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Structure and magnetic property of potassium intercalated pentacene: observation of superconducting phase in KxC22H14

Takeshi Nakagawa, Zhen Yuan, Jun Zhang, Kirill Yusenko, Christina Drathen, QingQing Liu, Serena Margadonna Orcid Logo, Changqing Jin

Journal of Physics: Condensed Matter, Volume: 28, Issue: 48, Start page: 484001

Swansea University Authors: Kirill Yusenko, Serena Margadonna Orcid Logo

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DOI (Published version): 10.1088/0953-8984/28/48/484001

Abstract

We report the results from systematic investigations on the structure and magnetic properties of potassium intercalated pentacene as a function of potassium content, K x C22H14 (1  ≤  x  ≤  3). Synchrotron radiation powder x-ray diffraction technique revealed that there are two different stable phas...

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Published in: Journal of Physics: Condensed Matter
ISSN: 0953-8984 1361-648X
Published: 2016
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URI: https://cronfa.swan.ac.uk/Record/cronfa30247
first_indexed 2016-09-28T19:01:14Z
last_indexed 2020-07-17T18:47:09Z
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spelling 2020-07-17T13:40:40.2854659 v2 30247 2016-09-28 Structure and magnetic property of potassium intercalated pentacene: observation of superconducting phase in KxC22H14 5f69729173cc92ee7f08d59ffcef3e81 Kirill Yusenko Kirill Yusenko true false e31904a10b1b1240b98ab52d9977dfbe 0000-0002-6996-6562 Serena Margadonna Serena Margadonna true false 2016-09-28 We report the results from systematic investigations on the structure and magnetic properties of potassium intercalated pentacene as a function of potassium content, K x C22H14 (1  ≤  x  ≤  3). Synchrotron radiation powder x-ray diffraction technique revealed that there are two different stable phases can be obtained via potassium intercalation, namely, K1C22H14 phase and K3C22H14 phase. Structural phase transition was induced when the potassium content was increased to the nominal value x  =  3. This phase transition is accompanied by drastic change in their magnetic property, where those samples with compositions K1C22H14 shows ferromagnetic behavior and those with near K3C22H14 lead to observation of superconductivity with transition temperature, T c, of 4.5 K. It is first time that superconductivity was observed in linear oligoacenes. Both magnetization study and synchrotron radiation powder x-ray diffraction clearly indicates that the superconducting phase belong to K3C22H14 as a result of phase transition from triclinic to monoclinic structure induced by chemical doping. Journal Article Journal of Physics: Condensed Matter 28 48 484001 0953-8984 1361-648X organic superconductors, crystal structure, intercolated compounds 26 9 2016 2016-09-26 10.1088/0953-8984/28/48/484001 COLLEGE NANME COLLEGE CODE Swansea University 2020-07-17T13:40:40.2854659 2016-09-28T13:08:39.7723859 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemical Engineering Takeshi Nakagawa 1 Zhen Yuan 2 Jun Zhang 3 Kirill Yusenko 4 Christina Drathen 5 QingQing Liu 6 Serena Margadonna 0000-0002-6996-6562 7 Changqing Jin 8 0030247-07102016090815.pdf nakagawa2016.pdf 2016-10-07T09:08:15.3530000 Output 702818 application/pdf Accepted Manuscript true 2017-09-26T00:00:00.0000000 true
title Structure and magnetic property of potassium intercalated pentacene: observation of superconducting phase in KxC22H14
spellingShingle Structure and magnetic property of potassium intercalated pentacene: observation of superconducting phase in KxC22H14
Kirill Yusenko
Serena Margadonna
title_short Structure and magnetic property of potassium intercalated pentacene: observation of superconducting phase in KxC22H14
title_full Structure and magnetic property of potassium intercalated pentacene: observation of superconducting phase in KxC22H14
title_fullStr Structure and magnetic property of potassium intercalated pentacene: observation of superconducting phase in KxC22H14
title_full_unstemmed Structure and magnetic property of potassium intercalated pentacene: observation of superconducting phase in KxC22H14
title_sort Structure and magnetic property of potassium intercalated pentacene: observation of superconducting phase in KxC22H14
author_id_str_mv 5f69729173cc92ee7f08d59ffcef3e81
e31904a10b1b1240b98ab52d9977dfbe
author_id_fullname_str_mv 5f69729173cc92ee7f08d59ffcef3e81_***_Kirill Yusenko
e31904a10b1b1240b98ab52d9977dfbe_***_Serena Margadonna
author Kirill Yusenko
Serena Margadonna
author2 Takeshi Nakagawa
Zhen Yuan
Jun Zhang
Kirill Yusenko
Christina Drathen
QingQing Liu
Serena Margadonna
Changqing Jin
format Journal article
container_title Journal of Physics: Condensed Matter
container_volume 28
container_issue 48
container_start_page 484001
publishDate 2016
institution Swansea University
issn 0953-8984
1361-648X
doi_str_mv 10.1088/0953-8984/28/48/484001
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Chemical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Chemical Engineering
document_store_str 1
active_str 0
description We report the results from systematic investigations on the structure and magnetic properties of potassium intercalated pentacene as a function of potassium content, K x C22H14 (1  ≤  x  ≤  3). Synchrotron radiation powder x-ray diffraction technique revealed that there are two different stable phases can be obtained via potassium intercalation, namely, K1C22H14 phase and K3C22H14 phase. Structural phase transition was induced when the potassium content was increased to the nominal value x  =  3. This phase transition is accompanied by drastic change in their magnetic property, where those samples with compositions K1C22H14 shows ferromagnetic behavior and those with near K3C22H14 lead to observation of superconductivity with transition temperature, T c, of 4.5 K. It is first time that superconductivity was observed in linear oligoacenes. Both magnetization study and synchrotron radiation powder x-ray diffraction clearly indicates that the superconducting phase belong to K3C22H14 as a result of phase transition from triclinic to monoclinic structure induced by chemical doping.
published_date 2016-09-26T06:55:29Z
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score 11.056959

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