Результаты исследований: Публикации в книгах, отчётах, сборниках, трудах конференций › статья в сборнике материалов конференции › научная › Рецензирование
New Ground State of Dipolar Lattice of D2O@Beryl. / Belyanchikov, Mikhail A.; Savinov, M.; Thomas, V. и др.
5th International Conference on Nanotechnologies and Biomedical Engineering - Proceedings of ICNBME-2021. ред. / Ion Tiginyanu; Victor Sontea; Serghei Railean. 1. ред. Springer Science and Business Media Deutschland GmbH, 2022. стр. 284-290 38 (IFMBE Proceedings; Том 87).Результаты исследований: Публикации в книгах, отчётах, сборниках, трудах конференций › статья в сборнике материалов конференции › научная › Рецензирование
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TY - GEN
T1 - New Ground State of Dipolar Lattice of D2O@Beryl
AU - Belyanchikov, Mikhail A.
AU - Savinov, M.
AU - Thomas, V.
AU - Dressel, M.
AU - Gorshunov, B.
N1 - Publisher Copyright: © 2022, The Author(s), under exclusive license to Springer Nature Switzerland AG.
PY - 2022
Y1 - 2022
N2 - High quality beryl crystals with D2O molecules in nanocages are synthesized and carefully characterized. IR mapping of the crystals showed drastically different concentration distribution of water-I and water-II molecules. The effect of water concentration on the dielectric properties of D2O@Beryl was systematically studied. Two areas of the crystal with same water-I concentration and highly different water-II concentrations were studied by temperature-dependent terahertz and impedance spectroscopy. The experiments reveal a strong dependence of the dielectric properties of the crystal on water-II concentration. The sample with low water-II content showed an anomaly at T = 2 K in the temperature behavior of radiofrequency permittivity; no saturation in the temperature-dependent behavior of terahertz soft mode is observed. These observations contrast with our previous results on incipient ferroelectricity in H2O@Beryl. We speculate about a possibility of new ground state developed in dipolar water lattice in beryl.
AB - High quality beryl crystals with D2O molecules in nanocages are synthesized and carefully characterized. IR mapping of the crystals showed drastically different concentration distribution of water-I and water-II molecules. The effect of water concentration on the dielectric properties of D2O@Beryl was systematically studied. Two areas of the crystal with same water-I concentration and highly different water-II concentrations were studied by temperature-dependent terahertz and impedance spectroscopy. The experiments reveal a strong dependence of the dielectric properties of the crystal on water-II concentration. The sample with low water-II content showed an anomaly at T = 2 K in the temperature behavior of radiofrequency permittivity; no saturation in the temperature-dependent behavior of terahertz soft mode is observed. These observations contrast with our previous results on incipient ferroelectricity in H2O@Beryl. We speculate about a possibility of new ground state developed in dipolar water lattice in beryl.
KW - Dipolar lattice
KW - Ferroelectricity
KW - Nanoconfined water
KW - Spectroscopy
UR - http://www.scopus.com/inward/record.url?scp=85122520539&partnerID=8YFLogxK
UR - https://www.mendeley.com/catalogue/b7407ff7-558e-3ba9-a7dc-b3bbfdab1720/
U2 - 10.1007/978-3-030-92328-0_38
DO - 10.1007/978-3-030-92328-0_38
M3 - Conference contribution
AN - SCOPUS:85122520539
SN - 978-3-030-92327-3
T3 - IFMBE Proceedings
SP - 284
EP - 290
BT - 5th International Conference on Nanotechnologies and Biomedical Engineering - Proceedings of ICNBME-2021
A2 - Tiginyanu, Ion
A2 - Sontea, Victor
A2 - Railean, Serghei
PB - Springer Science and Business Media Deutschland GmbH
T2 - 5th International Conference on Nanotechnologies and Biomedical Engineering, ICNBME 2021
Y2 - 3 November 2021 through 5 November 2021
ER -
ID: 35199320