Spin Filtering Along Chiral Polymers

Suryakant Mishra; Amit Kumar Mondal; Eilam Z.B. Smolinsky; Ron Naaman; Katsuhiro Maeda; Tatsuya Nishimura; Tsuyoshi Taniguchi; Takumu Yoshida; Kokoro Takayama; Eiji Yashima

doi:10.1002/anie.202006570

Spin Filtering Along Chiral Polymers

Suryakant Mishra
, Amit Kumar Mondal
, Eilam Z.B. Smolinsky
, Ron Naaman
, Katsuhiro Maeda
, Tatsuya Nishimura
, Tsuyoshi Taniguchi
, Takumu Yoshida
, Kokoro Takayama
, Eiji Yashima

Research output: Contribution to journal › Article › peer-review

90 Scopus citations

Abstract

Spin-dependent conduction and polarization in chiral polymers were studied for polymers organized as self-assembled monolayers with conduction along the polymer backbone, namely, along its longer axis. Large spin polarization and magnetoresistance effects were observed, showing a clear dependence on the secondary structure of the polymer. The results indicate that the spin polarization process does not include spin flipping and hence it results from backscattering probabilities for the two spin states.

Original language	English
Pages (from-to)	14671-14676
Number of pages	6
Journal	Angewandte Chemie - International Edition
Volume	59
Issue number	34
DOIs	https://doi.org/10.1002/anie.202006570
State	Published - 17 Aug 2020
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2020 The Authors. Published by Wiley-VCH Verlag GmbH & Co. KGaA.

Funding

E.Z.B.S. and R.N. acknowledge the help of Dr. G. Leitus in conducting the MR measurements. S.M., A.K.M., E.Z.B.S., and R.N. acknowledge the partial support from the Israel Ministry of Science, from Israel Science Foundation, and from the John Templeton Foundation. This work was also supported in part by JSPS KAKENHI (Grant‐in‐Aid for Specially Promoted Research, no. 18H05209 (K.M. and E.Y.), Grants‐in‐Aid for Scientific Research (C), no. 18K04723 (T.N.)), and the World Premier International Research Center Initiative (WPI) of the Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan.

Funders	Funder number
Israel Ministry of Science
World Premier International Research Center Initiative
John Templeton Foundation
Japan Society for the Promotion of Science	18H05209, 18K04723
Ministry of Education, Culture, Sports, Science and Technology
Israel Science Foundation

Keywords

chirality
electron transport
materials chemistry
polymers
self-assembly

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10.1002/anie.202006570

Cite this

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title = "Spin Filtering Along Chiral Polymers",

abstract = "Spin-dependent conduction and polarization in chiral polymers were studied for polymers organized as self-assembled monolayers with conduction along the polymer backbone, namely, along its longer axis. Large spin polarization and magnetoresistance effects were observed, showing a clear dependence on the secondary structure of the polymer. The results indicate that the spin polarization process does not include spin flipping and hence it results from backscattering probabilities for the two spin states.",

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AU - Mishra, Suryakant

AU - Mondal, Amit Kumar

AU - Smolinsky, Eilam Z.B.

AU - Naaman, Ron

AU - Maeda, Katsuhiro

AU - Nishimura, Tatsuya

AU - Taniguchi, Tsuyoshi

AU - Yoshida, Takumu

AU - Takayama, Kokoro

AU - Yashima, Eiji

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N2 - Spin-dependent conduction and polarization in chiral polymers were studied for polymers organized as self-assembled monolayers with conduction along the polymer backbone, namely, along its longer axis. Large spin polarization and magnetoresistance effects were observed, showing a clear dependence on the secondary structure of the polymer. The results indicate that the spin polarization process does not include spin flipping and hence it results from backscattering probabilities for the two spin states.

AB - Spin-dependent conduction and polarization in chiral polymers were studied for polymers organized as self-assembled monolayers with conduction along the polymer backbone, namely, along its longer axis. Large spin polarization and magnetoresistance effects were observed, showing a clear dependence on the secondary structure of the polymer. The results indicate that the spin polarization process does not include spin flipping and hence it results from backscattering probabilities for the two spin states.

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KW - electron transport

KW - materials chemistry

KW - polymers

KW - self-assembly

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Spin Filtering Along Chiral Polymers

Abstract

Bibliographical note

Funding

Keywords

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