Materials

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Submit to this Journal Review for this Journal Propose a Special Issue ► ▼ Article Menu Article Menu Subscribe SciFeed Related Info Links PubMed/Medline Google Scholar More by Authors Links on DOAJ Dishon, S. Ushakov, A. Nuraeva, A. Ehre, D. Lahav, M. Shur, V. Kholkin, A. Lubomirsky, I. on Google Scholar Dishon, S. Ushakov, A. Nuraeva, A. Ehre, D. Lahav, M. Shur, V. Kholkin, A. Lubomirsky, I. on PubMed Dishon, S. Ushakov, A. Nuraeva, A. Ehre, D. Lahav, M. Shur, V. Kholkin, A. Lubomirsky, I. /ajax/scifeed/subscribe Article Views Citations - Table of Contents Altmetric share Share announcement Help format_quote Cite question_answer Discuss in SciProfiles thumb_up ... Endorse textsms ... Comment Need Help? Support

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Get Information clear JSmol Viewer clear first_page Download PDF settings Order Article Reprints Font Type: Arial Georgia Verdana Font Size: Aa Aa Aa Line Spacing:    Column Width:    Background: Open AccessCommunication Surface Piezoelectricity and Pyroelectricity in Centrosymmetric Materials: A Case of α-Glycine by

Shiri Dishon

Shiri Dishon Scilit Preprints.org Google Scholar View Publications 1,

Andrei Ushakov

Andrei Ushakov Scilit Preprints.org Google Scholar View Publications 2,

Alla Nuraeva

Alla Nuraeva Scilit Preprints.org Google Scholar View Publications 2 ORCID

David Ehre

David Ehre Scilit Preprints.org Google Scholar View Publications 1,

Meir Lahav

Meir Lahav Scilit Preprints.org Google Scholar View Publications 1,

Vladimir Shur

Vladimir Shur Scilit Preprints.org Google Scholar View Publications 2 ORCID

Andrei Kholkin

Andrei Kholkin Scilit Preprints.org Google Scholar View Publications 2,3,* ORCID

and

Igor Lubomirsky

Igor Lubomirsky Scilit Preprints.org Google Scholar View Publications 1,* 1 Department of Materials and Interfaces, Weizmann Institute of Science, Herzl St 234, Rehovot 7610001, Israel 2 School of Natural Sciences and Mathematics, Ural Federal University, Lenin Ave. 51, 620000 Ekaterinburg, Russia 3 CICECO-Aveiro Institute of Materials, Department of Physics, University of Aveiro, 3810-193 Aveiro, Portugal * Authors to whom correspondence should be addressed. Materials 2020, 13(20), 4663; https://doi.org/10.3390/ma13204663 Submission received: 27 September 2020 / Revised: 12 October 2020 / Accepted: 15 October 2020 / Published: 19 October 2020 Download keyboard_arrow_down Download PDF Download PDF with Cover Download XML Download Epub Browse Figures Versions Notes

Abstract: Surface pyroelectricity and piezoelectricity induced by water incorporation during growth in α-glycine were investigated. Using the periodic temperature change technique, we have determined the thickness (~280 µm) of the near surface layer (NSL) and its pyroelectric coefficient (160 pC/(K × cm2) at 23 °C) independently. The thickness of NSL remains nearly constant till 60 °C and the pyroelectric effect vanishes abruptly by 70 °C. The piezoelectric effect, 0.1 pm/V at 23 °C measured with an interferometer, followed the same temperature dependence as the pyroelectric effect. Abrupt disappearance of both effects at 70 °C is irreversible and suggests that water incorporation to α-glycine forms a well defined near surface phase, which is different form α-glycine because it is polar but it too close to α-glycine to be distinguished by X-ray diffraction (XRD). The secondary pyroelectric effect was found to be

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