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Title: Spin-dependent charge transport through 2D chiral hybrid lead-iodide perovskites

Abstract

Chiral-induced spin selectivity (CISS) occurs when the chirality of the transporting medium selects one of the two spin ½ states to transport through the media while blocking the other. Monolayers of chiral organic molecules demonstrate CISS but are limited in their efficiency and utility by the requirement of a monolayer to preserve the spin selectivity. We demonstrate CISS in a system that integrates an inorganic framework with a chiral organic sublattice inducing chirality to the hybrid system. Using magnetic conductive-probe atomic force microscopy, we find that oriented chiral 2D-layered Pb-iodide organic/inorganic hybrid perovskite systems exhibit CISS. Electron transport through the perovskite films depends on the magnetization of the probe tip and the handedness of the chiral molecule. The films achieve a highest spin-polarization transport of up to 86%. Magnetoresistance studies in modified spin-valve devices having only one ferromagnet electrode confirm the occurrence of spin-dependent charge transport through the organic/inorganic layers.

Authors:
ORCiD logo [1]; ORCiD logo [2];  [1];  [2]; ORCiD logo [1];  [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [2]
  1. National Renewable Energy Lab. (NREL), Golden, CO (United States)
  2. Univ. of Utah, Salt Lake City, UT (United States)
Publication Date:
Research Org.:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1593083
Report Number(s):
NREL/JA-5900-73594
Journal ID: ISSN 2375-2548
Grant/Contract Number:  
AC36-08GO28308
Resource Type:
Accepted Manuscript
Journal Name:
Science Advances
Additional Journal Information:
Journal Volume: 5; Journal Issue: 12; Journal ID: ISSN 2375-2548
Publisher:
AAAS
Country of Publication:
United States
Language:
English
Subject:
14 SOLAR ENERGY; 36 MATERIALS SCIENCE; spin dependent transport; spintronics; perovskite; chirality

Citation Formats

Lu, Haipeng, Wang, Jingying, Xiao, Chuanxiao, Pan, Xin, Chen, Xihan, Brunecky, Roman, Berry, Joseph J., Zhu, Kai, Beard, Matthew C., and Vardeny, Zeev Valy. Spin-dependent charge transport through 2D chiral hybrid lead-iodide perovskites. United States: N. p., 2019. Web. doi:10.1126/sciadv.aay0571.
Lu, Haipeng, Wang, Jingying, Xiao, Chuanxiao, Pan, Xin, Chen, Xihan, Brunecky, Roman, Berry, Joseph J., Zhu, Kai, Beard, Matthew C., & Vardeny, Zeev Valy. Spin-dependent charge transport through 2D chiral hybrid lead-iodide perovskites. United States. doi:10.1126/sciadv.aay0571.
Lu, Haipeng, Wang, Jingying, Xiao, Chuanxiao, Pan, Xin, Chen, Xihan, Brunecky, Roman, Berry, Joseph J., Zhu, Kai, Beard, Matthew C., and Vardeny, Zeev Valy. Fri . "Spin-dependent charge transport through 2D chiral hybrid lead-iodide perovskites". United States. doi:10.1126/sciadv.aay0571. https://www.osti.gov/servlets/purl/1593083.
@article{osti_1593083,
title = {Spin-dependent charge transport through 2D chiral hybrid lead-iodide perovskites},
author = {Lu, Haipeng and Wang, Jingying and Xiao, Chuanxiao and Pan, Xin and Chen, Xihan and Brunecky, Roman and Berry, Joseph J. and Zhu, Kai and Beard, Matthew C. and Vardeny, Zeev Valy},
abstractNote = {Chiral-induced spin selectivity (CISS) occurs when the chirality of the transporting medium selects one of the two spin ½ states to transport through the media while blocking the other. Monolayers of chiral organic molecules demonstrate CISS but are limited in their efficiency and utility by the requirement of a monolayer to preserve the spin selectivity. We demonstrate CISS in a system that integrates an inorganic framework with a chiral organic sublattice inducing chirality to the hybrid system. Using magnetic conductive-probe atomic force microscopy, we find that oriented chiral 2D-layered Pb-iodide organic/inorganic hybrid perovskite systems exhibit CISS. Electron transport through the perovskite films depends on the magnetization of the probe tip and the handedness of the chiral molecule. The films achieve a highest spin-polarization transport of up to 86%. Magnetoresistance studies in modified spin-valve devices having only one ferromagnet electrode confirm the occurrence of spin-dependent charge transport through the organic/inorganic layers.},
doi = {10.1126/sciadv.aay0571},
journal = {Science Advances},
number = 12,
volume = 5,
place = {United States},
year = {2019},
month = {12}
}

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