Lower critical field of layered organic superconductor with asymmetrical donor κ-(Mdt-ttf)2aui2

Dita Puspita Sari; Rui Naito; Kaito Miki; Isao Watanabe; Hiromi Taniguchi; Yasuyuki Ishii

doi:10.4028/www.scientific.net/KEM.855.221

Lower critical field of layered organic superconductor with asymmetrical donor κ-(Mdt-ttf)₂aui₂

Dita Puspita Sari, Rui Naito, Kaito Miki, Isao Watanabe, Hiromi Taniguchi, Yasuyuki Ishii

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

We report magnetization measurement in the superconducting state of a type-II organic layered superconductor with asymmetrical donor k-(MDT-TTF)2AuI2. The demagnetization factor of a plate-like shape of the single crystal has been taken into account for the measurement by applying an external field perpendicular to the conducting plane. The superconducting transition temperature TC is determined to be 4.7 K through the detection of demagnetization signal. The lower critical field is 10.33±0.12 G. This result implies that the stable vortex state of k-(MDT-TTF)2AuI2 can be reached at the applied magnetic field above 105 Oe.

Original language	English
Title of host publication	Magnetism and its Application
Editors	Budi Purnama, Darminto, Risdiana
Publisher	Trans Tech Publications Ltd
Pages	221-226
Number of pages	6
ISBN (Print)	9783035717044
DOIs	https://doi.org/10.4028/www.scientific.net/KEM.855.221
Publication status	Published - 2020
Event	International Conference on Magnetism and Its Application, ICMIA 2019 - Surakarta, Indonesia Duration: 2019 Nov 20 → 2019 Nov 21

Publication series

Name	Key Engineering Materials
Volume	855 KEM
ISSN (Print)	1013-9826
ISSN (Electronic)	1662-9795

Conference

Conference	International Conference on Magnetism and Its Application, ICMIA 2019
Country/Territory	Indonesia
City	Surakarta
Period	19/11/20 → 19/11/21

Keywords

Lower-critical-field
Organic superconductor
Three-dimensionality
µSR

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

Access to Document

10.4028/www.scientific.net/KEM.855.221

Cite this

Sari, D. P., Naito, R., Miki, K., Watanabe, I., Taniguchi, H., & Ishii, Y. (2020). Lower critical field of layered organic superconductor with asymmetrical donor κ-(Mdt-ttf)₂aui₂. In B. Purnama, Darminto, & Risdiana (Eds.), Magnetism and its Application (pp. 221-226). (Key Engineering Materials; Vol. 855 KEM). Trans Tech Publications Ltd. https://doi.org/10.4028/www.scientific.net/KEM.855.221

Lower critical field of layered organic superconductor with asymmetrical donor κ-(Mdt-ttf)₂aui₂. / Sari, Dita Puspita; Naito, Rui; Miki, Kaito et al.

Magnetism and its Application. ed. / Budi Purnama; Darminto; Risdiana. Trans Tech Publications Ltd, 2020. p. 221-226 (Key Engineering Materials; Vol. 855 KEM).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Sari, DP, Naito, R, Miki, K, Watanabe, I, Taniguchi, H & Ishii, Y 2020, Lower critical field of layered organic superconductor with asymmetrical donor κ-(Mdt-ttf)₂aui₂. in B Purnama, Darminto & Risdiana (eds), Magnetism and its Application. Key Engineering Materials, vol. 855 KEM, Trans Tech Publications Ltd, pp. 221-226, International Conference on Magnetism and Its Application, ICMIA 2019, Surakarta, Indonesia, 19/11/20. https://doi.org/10.4028/www.scientific.net/KEM.855.221

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abstract = "We report magnetization measurement in the superconducting state of a type-II organic layered superconductor with asymmetrical donor k-(MDT-TTF)2AuI2. The demagnetization factor of a plate-like shape of the single crystal has been taken into account for the measurement by applying an external field perpendicular to the conducting plane. The superconducting transition temperature TC is determined to be 4.7 K through the detection of demagnetization signal. The lower critical field is 10.33±0.12 G. This result implies that the stable vortex state of k-(MDT-TTF)2AuI2 can be reached at the applied magnetic field above 105 Oe.",

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note = "Funding Information: The author D. P. S. acknowledges the Postdoctoral Fellowship program at Shibaura Institute of Technology. Publisher Copyright: {\textcopyright} 2020 Trans Tech Publications Ltd, Switzerland.; International Conference on Magnetism and Its Application, ICMIA 2019 ; Conference date: 20-11-2019 Through 21-11-2019",

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AU - Taniguchi, Hiromi

AU - Ishii, Yasuyuki

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N2 - We report magnetization measurement in the superconducting state of a type-II organic layered superconductor with asymmetrical donor k-(MDT-TTF)2AuI2. The demagnetization factor of a plate-like shape of the single crystal has been taken into account for the measurement by applying an external field perpendicular to the conducting plane. The superconducting transition temperature TC is determined to be 4.7 K through the detection of demagnetization signal. The lower critical field is 10.33±0.12 G. This result implies that the stable vortex state of k-(MDT-TTF)2AuI2 can be reached at the applied magnetic field above 105 Oe.

AB - We report magnetization measurement in the superconducting state of a type-II organic layered superconductor with asymmetrical donor k-(MDT-TTF)2AuI2. The demagnetization factor of a plate-like shape of the single crystal has been taken into account for the measurement by applying an external field perpendicular to the conducting plane. The superconducting transition temperature TC is determined to be 4.7 K through the detection of demagnetization signal. The lower critical field is 10.33±0.12 G. This result implies that the stable vortex state of k-(MDT-TTF)2AuI2 can be reached at the applied magnetic field above 105 Oe.

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