Long-Range Spin-Selective Transport in Chiral Metal-Organic Crystals with Temperature-Activated Magnetization

Amit Kumar Mondal; Noam Brown; Suryakant Mishra; Pandeeswar Makam; Dahvyd Wing; Sharon Gilead; Yarden Wiesenfeld; Gregory Leitus; Linda J.W. Shimon; Raanan Carmieli; David Ehre; Grzegorz Kamieniarz; Jonas Fransson; Oded Hod; Leeor Kronik; Ehud Gazit; Ron Naaman

doi:10.1021/acsnano.0c07569

Long-Range Spin-Selective Transport in Chiral Metal-Organic Crystals with Temperature-Activated Magnetization

Amit Kumar Mondal, Noam Brown, Suryakant Mishra, Pandeeswar Makam, Dahvyd Wing, Sharon Gilead, Yarden Wiesenfeld, Gregory Leitus, Linda J.W. Shimon, Raanan Carmieli, David Ehre, Grzegorz Kamieniarz, Jonas Fransson, Oded Hod^*, Leeor Kronik^*, Ehud Gazit, Ron Naaman^*

^*Corresponding author for this work

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

Abstract

Room-temperature, long-range (300 nm), chirality-induced spin-selective electron conduction is found in chiral metal-organic Cu(II) phenylalanine crystals, using magnetic conductive-probe atomic force microscopy. These crystals are found to be also weakly ferromagnetic and ferroelectric. Notably, the observed ferromagnetism is thermally activated, so that the crystals are antiferromagnetic at low temperatures and become ferromagnetic above ∼50 K. Electron paramagnetic resonance measurements and density functional theory calculations suggest that these unusual magnetic properties result from indirect exchange interaction of the Cu(II) ions through the chiral lattice.

Original language	English
Pages (from-to)	16624-16633
Number of pages	10
Journal	ACS Nano
Volume	14
Issue number	12
DOIs	https://doi.org/10.1021/acsnano.0c07569
State	Published - 22 Dec 2020

Keywords

CISS effect
chiral crystals
long-range spin-selective transport
metabolite materials
multiferroic materials
spin filter

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10.1021/acsnano.0c07569

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Mondal, A. K., Brown, N., Mishra, S., Makam, P., Wing, D., Gilead, S., Wiesenfeld, Y., Leitus, G., Shimon, L. J. W., Carmieli, R., Ehre, D., Kamieniarz, G., Fransson, J., Hod, O., Kronik, L., Gazit, E., & Naaman, R. (2020). Long-Range Spin-Selective Transport in Chiral Metal-Organic Crystals with Temperature-Activated Magnetization. ACS Nano, 14(12), 16624-16633. https://doi.org/10.1021/acsnano.0c07569

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title = "Long-Range Spin-Selective Transport in Chiral Metal-Organic Crystals with Temperature-Activated Magnetization",

abstract = "Room-temperature, long-range (300 nm), chirality-induced spin-selective electron conduction is found in chiral metal-organic Cu(II) phenylalanine crystals, using magnetic conductive-probe atomic force microscopy. These crystals are found to be also weakly ferromagnetic and ferroelectric. Notably, the observed ferromagnetism is thermally activated, so that the crystals are antiferromagnetic at low temperatures and become ferromagnetic above ∼50 K. Electron paramagnetic resonance measurements and density functional theory calculations suggest that these unusual magnetic properties result from indirect exchange interaction of the Cu(II) ions through the chiral lattice.",

keywords = "CISS effect, chiral crystals, long-range spin-selective transport, metabolite materials, multiferroic materials, spin filter",

author = "Mondal, {Amit Kumar} and Noam Brown and Suryakant Mishra and Pandeeswar Makam and Dahvyd Wing and Sharon Gilead and Yarden Wiesenfeld and Gregory Leitus and Shimon, {Linda J.W.} and Raanan Carmieli and David Ehre and Grzegorz Kamieniarz and Jonas Fransson and Oded Hod and Leeor Kronik and Ehud Gazit and Ron Naaman",

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year = "2020",

month = dec,

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doi = "10.1021/acsnano.0c07569",

language = "אנגלית",

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Mondal, AK, Brown, N, Mishra, S, Makam, P, Wing, D, Gilead, S, Wiesenfeld, Y, Leitus, G, Shimon, LJW, Carmieli, R, Ehre, D, Kamieniarz, G, Fransson, J, Hod, O, Kronik, L, Gazit, E & Naaman, R 2020, 'Long-Range Spin-Selective Transport in Chiral Metal-Organic Crystals with Temperature-Activated Magnetization', ACS Nano, vol. 14, no. 12, pp. 16624-16633. https://doi.org/10.1021/acsnano.0c07569

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T1 - Long-Range Spin-Selective Transport in Chiral Metal-Organic Crystals with Temperature-Activated Magnetization

AU - Mondal, Amit Kumar

AU - Brown, Noam

AU - Mishra, Suryakant

AU - Makam, Pandeeswar

AU - Wing, Dahvyd

AU - Gilead, Sharon

AU - Wiesenfeld, Yarden

AU - Leitus, Gregory

AU - Shimon, Linda J.W.

AU - Carmieli, Raanan

AU - Ehre, David

AU - Kamieniarz, Grzegorz

AU - Fransson, Jonas

AU - Hod, Oded

AU - Kronik, Leeor

AU - Gazit, Ehud

AU - Naaman, Ron

PY - 2020/12/22

Y1 - 2020/12/22

N2 - Room-temperature, long-range (300 nm), chirality-induced spin-selective electron conduction is found in chiral metal-organic Cu(II) phenylalanine crystals, using magnetic conductive-probe atomic force microscopy. These crystals are found to be also weakly ferromagnetic and ferroelectric. Notably, the observed ferromagnetism is thermally activated, so that the crystals are antiferromagnetic at low temperatures and become ferromagnetic above ∼50 K. Electron paramagnetic resonance measurements and density functional theory calculations suggest that these unusual magnetic properties result from indirect exchange interaction of the Cu(II) ions through the chiral lattice.

AB - Room-temperature, long-range (300 nm), chirality-induced spin-selective electron conduction is found in chiral metal-organic Cu(II) phenylalanine crystals, using magnetic conductive-probe atomic force microscopy. These crystals are found to be also weakly ferromagnetic and ferroelectric. Notably, the observed ferromagnetism is thermally activated, so that the crystals are antiferromagnetic at low temperatures and become ferromagnetic above ∼50 K. Electron paramagnetic resonance measurements and density functional theory calculations suggest that these unusual magnetic properties result from indirect exchange interaction of the Cu(II) ions through the chiral lattice.

KW - CISS effect

KW - chiral crystals

KW - long-range spin-selective transport

KW - metabolite materials

KW - multiferroic materials

KW - spin filter

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Long-Range Spin-Selective Transport in Chiral Metal-Organic Crystals with Temperature-Activated Magnetization

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