Physical Properties of One Dimensional Conductors

Delhaès, P.; Coulon, C.; Amiell, J.; Flandrois, S.; Toreilles, E.; Fabre, Jean‐Marc; Giral, L.

doi:10.1080/15421407908084413

Cited by 114 publications

(34 citation statements)

References 13 publications

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“…Molecular stacks of slightly dimerized TMTTF molecules are found in these structures. As mentioned by Delhaes et al (1979), this dimerization in a triclinic crystal structure necessarily leads to a gap in the electronic band structure. The gap does not, however, open at the Fermi level, and it is thus uncertain how this influences the transport properties.…”

Section: Introductionmentioning

confidence: 90%

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The structure of di(2,3,6,7-tetramethyl-1,4,5,8-tetraselenafulvalenium) hexafluorophosphate, (TMTSF)2PF6, the first superconducting organic solid

Thorup¹,

Rindorf²,

Soling³

et al. 1981

Acta Crystallogr Sect B

222

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The structure of 2C10H12SeX/2+.pF~ -, M r = 1041.06, a solid which exhibits superconductivity at 1.2 GPa below 0.9 K, has been determined at ambient pressure and temperature (295 K). (TMTSF)2PF 6 crystallizes in the triclinic space group P1 with a = 7.297 (1) mm-k Least-squares refinement of the structure gave R = 0.038 and R~ = 0.043 for 1466 reflections. The nearly planar TMTSF units are almost perpendicular to a (deviation 1.1 °) and form stacks along a. Within a stack the units repeat by an inversion leading to overlap displacements alternating in the direction of the long molecular axis and two independent interplanar distances of 3.63 and 3.66/k. The slight dimerization is clearly reflected in the intermolecular Se-Se distances. PF~ is centrosymmetric and shows considerable thermal motion.

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Section: Introductionmentioning

confidence: 90%

“…Earlier, analogous S compounds, (TMTTF)2X , have been investigated with respect to physical properties (Delhaes et al, 1979) as well as crystal structures (Galign6 et al, 1978(Galign6 et al, , 1979aGalign6, Peytavin, Liautard & Brun, 1980). Molecular stacks of slightly dimerized TMTTF molecules are found in these structures.…”

Section: Introductionmentioning

confidence: 99%

The structure of di(2,3,6,7-tetramethyl-1,4,5,8-tetraselenafulvalenium) hexafluorophosphate, (TMTSF)2PF6, the first superconducting organic solid

Thorup¹,

Rindorf²,

Soling³

et al. 1981

Acta Crystallogr Sect B

222

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“…On the other hand, the isomorphous (TMTTF) 2 X salts developed by Fabre, Delhaes, et al [329][330][331][332][333] have much weaker side-by-side transfer interactions and stronger dimerization along the face-to-face direction than those of (TMTSF) 2 X, and also undergo a wide variety of phase transitions (charge ordering, anion ordering, SDW, spin-Peierls, and superconducting, Table 14). Charge-localized feature is claimed even in the high-temperature region, where a metallic temperature dependence is experimentally observed in resistivity.…”

Section: Conductors Of Charge Transfer Typementioning

confidence: 99%

Development of Conductive Organic Molecular Assemblies: Organic Metals, Superconductors, and Exotic Functional Materials

Saito¹,

Yoshida²

2007

Bulletin of the Chemical Society of Japan

367

127

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“…The crystals have been prepared using standard electrochemical procedures [16]. Electrical contacts were prepared by first evaporating gold pads on nearly the whole surface of the sample's ends on which thin gold wires were attached afterwards with silver paste.…”

Section: Methodsmentioning

confidence: 99%

Dielectric response of the charge-induced correlated state in the quasi-one-dimensional conductor(TMTTF)2PF6

et al. 2000

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Dear Editors,We would like to submit our manuscript entitled "Dielectric response of charge induced correlated state in quasi-one-dimensional conductor (TMTTF) 2 PF 6 " for publication in Phys. Rev. We previously submitted it to Phys. Rev. Lett. (code number LH7335).The delay for resubmission has been caused by difficulties in communication between coauthors, one at Moscow, another visiting Japan during several weeks. We would like, however, the original received date to be retained. The manuscript has been amended according to the referee comments as described below :Referee A 1) We modified our description of the extended Mott-Hubbard model for half-filled bands (bottom of page 2) taking into account both the on-site interaction (U) and the near-neighbor interaction (V).2) The 2k F lattice fluctuations coupled to the lattice are observed at much lower temperature (below 60 K) than the large increase of the dielectric permittivity. We have rewritten the beginning of the discussion part, page 6, to make this point more clear. Referee B1) These organic conductors are very fragile and cracks may reflect significant strain when the cooling rate is too fast and/or the sample holding too tight. We used all the care possible for avoiding cracks in our crystals and thus measuring bulk properties.2) There is no evidence in (TMTTF) 2 PF 6 of a structural phase transition affecting the main Bragg reflections. The tentative explanation of our data is the occurrence of a superstructure (4k F ) transition. Such a transition could be very likely detected from NMR experiments.Yours sincerely, P. MONCEAU C e n t r e d e R e c h e r c h e s s u r l e s T rè s B a s s e s T e m pé r a t u r e s laboratoire associéà l'Université Joseph Fourier

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Physical Properties of One Dimensional Conductors

Cited by 114 publications

References 13 publications

The structure of di(2,3,6,7-tetramethyl-1,4,5,8-tetraselenafulvalenium) hexafluorophosphate, (TMTSF)2PF6, the first superconducting organic solid

The structure of di(2,3,6,7-tetramethyl-1,4,5,8-tetraselenafulvalenium) hexafluorophosphate, (TMTSF)2PF6, the first superconducting organic solid

Development of Conductive Organic Molecular Assemblies: Organic Metals, Superconductors, and Exotic Functional Materials

Dielectric response of the charge-induced correlated state in the quasi-one-dimensional conductor(TMTTF)2PF6

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