Destabilization of the Charge Density Wave and the Absence of Superconductivity in ScV 6 Sn 6 under High Pressures up to 11 GPa
V Sn ( = Sc, Y, or rare earth) is a new family of kagome metals that have a similar vanadium structural motif as V Sb ( = K, Rb, Cs) compounds. Unlike V Sb , ScV Sn is the only compound among the series of V Sn that displays a charge density wave (CDW) order at ambient pressure, yet it shows no supe...
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Published in | Materials Vol. 15; no. 20 |
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Main Authors | , , , , , , , , , , , , , , |
Format | Journal Article |
Language | English |
Published |
Switzerland
21.10.2022
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Subjects | |
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Abstract | V
Sn
(
= Sc, Y, or rare earth) is a new family of kagome metals that have a similar vanadium structural motif as
V
Sb
(
= K, Rb, Cs) compounds. Unlike
V
Sb
, ScV
Sn
is the only compound among the series of
V
Sn
that displays a charge density wave (CDW) order at ambient pressure, yet it shows no superconductivity (SC) at low temperatures. Here, we perform a high-pressure transport study on the ScV
Sn
single crystal to track the evolutions of the CDW transition and to explore possible SC. In contrast to
V
Sb
compounds, the CDW order of ScV
Sn
can be suppressed completely by a pressure of about 2.4 GPa, but no SC is detected down to 40 mK at 2.35 GPa and 1.5 K up to 11 GPa. Moreover, we observed that the resistivity anomaly around the CDW transition undergoes an obvious change at ~2.04 GPa before it vanishes completely. The present work highlights a distinct relationship between CDW and SC in ScV
Sn
in comparison with the well-studied
V
Sb
. |
---|---|
AbstractList | V
Sn
(
= Sc, Y, or rare earth) is a new family of kagome metals that have a similar vanadium structural motif as
V
Sb
(
= K, Rb, Cs) compounds. Unlike
V
Sb
, ScV
Sn
is the only compound among the series of
V
Sn
that displays a charge density wave (CDW) order at ambient pressure, yet it shows no superconductivity (SC) at low temperatures. Here, we perform a high-pressure transport study on the ScV
Sn
single crystal to track the evolutions of the CDW transition and to explore possible SC. In contrast to
V
Sb
compounds, the CDW order of ScV
Sn
can be suppressed completely by a pressure of about 2.4 GPa, but no SC is detected down to 40 mK at 2.35 GPa and 1.5 K up to 11 GPa. Moreover, we observed that the resistivity anomaly around the CDW transition undergoes an obvious change at ~2.04 GPa before it vanishes completely. The present work highlights a distinct relationship between CDW and SC in ScV
Sn
in comparison with the well-studied
V
Sb
. |
Author | Xia, Wei Wang, Anqi Liu, Ziyi Shen, Jie Zhang, Xiaoxiao Wang, Bosen Zhang, Hua Hou, Jun Guo, Yanfeng Cheng, Jinguang Xu, Zhian Sun, Jianping Uwatoko, Yoshiya Yang, Pengtao Dong, Xiaoli |
Author_xml | – sequence: 1 givenname: Xiaoxiao orcidid: 0000-0003-3858-2053 surname: Zhang fullname: Zhang, Xiaoxiao organization: School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100190, China – sequence: 2 givenname: Jun surname: Hou fullname: Hou, Jun organization: School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100190, China – sequence: 3 givenname: Wei surname: Xia fullname: Xia, Wei organization: ShanghaiTech Laboratory for Topological Physics, Shanghai Tech University, Shanghai 201210, China – sequence: 4 givenname: Zhian surname: Xu fullname: Xu, Zhian organization: School of Physical Science and Technology, Shanghai Tech University, Shanghai 201210, China – sequence: 5 givenname: Pengtao orcidid: 0000-0001-9397-8734 surname: Yang fullname: Yang, Pengtao organization: Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China – sequence: 6 givenname: Anqi orcidid: 0000-0001-6606-7273 surname: Wang fullname: Wang, Anqi organization: School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100190, China – sequence: 7 givenname: Ziyi surname: Liu fullname: Liu, Ziyi organization: Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China – sequence: 8 givenname: Jie surname: Shen fullname: Shen, Jie organization: Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China – sequence: 9 givenname: Hua surname: Zhang fullname: Zhang, Hua organization: Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China – sequence: 10 givenname: Xiaoli surname: Dong fullname: Dong, Xiaoli organization: Songshan Lake Materials Laboratory, Dongguan 523808, China – sequence: 11 givenname: Yoshiya surname: Uwatoko fullname: Uwatoko, Yoshiya organization: Institute for Solid State Physics, University of Tokyo, Kashiwa 277-8581, Chiba, Japan – sequence: 12 givenname: Jianping orcidid: 0000-0002-2873-6023 surname: Sun fullname: Sun, Jianping organization: School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100190, China – sequence: 13 givenname: Bosen surname: Wang fullname: Wang, Bosen organization: School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100190, China – sequence: 14 givenname: Yanfeng orcidid: 0000-0002-9386-4857 surname: Guo fullname: Guo, Yanfeng organization: ShanghaiTech Laboratory for Topological Physics, Shanghai Tech University, Shanghai 201210, China – sequence: 15 givenname: Jinguang orcidid: 0000-0002-4969-1960 surname: Cheng fullname: Cheng, Jinguang organization: School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100190, China |
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Snippet | V
Sn
(
= Sc, Y, or rare earth) is a new family of kagome metals that have a similar vanadium structural motif as
V
Sb
(
= K, Rb, Cs) compounds. Unlike
V
Sb
,... |
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Title | Destabilization of the Charge Density Wave and the Absence of Superconductivity in ScV 6 Sn 6 under High Pressures up to 11 GPa |
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