Issue 26, 2025

Magnetoresistance in Au/1,4-benzene-dithiol/Au and Au/1,4-benzene-dimethanethiol/Au single-molecule junctions

Abstract

Positive and negative magnetoresistance (MR) in single-molecule Au/BDT/Au and Au/BDMT/Au junctions appeared at 100 mT, revealing π-orbital influence. Differences in MR behaviors arise from singlet–triplet state modulation by exchange interaction, explaining the MR sign reversal. These findings provide new insight into magneto-transport in π-conjugated molecular junctions.

Graphical abstract: Magnetoresistance in Au/1,4-benzene-dithiol/Au and Au/1,4-benzene-dimethanethiol/Au single-molecule junctions

Supplementary files

Article information

Article type
Communication
Submitted
07 Apr 2025
Accepted
11 Jun 2025
First published
11 Jun 2025
This article is Open Access
Creative Commons BY-NC license

Phys. Chem. Chem. Phys., 2025,27, 13812-13816

Magnetoresistance in Au/1,4-benzene-dithiol/Au and Au/1,4-benzene-dimethanethiol/Au single-molecule junctions

R. Andika, G. G. Redhyka, R. Yamada and H. Tada, Phys. Chem. Chem. Phys., 2025, 27, 13812 DOI: 10.1039/D5CP01321F

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