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Ph

Phonons in FeP

Date
Oct 20, 2020
Time
2:50 PM - 4:20 PM
Speaker
Yuliia Tymoshenko and Aleksandr Sukhanov
Affiliation
Technische Universität Dresden
Series
TUD Physik-IFMP Institutsseminar
Language
en
Main Topic
Physik
Other Topics
Physik
Description

Abstract:

We present a comprehensive investigation of lattice dynamicsin the double-helix antiferromagnet FeP by means of high-resolution time-of-flight neutron spectroscopy and ab-initio calculations. We performed detailed analysis of the observedand calculated spectra for all high-symmetry points and high-symmetry directions of the Brillouin zone. We show that the DFT calculations quantitatively capture the essential featuresof the observed phonons, including both dispersions and scattering intensities. By making use of the detailed intensity comparison between the theory and the data, we were able to identify displacement vectors for the majority of theobserved modes.

IFMP Seminar
Date:Tuesday, October 20, 2020,
at 14:50REC/C213 (audience capacity: 11)

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Links

Last modified: Oct 20, 2020, 12:06:10 AM

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Location

TUD (C213)
Homepage
https://navigator.tu-dresden.de/

Organizer

TU Dresden, Faculty of Science, Department of PhysicsHaeckelstraße301069Dresden
Phone
+49 351 463-33378
Fax
+49 351 463-37109
E-Mail
TUD Physik
Homepage
http://tu-dresden.de/die_tu_dresden/fakultaeten/fakultaet_mathematik_und_naturwissenschaften/fachrichtung_physik
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