Formation of Single Polar Domain in α-Cu2V2O7

Formation of Single Polar Domain in α-Cu2V2O7

We revisited the crystal structure of α-Cu2V2O7. An absolute structure determination have been performed. Ten pieces of crystals were randomly selected from a single large crystal. Inclusion of inversion domain was evaluated by estimating the Flack parameter. All the measured crystals have zero Flac...

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Veröffentlicht in:Journal of the Physical Society of Japan 2021-02, Vol.90 (2), p.1
Hauptverfasser: Piyawongwatthana, Pharit, Okuyama, Daisuke, Nawa, Kazuhiro, Matan, Kittiwit, Sato, Taku J
Format: Artikel
Sprache:eng
Schlagworte:
Bridgman method
Crystal growth
Crystal structure
Crystals
Domains
Parameter estimation
Parameter uncertainty
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Zusammenfassung:We revisited the crystal structure of α-Cu2V2O7. An absolute structure determination have been performed. Ten pieces of crystals were randomly selected from a single large crystal. Inclusion of inversion domain was evaluated by estimating the Flack parameter. All the measured crystals have zero Flack parameters within the standard uncertainty. Relative intensity I(14 2 2)/I(14 2 2) on the bulk Bridgman-grown centimeter-sized crystal shows uniform values confirming the single polar domain nature of α-Cu2V2O7.
ISSN:0031-9015
1347-4073
DOI:10.7566/JPSJ.90.025003