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Electrical magnetochiral anisotropy in a bulk chiral molecular conductor

Author

Listed:
  • Flavia Pop

    (UMR 6200, CNRS, Laboratoire MOLTECH-Anjou, UFR Sciences, Université d'Angers, Bât. K, 2 Boulevard Lavoisier, 49045 Angers, France
    UPR3228 CNRS/INSA/UJF/UPS, Laboratoire National des Champs Magnétiques Intenses)

  • Pascale Auban-Senzier

    (Laboratoire de Physique des Solides, UMR 8502, Université Paris-Sud)

  • Enric Canadell

    (Campus Universitari de Bellaterra, Institut de Ciència de Materials de Barcelona (CSIC), 08193 Cerdanyola del Vallès, Catalonia, Spain)

  • Geert L. J. A. Rikken

    (UPR3228 CNRS/INSA/UJF/UPS, Laboratoire National des Champs Magnétiques Intenses)

  • Narcis Avarvari

    (UMR 6200, CNRS, Laboratoire MOLTECH-Anjou, UFR Sciences, Université d'Angers, Bât. K, 2 Boulevard Lavoisier, 49045 Angers, France)

Abstract

So far, no effect of chirality on the electrical properties of bulk chiral conductors has been observed. Introduction of chiral information in tetrathiafulvalene precursors represents a powerful strategy towards the preparation of crystalline materials in which the combination of chirality and conducting properties might allow the observation of the electrical magnetochiral anisotropy effect. Here we report the synthesis by electrocrystallization of both enantiomers of a bulk chiral organic conductor based on an enantiopure tetrathiafulvalene derivative. The enantiomeric salts crystallize in enantiomorphic hexagonal space groups. Single crystal resistivity measurements show metallic behaviour for the enantiopure salts down to 40 K, in agreement with band structure calculations. We describe here the first experimental evidence of electrical magnetochiral anisotropy in these crystals, confirming the chiral character of charge transport in our molecular materials.

Suggested Citation

  • Flavia Pop & Pascale Auban-Senzier & Enric Canadell & Geert L. J. A. Rikken & Narcis Avarvari, 2014. "Electrical magnetochiral anisotropy in a bulk chiral molecular conductor," Nature Communications, Nature, vol. 5(1), pages 1-6, September.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms4757
    DOI: 10.1038/ncomms4757
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    Cited by:

    1. Junhyeon Jo & Jung Hwa Kim & Choong H. Kim & Jaebyeong Lee & Daeseong Choe & Inseon Oh & Seunghyun Lee & Zonghoon Lee & Hosub Jin & Jung-Woo Yoo, 2022. "Defect-gradient-induced Rashba effect in van der Waals PtSe2 layers," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    2. Geert L. J. A. Rikken & Narcis Avarvari, 2022. "Dielectric magnetochiral anisotropy," Nature Communications, Nature, vol. 13(1), pages 1-5, December.
    3. Hidetoshi Masuda & Takeshi Seki & Jun-ichiro Ohe & Yoichi Nii & Hiroto Masuda & Koki Takanashi & Yoshinori Onose, 2024. "Room temperature chirality switching and detection in a helimagnetic MnAu2 thin film," Nature Communications, Nature, vol. 15(1), pages 1-8, December.

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