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Investigations on temperature dependences of parameters of ¹²⁷I NQR spectrum of (BiI₃)(₁₋ₓ)(PbI₂)ₓ mixed layered semiconductor and alkaline halogens crystals

Investigations on temperature dependences of parameters of ¹²⁷I NQR spectrum of (BiI₃)(₁₋ₓ)(PbI₂)ₓ mixed layered semiconductor and alkaline halogens crystals

Results of investigations of the temperature dependence of NQR frequencies in the temperature range of 4.2-150 K for ¹²⁷I and ⁷⁹Br of the (BiI₃)(₁₋ₓ)(PbI₂)ₓ mixed layered semiconductor and the crystals of alkaline halogens are presented. The abnormally large absolute values of temperature coefficien...

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Main Authors: Vertegel, I.G., Chesnokov, E.D., Ovcharenko, O.I., Vertegel, I.I., Ivanov, O.S., Gnatenko, Yu.P., Ponkratenko, O.A.
Format: Article
Language:English
Published: НТК «Інститут монокристалів» НАН України 2017
Series:Functional Materials
Subjects:
Characterization and properties
Online Access:http://dspace.nbuv.gov.ua/handle/123456789/136785
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spelling irk-123456789-1367852018-06-17T03:02:43Z Investigations on temperature dependences of parameters of ¹²⁷I NQR spectrum of (BiI₃)(₁₋ₓ)(PbI₂)ₓ mixed layered semiconductor and alkaline halogens crystals Vertegel, I.G. Chesnokov, E.D. Ovcharenko, O.I. Vertegel, I.I. Ivanov, O.S. Gnatenko, Yu.P. Ponkratenko, O.A. Characterization and properties Results of investigations of the temperature dependence of NQR frequencies in the temperature range of 4.2-150 K for ¹²⁷I and ⁷⁹Br of the (BiI₃)(₁₋ₓ)(PbI₂)ₓ mixed layered semiconductor and the crystals of alkaline halogens are presented. The abnormally large absolute values of temperature coefficients of the NQR frequency for (BiI₃)(₁₋ₓ)(PbI₂)ₓ have been detected. It can be explained by influence of the point charges and interlayer fluctuations. It is concluded that the quasi-two-dimensional nature of the vibration states at PbI₂ contents of x ≤0.08 is persistent. The value of the orientation and translational vibrations frequency of the halogen ions assuming the correctness of the two-frequency model Bayer-Kushida has been calculated. 2017 Article Investigations on temperature dependences of parameters of ¹²⁷I NQR spectrum of (BiI₃)(₁₋ₓ)(PbI₂)ₓ mixed layered semiconductor and alkaline halogens crystals / I.G. Vertegel, E.D. Chesnokov, O.I. Ovcharenko, I.I. Vertegel, O.S. Ivanov, Yu.P. Gnatenko, O.A. Ponkratenko // Functional Materials. — 2017. — Т. 24, № 3. — С. 360-364. — Бібліогр.: 15 назв. — англ. 1027-5495 DOI: https://doi.org/10.15407/fm24.03.360 http://dspace.nbuv.gov.ua/handle/123456789/136785 en Functional Materials НТК «Інститут монокристалів» НАН України
institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
collection DSpace DC
language English
topic Characterization and properties
Characterization and properties
spellingShingle Characterization and properties
Characterization and properties
Vertegel, I.G.
Chesnokov, E.D.
Ovcharenko, O.I.
Vertegel, I.I.
Ivanov, O.S.
Gnatenko, Yu.P.
Ponkratenko, O.A.
Investigations on temperature dependences of parameters of ¹²⁷I NQR spectrum of (BiI₃)(₁₋ₓ)(PbI₂)ₓ mixed layered semiconductor and alkaline halogens crystals
Functional Materials
description Results of investigations of the temperature dependence of NQR frequencies in the temperature range of 4.2-150 K for ¹²⁷I and ⁷⁹Br of the (BiI₃)(₁₋ₓ)(PbI₂)ₓ mixed layered semiconductor and the crystals of alkaline halogens are presented. The abnormally large absolute values of temperature coefficients of the NQR frequency for (BiI₃)(₁₋ₓ)(PbI₂)ₓ have been detected. It can be explained by influence of the point charges and interlayer fluctuations. It is concluded that the quasi-two-dimensional nature of the vibration states at PbI₂ contents of x ≤0.08 is persistent. The value of the orientation and translational vibrations frequency of the halogen ions assuming the correctness of the two-frequency model Bayer-Kushida has been calculated.
format Article
author Vertegel, I.G.
Chesnokov, E.D.
Ovcharenko, O.I.
Vertegel, I.I.
Ivanov, O.S.
Gnatenko, Yu.P.
Ponkratenko, O.A.
author_facet Vertegel, I.G.
Chesnokov, E.D.
Ovcharenko, O.I.
Vertegel, I.I.
Ivanov, O.S.
Gnatenko, Yu.P.
Ponkratenko, O.A.
author_sort Vertegel, I.G.
title Investigations on temperature dependences of parameters of ¹²⁷I NQR spectrum of (BiI₃)(₁₋ₓ)(PbI₂)ₓ mixed layered semiconductor and alkaline halogens crystals
title_short Investigations on temperature dependences of parameters of ¹²⁷I NQR spectrum of (BiI₃)(₁₋ₓ)(PbI₂)ₓ mixed layered semiconductor and alkaline halogens crystals
title_full Investigations on temperature dependences of parameters of ¹²⁷I NQR spectrum of (BiI₃)(₁₋ₓ)(PbI₂)ₓ mixed layered semiconductor and alkaline halogens crystals
title_fullStr Investigations on temperature dependences of parameters of ¹²⁷I NQR spectrum of (BiI₃)(₁₋ₓ)(PbI₂)ₓ mixed layered semiconductor and alkaline halogens crystals
title_full_unstemmed Investigations on temperature dependences of parameters of ¹²⁷I NQR spectrum of (BiI₃)(₁₋ₓ)(PbI₂)ₓ mixed layered semiconductor and alkaline halogens crystals
title_sort investigations on temperature dependences of parameters of ¹²⁷i nqr spectrum of (bii₃)(₁₋ₓ)(pbi₂)ₓ mixed layered semiconductor and alkaline halogens crystals
publisher НТК «Інститут монокристалів» НАН України
publishDate 2017
topic_facet Characterization and properties
url http://dspace.nbuv.gov.ua/handle/123456789/136785
citation_txt Investigations on temperature dependences of parameters of ¹²⁷I NQR spectrum of (BiI₃)(₁₋ₓ)(PbI₂)ₓ mixed layered semiconductor and alkaline halogens crystals / I.G. Vertegel, E.D. Chesnokov, O.I. Ovcharenko, I.I. Vertegel, O.S. Ivanov, Yu.P. Gnatenko, O.A. Ponkratenko // Functional Materials. — 2017. — Т. 24, № 3. — С. 360-364. — Бібліогр.: 15 назв. — англ.
series Functional Materials
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first_indexed 2023-10-18T21:14:04Z
last_indexed 2023-10-18T21:14:04Z
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