Elastic stiffness coefficients of thiourea from thermal diffuse scattering

  • The complete elastic stiffness tensor of thiourea has been determined from thermal diffuse scattering (TDS) using high-energy photons (100 keV). Comparison with earlier data confirms a very good agreement of the tensor coefficients. In contrast with established methods to obtain elastic stiffness coefficients (e.g. Brillouin spectroscopy, inelastic X-ray or neutron scattering, ultrasound spectroscopy), their determination from TDS is faster, does not require large samples or intricate sample preparation, and is applicable to opaque crystals. Using high-energy photons extends the applicability of the TDS-based approach to organic compounds which would suffer from radiation damage at lower photon energies.

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Author:Julia Büscher, Alessandro Mirone, Michał Stękiel, Dominik Spahr, Wolfgang Morgenroth, Eiken HaussühlORCiD, Victor MilmanORCiD, Alexei Bosak, Oleh Ivashko, Martin von Zimmermann, Ann-Christin Dippel, Björn WinklerORCiDGND
Parent Title (German):Journal of applied crystallography
Place of publication:Copenhagen
Document Type:Article
Year of Completion:2021
Year of first Publication:2021
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2021/02/18
Tag:elastic stiffness; thermal diffuse scattering; thiourea
Issue:Part 1
Page Number:8
First Page:287
Last Page:294
Institutes:Geowissenschaften / Geographie / Geowissenschaften
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 54 Chemie / 540 Chemie und zugeordnete Wissenschaften
5 Naturwissenschaften und Mathematik / 55 Geowissenschaften, Geologie / 550 Geowissenschaften
Licence (German):License LogoCreative Commons - Namensnennung 4.0