Synthesis, characterization, and physical properties of two new magnetic organic metals, [BEDT-TTF]{sub 4}[C(CN){sub 2}CONH{sub 2}]CuX{sub x} (X = Cl and Br{sub 0.77}Cl{sub 0.22}) | Zendy

H.H. Wang | Zendy; U. Geiser | Zendy; Sunit Kumar | Zendy

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Synthesis, characterization, and physical properties of two new magnetic organic metals, [BEDT-TTF]{sub 4}[C(CN){sub 2}CONH{sub 2}]CuX{sub x} (X = Cl and Br{sub 0.77}Cl{sub 0.22})

Author(s) -

H.H. Wang,

U. Geiser,

Sunit Kumar

Publication year - 1995

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/212467

Subject(s) - organic superconductor , magnetic susceptibility , spectroscopy , chemistry , raman spectroscopy , metal , superconductivity , paramagnetism , crystallography , x ray crystallography , analytical chemistry (journal) , diffraction , condensed matter physics , physics , organic chemistry , chromatography , quantum mechanics , optics

Two new BEDT-TTF based charge transfer salts, [BEDT-TTF]{sub 4}[C(CN){sub 2}CONH{sub 2}]CuX{sub 2} (X = Cl and Br{sub 0.77}Cl{sub 0.22}) have been synthesized and characterized with use of X-ray diffraction, Energy Dispersive Spectroscopy (EDS), and Raman spectroscopy. ESR spectroscopy reveals that the anion layer contains 3% of paramagnetic Cu(II) species which exhibit Curie-Weiss behavior with a Weiss constant of {theta} = {minus}2.8 K. Both compounds are metallic below 150 K. AC susceptibility, RF penetration depth, and RF impedance measurements under pressure do not reveal signals of superconductivity

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