L. Niedziela, J.-P. Castellan, D. Lamago, R. Mittal, Th. Wolf, D. Reznik

Phys. Rev. B 91 (2015) 134426



Phonons in Doped and Undoped BaFe2As2 Investigated by Inelastic X-ray Scattering

D. Reznik, K. Lokshin, D. C. Mitchell, D. Parshall, W. Dmowski, D. Lamago, R. Heid, K.-P. Bohnen, A. S. Sefat, M. A. McGuire, B. C. Sales, D. G. Mandrus, A. Subedi, D. J. Singh, A. Alatas, M. H. Upton, A. H. Said, A. Cunsolo, Yu. Shvyd'ko, T. Egami

Phys. Rev. B 80 (2009) 214534



Soft phonons reveal the nematic correlation length in Ba(Fe0.94Co0.06)2As2

F. Weber, D. Parshall, L. Pintschovius, J.-P. Castellan, M. Kauth, M. Merz, Th. Wolf, M. Schütt, J. Schmalian, R. M. Fernandes, D. Reznik

Phys. Rev. B 98 (2018) 14516



Nematic Correlation Length in Iron-Based Superconductors Probed by Inelastic X-Ray Scattering

A. M. Merritt, F. Weber, J.-P. Castellan, T. Wolf, D. Ishikawa, A. H. Said, A. Alatas, R. M. Fernandes, A. Q. R. Baron, D. Reznik

Phys. Rev. Lett. 124 (2020) 157001



Magnetic moments induce strong phonon renormalization in FeSi

S. Krannich, Y. Sidis, D. Lamago, R. Heid, J.-M. Mignot, H. v. Löhneysen, A. Ivanov, P. Steffens, T. Keller, L. Wang, E. Goering, F. Weber

Nat. Commun. 6 (2015) 8961



Magnetization and ac susceptibility study of the cubic chiral magnet Mn1−xFexSi

L. J. Bannenberg, F. Weber, A. J. E. Lefering, T. Wolf, C. Pappas

Phys. Rev. B 98 (2018) 184430



Evolution of helimagnetic correlations in Mn1-xFexSi with doping: A small-angle neutron scattering study

L. J. Bannenberg, R. M. Dalgliesh, Th. Wolf, F. Weber, C. Pappas

Phys. Rev. B 98 (2018) 184431



Three-dimensional Fermi surface of 2H-NbSe2 – Implications for the mechanism of charge density waves

F. Weber, R. Hott, R. Heid, L. L. Lev, M. Caputo, T. Schmitt, V. N. Strocov

Phys. Rev. B 97 (2018) 235122



Superconducting energy gap of 2H-NbSe2 in phonon spectroscopy

F. Weber, S. Rosenkranz, R. Heid, and A. H. Said

Phys. Rev. B 96 (2016) 140504



Competing soft phonon modes at the charge-density-wave transitions in DyTe3

M. Maschek, D. A. Zocco, S. Rosenkranz, R. Heid, A. H. Said, A. Alatas, P. Walmsley, I. R. Fisher, F. Weber

Phys. Rev. B 98 (2018) 94304



Suppression of charge density wave order by disorder in Pd-intercalated ErTe3

J. A. W. Straquadine, F. Weber, S. Rosenkranz, A. H. Said, I. R. Fisher

Phys. Rev. B 99 (2019) 235138


Neueste Veröffentlichungen

Precursor region with full phonon softening above the charge-density-wave phase transition in 2H-TaSe2
Shen, X.; Heid, R.; Hott, R.; Haghighirad, A.-A.; Salzmann, B.; dos Reis Cantarino, M.; Monney, C.; Said, A. H.; Frachet, M.; Murphy, B.; Rossnagel, K.; Rosenkranz, S.; Weber, F.
2023. Nature Communications, 14 (1), 7282. doi:10.1038/s41467-023-43094-5
Lattice dynamics and thermal transport of PbTe under high pressure
Cheng, R.; Shen, X.; Klotz, S.; Zeng, Z.; Li, Z.; Ivanov, A.; Xiao, Y.; Zhao, L.-D.; Weber, F.; Chen, Y.
2023. Physical Review B, 108 (10), 104306. doi:10.1103/PhysRevB.108.104306
Lattice Dynamics Signatures of Competing Orders in Unconventional Superconductors
Souliou, S. M.; Weber, F.; Le Tacon, M.
2023. Synchrotron Radiation News, 1–8. doi:10.1080/08940886.2023.2226045
Soft Phonon Mode Triggering Fast Ag Diffusion in Superionic Argyrodite AgGeSe
Shen, X.; Koza, M. M.; Tung, Y.-H.; Ouyang, N.; Yang, C.-C.; Wang, C.; Chen, Y.; Willa, K.; Heid, R.; Zhou, X.; Weber, F.
2023. Small, Art.-Nr.: 2305048. doi:10.1002/smll.202305048
A Unifying Perspective of Common Motifs That Occur across Disparate Classes of Materials Harboring Displacive Phase Transitions
Grünebohm, A.; Hütten, A.; Böhmer, A. E.; Frenzel, J.; Eremin, I.; Drautz, R.; Ennen, I.; Caron, L.; Kuschel, T.; Lechermann, F.; Anselmetti, D.; Dahm, T.; Weber, F.; Rossnagel, K.; Schierning, G.
2023. Advanced Energy Materials, Art.-Nr.: 2300754. doi:10.1002/aenm.202300754
An electronic nematic liquid in BaNiAs
Yao, Y.; Willa, R.; Lacmann, T.; Souliou, S.-M.; Frachet, M.; Willa, K.; Merz, M.; Weber, F.; Meingast, C.; Heid, R.; Haghighirad, A.-A.; Schmalian, J.; Le Tacon, M.
2022. Nature Communications, 13 (1), Art.-Nr.: 4535. doi:10.1038/s41467-022-32112-7
Combined inelastic neutron scattering and ab initio lattice dynamics study of FeSi
Khan, N.; Krannich, S.; Boll, D.; Heid, R.; Lamago, D.; Ivanov, A.; Voneshen, D.; Weber, F.
2022. Physical Review B, 105 (13), Artkl.Nr.: 134304. doi:10.1103/PhysRevB.105.134304
Absence of temperature-dependent phonon anomalies in Sr₂IrO₄ and Sr3Ir₂O₇
Sen, K.; Heid, R.; Souliou, S. M.; Boll, D.; Bosak, A.; Sung, N. H.; Bertinshaw, J.; Gretarsson, H.; Kim, B. J.; Weber, F.; Le Tacon, M.
2022. Physical Review B, 105 (4), Article no: 045142. doi:10.1103/PhysRevB.105.045142
Anomalous transverse optical phonons in SnTe and PbTe
Li, Z.; Li, S.; Castellan, J.-P.; Heid, R.; Xiao, Y.; Zhao, L.-D.; Chen, Y.; Weber, F.
2022. Physical Review B, 105 (1), 014308–1. doi:10.1103/PhysRevB.105.014308
Electron-momentum dependence of electron-phonon coupling underlies dramatic phonon renormalization in YNiBC
Kurzhals, P.; Kremer, G.; Jaouen, T.; Nicholson, C. W.; Heid, R.; Nagel, P.; Castellan, J.-P.; Ivanov, A.; Muntwiler, M.; Rumo, M.; Salzmann, B.; Strocov, V. N.; Reznik, D.; Monney, C.; Weber, F.
2022. Nature Communications, 13 (1), Art.-Nr.: 228. doi:10.1038/s41467-021-27843-y
Evolution of helimagnetic correlations when approaching the quantum critical point of Mn1-xFexSi
Pappas, C.; Leonov, A. O.; Bannenberg, L. J.; Fouquet, P.; Wolf, T.; Weber, F.
2021. Physical review research, 3 (1), 013019. doi:10.1103/PhysRevResearch.3.013019
Soft elastic constants from phonon spectroscopy in hole-doped Ba(K,Na)FeAs and SrNaFeAs
Kauth, M.; Rosenkranz, S.; Said, A. H.; Taddei, K. M.; Wolf, T.; Weber, F.
2020. Physical review / B, 102 (14), Art.Nr. 144526. doi:10.1103/PhysRevB.102.144526
Dominant In-Plane Symmetric Elastoresistance in CsFe₂As₂
Wiecki, P.; Haghighirad, A.-A.; Weber, F.; Merz, M.; Heid, R.; Böhmer, A. E.
2020. Physical review letters, 125 (18), Article no: 187001. doi:10.1103/PhysRevLett.125.187001
Phonon density of states in lanthanide-based nanocrystals
Li, Z. H.; Hudry, D.; Heid, R.; Said, A. H.; Le, M. D.; Popescu, R.; Gerthsen, D.; Merz, M.; Krämer, K. W.; Busko, D.; Howard, I. A.; Richards, B. S.; Weber, F.
2020. Physical review / B, 102 (16), Art.-Nr.: 165409. doi:10.1103/PhysRevB.102.165409
Nematic Correlation Length in Iron-Based Superconductors Probed by Inelastic X-Ray Scattering
Merritt, A. M.; Weber, F.; Castellan, J.-P.; Wolf, T.; Ishikawa, D.; Said, A. H.; Alatas, A.; Fernandes, R. M.; Baron, A. Q. R.; Reznik, D.
2020. Physical review letters, 124 (15), Art.-Nr.: 157001. doi:10.1103/PhysRevLett.124.157001