Arbeitsgruppe Neutronenstreuung

Ausgewählte Veröffentlichungen

[1]	Precursor region with full phonon softening above the charge-density-wave phase transition in 2H-TaSe₂ X. Shen, R. Heid, R. Hott, A.-A. Haghighirad, B. Salzmann, M. dos Reis Cantarino, C. Monney, A. H. Said, M. Frachet, B. Murphy, K. Rossnagel, S. Rosenkranz, F. Weber Nat. Commun. 14 (2023) 7282
[2]	Soft Phonon Mode Triggering Fast Ag Diffusion in Superionic Argyrodite Ag₈GeSe₆ X. Shen, M. M. Koza, Y.-H. Tung, N. Ouyang, C.-C. Yang, C. Wang,Y. Chen, K. Willa, , R. Heid, X. Zhou, F. Weber Small 19 (2023) 2305048
[3]	A Unifying Perspective of Common Motifs That Occur across Disparate Classes of Materials Harboring Displacive Phase Transitions A. Grünebohm, A. Hütten, A. E. Böhmer, J. Frenzel, I. Eremin, R. Drautz, I. Ennen, L. Caron, T. Kuschel, F. Lechermann, D. Anselmetti, T. Dahm, F. Weber, K. Rossnagel, G. Schierning Adv. Energy Mater. 13 (2023) 2300754
[4]	Electron-momentum dependence of electron-phonon coupling underlies dramatic phonon renormalization in YNi₂B₂ P. Kurzhals, G. Kremer, T. Jaouen, Ch. W. Nicholson, R. Heid, P. Nagel, J.-P. Castellan, A. Ivanov, M. Muntwiler, M. Rumo, B. Salzmann, V. N. Strocov, D. Reznik, C. Monney, F. Weber Nat. Commun. 13 (2022) 228
[5]	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
[6]	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
[7]	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
[8]	Extended Phonon Collapse and the Origin of the Charge-Density Wave in 2H-NbSe₂ F. Weber, S. Rosenkranz, J.-P. Castellan, R. Osborn, R. Hott, R. Heid, K.-P. Bohnen, T. Egami, A. H. Said, D. Reznik Phys. Rev. Lett. 107 (2011) 107403
[9]	Signature of Checkerboard Fluctuations in the Phonon Spectra of a Possible Polaronic Metal La_1.2Sr_1.8Mn₂O₇ F. Weber, N. Aliouane, H. Zheng, J. F. Mitchell, D. N. Argyriou, D. Reznik Nat. Commun. 8 (2009) 798
[10]	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

Neueste Veröffentlichungen

Revisiting the lattice dynamics of cubic yttria-stabilized zirconia
Turner, S. R.; Pailhès, S.; Ben-Mahfoud, L.; de Boissieu, M.; Bourdarot, F.; Schober, H.; Sidis, Y.; Castellan, J.-P.; Piovano, A.; Ivanov, A.; Giordano, V. M.
2023. Physical Review Materials, 7 (11), Art.-Nr.: 115401. doi:10.1103/PhysRevMaterials.7.115401

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, 36 (3), 16–23. 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, 19 (49), 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, 13 (30), Art.-Nr.: 2300754. doi:10.1002/aenm.202300754

Phonon behavior in a random solid solution: a lattice dynamics study on the high-entropy alloy FeCoCrMnNi
Turner, S. R.; Pailhès, S.; Bourdarot, F.; Ollivier, J.; Sidis, Y.; Castellan, J.-P.; Zanotti, J.-M.; Berrod, Q.; Porcher, F.; Bosak, A.; Feuerbacher, M.; Schober, H.; de Boissieu, M.; Giordano, V. M.
2022. Nature Communications, 13 (1), 7509. doi:10.1038/s41467-022-35125-4

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