Serveur d'exploration sur le nickel au Maghreb

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Thermoelectric power of TTF[Ni(dmit)2]2

Identifieur interne : 000263 ( Main/Exploration ); précédent : 000262; suivant : 000264

Thermoelectric power of TTF[Ni(dmit)2]2

Auteurs : Wafa Kaddour [France, Tunisie] ; Pascale Auban-Senzier [France] ; Claude Pasquier [France] ; Lydie Valade [France]

Source :

RBID : Pascal:12-0242632

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English descriptors

Abstract

The 1D organic salt TTF[Ni(dmit)2]2 becomes superconductor with Tc=1.6 K under an applied hydrostatic pressure of 7 kbar. Structural determinations in this system lead us to suspect that superconductivity (SC) coexists with a charge density wave (CDW) instability at low pressure. In order to better understand how SC emerge from a CDW and to revisit the pressure-temperature phase diagram of the TTF[Ni(dmit)2]2 we performed transport and thermoelectric power measurements under pressure.


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<div type="abstract" xml:lang="en">The 1D organic salt TTF[Ni(dmit)
<sub>2</sub>
]
<sub>2</sub>
becomes superconductor with T
<sub>c</sub>
=1.6 K under an applied hydrostatic pressure of 7 kbar. Structural determinations in this system lead us to suspect that superconductivity (SC) coexists with a charge density wave (CDW) instability at low pressure. In order to better understand how SC emerge from a CDW and to revisit the pressure-temperature phase diagram of the TTF[Ni(dmit)
<sub>2</sub>
]
<sub>2</sub>
we performed transport and thermoelectric power measurements under pressure.</div>
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