New organic conductors based on tellurium-containing donor molecules

Ojima, Emiko; Fujiwara, Hideki; Kobayashi, Hayao; Tokumoto, M.; Kobayashi, Akiko

doi:10.1080/713738711

Cited by 3 publications

(3 citation statements)

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“…The sign of the induced magnetic field depends on the direction of pulsed current densities of ±82 A cm −2 as demonstrated by ± shifts in the chemical shielding of 125 Te by nuclear magnetic resonance [35] . It is easy to imagine a comparable experiment executed on a tellurium containing TTF derivative [36] …”

Section: Inverse Electrical Magnetochiral Anisotropymentioning

confidence: 99%

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Chiral Crystals, Jack, Conductivity and Magnetism

Kahr

Yang

Whittaker

et al. 2023

Helvetica Chimica Acta

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In Memory of Jack DunitzRecently, the application of magnetic fields to chiral chemical systems has been rewarding. In a forwardlooking 1986 paper, 'Chiral Metals?', Wallis, Karrer, and Jack D. Dunitz forecast 'that the limitation to proper symmetry elements in a chiral conductor could be associated with the emergence of new properties, those connected with interactions between applied electric and magnetic fields and their internal counterparts.' This was a prescient remark, but it has become manifest in ways that would not have been foreseen in its details by the authors. Here are reviewed the development of chiral conductors broadly imagined by Dunitz and coworkers, based on enantiopure tetrathiafulvalene derivatives that restrict space groups to those that have only symmetry operations of the first kind, as well as the new emergent properties associated with the transport of electrons when magnetic fields are applied to chiral crystals among other systems. These include electrical magnetochiral anisotropy (eMChA), inverse electrical magnetochiral anisotropy (ieMChA), helimagnetism and chirality induced spin selectivity (CISS). The conclusion discussing the circumstances under which achiral TTF crystals becomes chiral, only seems to introduce an oxymoron.

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Section: Inverse Electrical Magnetochiral Anisotropymentioning

confidence: 99%

“…[35] It is easy to imagine a comparable experiment executed on a tellurium containing TTF derivative. [36]…”

Section: Inverse Electrical Magnetochiral Anisotropymentioning

confidence: 99%

Chiral Crystals, Jack, Conductivity and Magnetism

Kahr

Yang

Whittaker

et al. 2023

Helvetica Chimica Acta

View full text Add to dashboard Cite

show abstract

“…264 Recent Examples of the Use of Strategy III. This strategy is still regularly used, as is shown by the synthesis of dimethyl-TTF substituted by a tellurium-containing heterocycle (Scheme 64) 265 used as a precursor for conducting salts. It is also important to mention the recent preparation, via this method (Scheme 65), 248 of TTFs substituted by nitrogen-containing aromatic ligands able to complex various paramagnetic transition metals, that are potential precursors for magnetic-conducting materials.…”

Section: Disadvantages and Advantagesmentioning

confidence: 99%