High-pressure nuclear inelastic scattering with backscattering monochromatization

Ilya Sergueev; Konstantin Glazyrin; Markus G. Herrmann; Pavel Alexeev; Hans Christian Wille; Olaf Leupold; Andrew F. May; Tribhuwan Pandey; Lucas R. Lindsay; Karen Friese; Raphael P. Hermann

doi:10.1107/S1600577519008853

High-pressure nuclear inelastic scattering with backscattering monochromatization

Ilya Sergueev, Konstantin Glazyrin, Markus G. Herrmann, Pavel Alexeev, Hans Christian Wille, Olaf Leupold, Andrew F. May, Tribhuwan Pandey, Lucas R. Lindsay, Karen Friese, Raphael P. Hermann

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4 Scopus citations

Abstract

The capability to perform high-pressure low-temperature nuclear inelastic scattering on 125 Te and 121 Sb with a sapphire backscattering monochromator is presented. This technique was applied to measure nuclear inelastic scattering in TeO 2 at pressures up to 10 GPa and temperatures down to 25 K. The evaluated partial Te densities of phonon states were compared with theoretical calculations and with Raman scattering measured under the same conditions. The high-pressure cell developed in this work can also be used for other techniques at pressures up to at least 100 GPa.

Original language	English
Pages (from-to)	1592-1599
Number of pages	8
Journal	Journal of Synchrotron Radiation
Volume	26
DOIs	https://doi.org/10.1107/S1600577519008853
State	Published - Sep 1 2019

Funding

This work was supported in part by the Deutsche Forschungsgemeinschaft within the SFB Nanoswitches (SFB 917). Sample synthesis (A. F. May), first-principles phonon calculations (L. Lindsay and T. Pandey), nuclear inelastic scattering and experiment planning (R. P. Hermann) were supported by the US Department of Energy, Office of Science, Basic Energy Sciences, Materials Sciences and Engineering Division.

Funders	Funder number
US Department of Energy
Office of Science
Basic Energy Sciences
Division of Materials Sciences and Engineering
Deutsche Forschungsgemeinschaft	SFB 917

Keywords

backscattering
density of phonon states
high pressure
nuclear inelastic scattering
nuclear resonance scattering

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10.1107/S1600577519008853

Cite this

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title = "High-pressure nuclear inelastic scattering with backscattering monochromatization",

abstract = "The capability to perform high-pressure low-temperature nuclear inelastic scattering on 125 Te and 121 Sb with a sapphire backscattering monochromator is presented. This technique was applied to measure nuclear inelastic scattering in TeO 2 at pressures up to 10 GPa and temperatures down to 25 K. The evaluated partial Te densities of phonon states were compared with theoretical calculations and with Raman scattering measured under the same conditions. The high-pressure cell developed in this work can also be used for other techniques at pressures up to at least 100 GPa.",

keywords = "backscattering, density of phonon states, high pressure, nuclear inelastic scattering, nuclear resonance scattering",

author = "Ilya Sergueev and Konstantin Glazyrin and Herrmann, {Markus G.} and Pavel Alexeev and Wille, {Hans Christian} and Olaf Leupold and May, {Andrew F.} and Tribhuwan Pandey and Lindsay, {Lucas R.} and Karen Friese and Hermann, {Raphael P.}",

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doi = "10.1107/S1600577519008853",

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T1 - High-pressure nuclear inelastic scattering with backscattering monochromatization

AU - Sergueev, Ilya

AU - Glazyrin, Konstantin

AU - Herrmann, Markus G.

AU - Alexeev, Pavel

AU - Wille, Hans Christian

AU - Leupold, Olaf

AU - May, Andrew F.

AU - Pandey, Tribhuwan

AU - Lindsay, Lucas R.

AU - Friese, Karen

AU - Hermann, Raphael P.

N1 - Publisher Copyright: © International Union of Crystallography 2019.

PY - 2019/9/1

Y1 - 2019/9/1

N2 - The capability to perform high-pressure low-temperature nuclear inelastic scattering on 125 Te and 121 Sb with a sapphire backscattering monochromator is presented. This technique was applied to measure nuclear inelastic scattering in TeO 2 at pressures up to 10 GPa and temperatures down to 25 K. The evaluated partial Te densities of phonon states were compared with theoretical calculations and with Raman scattering measured under the same conditions. The high-pressure cell developed in this work can also be used for other techniques at pressures up to at least 100 GPa.

AB - The capability to perform high-pressure low-temperature nuclear inelastic scattering on 125 Te and 121 Sb with a sapphire backscattering monochromator is presented. This technique was applied to measure nuclear inelastic scattering in TeO 2 at pressures up to 10 GPa and temperatures down to 25 K. The evaluated partial Te densities of phonon states were compared with theoretical calculations and with Raman scattering measured under the same conditions. The high-pressure cell developed in this work can also be used for other techniques at pressures up to at least 100 GPa.

KW - backscattering

KW - density of phonon states

KW - high pressure

KW - nuclear inelastic scattering

KW - nuclear resonance scattering

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DO - 10.1107/S1600577519008853

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JO - Journal of Synchrotron Radiation

JF - Journal of Synchrotron Radiation

ER -

High-pressure nuclear inelastic scattering with backscattering monochromatization

Abstract

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Keywords

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