Phonon Dispersion Curves in Wurtzite-Structure GaN Determined by Inelastic X-Ray Scattering

2001 ◽  
Vol 86 (5) ◽  
pp. 906-909 ◽  
Author(s):  
T. Ruf ◽  
J. Serrano ◽  
M. Cardona ◽  
P. Pavone ◽  
M. Pabst ◽  
...  
Keyword(s):  
Phonon Dispersion ◽  
Dispersion Curves ◽  
Wurtzite Structure ◽  
Phonon Dispersion Curves ◽  
X Ray ◽  
X Ray Scattering ◽  
Ray Scattering

Phonon dispersion curves in α-SiO2 and hcp 3He and 4He determined by inelastic X-ray scattering

1999 ◽  
Vol 263-264 ◽  
pp. 412-415 ◽  
Author(s):  
E Burkel ◽  
C Seyfert ◽  
Ch Halcoussis ◽  
H Sinn ◽  
R.O Simmons
Keyword(s):  
Phonon Dispersion ◽  
Dispersion Curves ◽  
Phonon Dispersion Curves ◽  
X Ray ◽  
X Ray Scattering ◽  
Ray Scattering

Determination of Phonon Dispersion Curves at Gigapascal Pressures by Inelastic X-ray Scattering

2002 ◽  
Vol 22 (1) ◽  
pp. 73-77 ◽  
Author(s):  
M. D'astuto ◽  
M. Krisch ◽  
M. Lorenzen ◽  
A. Mermet ◽  
G. Monaco ◽  
...  
Keyword(s):  
Phonon Dispersion ◽  
Dispersion Curves ◽  
Phonon Dispersion Curves ◽  
X Ray ◽  
X Ray Scattering ◽  
Ray Scattering

Phonon dispersion curves in an argon single crystal at high pressure by inelastic x-ray scattering

2001 ◽  
Vol 63 (22) ◽  
Author(s):  
F. Occelli ◽  
M. Krisch ◽  
P. Loubeyre ◽  
F. Sette ◽  
R. Le Toullec ◽  
...  
Keyword(s):  
High Pressure ◽  
Single Crystal ◽  
Phonon Dispersion ◽  
Dispersion Curves ◽  
Phonon Dispersion Curves ◽  
X Ray ◽  
X Ray Scattering ◽  
Ray Scattering

scholarly journals Lattice dynamics in CePd2Al2 and LaPd2Al2

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Petr Doležal ◽  
Petr Cejpek ◽  
Satoshi Tsutsui ◽  
Koji Kaneko ◽  
Dominik Legut ◽  
...  
Keyword(s):  
Lattice Dynamics ◽  
Phonon Dispersion ◽  
Elastic Interaction ◽  
Bound State ◽  
Dispersion Curves ◽  
Phonon Modes ◽  
Phonon Dispersion Curves ◽  
X Ray Scattering ◽  
Oppenheimer Approximation ◽  
Good Agreement

AbstractThe interaction between phonons and 4f electrons, which is forming a new quantum state (quasi-bound state) beyond Born-Oppenheimer approximation, is very prominent and lattice dynamics plays here a key role. There is only a small number of compounds in which the experimental observation suggest such a scenario. One of these compounds is CePd2Al2. Here the study of phonon dispersion curves of (Ce,La)Pd2Al2 at 1.5, 7.5, 80 and 300 K is presented. The inelastic X-ray scattering technique was used for mapping the phonon modes at X and Z points as well as in Λ and Δ directions, where the symmetry analysis of phonon modes was performed. The measured spectra are compared with the theoretical calculation, showing very good agreement. The measurements were performed in several Brillouin zones allowing the reconstruction of phonon dispersion curves. The results are discussed with respect to the magneto-elastic interaction and are compared with other cerium compounds. The phonon mode symmetry A1g was found to be unaffected by the interaction, which is in contrast to previous assumptions.

Phonon Dispersion in MoS2 by Inelastic X-ray Scattering

2019 ◽  
Author(s):  
Hans Tornatzky ◽  
Roland Gillen ◽  
Hiroshi Uchiyama ◽  
Janina Maultzsch
Keyword(s):  
Phonon Dispersion ◽  
X Ray ◽  
X Ray Scattering ◽  
Ray Scattering

Phonon Dispersion of Diamond Measured by Inelastic X-Ray Scattering

1998 ◽  
Vol 80 (25) ◽  
pp. 5572-5575 ◽  
Author(s):  
M. Schwoerer-Böhning ◽  
A. T. Macrander ◽  
D. A. Arms
Keyword(s):  
Phonon Dispersion ◽  
X Ray ◽  
X Ray Scattering ◽  
Ray Scattering
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