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

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

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

Author(s) -

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,

G. Kamieniarz,

Jonas Fransson,

Oded Hod,

Leeor Kronik,

Ehud Gazit,

Ron Naaman

Publication year - 2020

Publication title -

acs nano

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.554

H-Index - 382

eISSN - 1936-086X

pISSN - 1936-0851

DOI - 10.1021/acsnano.0c07569

Subject(s) - ferromagnetism , materials science , antiferromagnetism , condensed matter physics , magnetization , electron paramagnetic resonance , atmospheric temperature range , paramagnetism , density functional theory , nuclear magnetic resonance , magnetic field , chemistry , computational chemistry , physics , meteorology , quantum mechanics

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.

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