First Molecular Superconductor with the Tris(Oxalato)Aluminate Anion, β"-(BEDT-TTF)4(H3O)Al(C2O4)3•C6H5Br, and Isostructural Tris(Oxalato)Cobaltate and Tris(Oxalato)Ruthenate Radical Cation Salts

被引：6
|
作者：
Blundell, Toby James [1 ]
Brannan, Michael [1 ]
Mburu-Newman, Joey [1 ]
Akutsu, Hiroki [2 ]
Nakazawa, Yasuhiro [2 ]
Imajo, Shusaku [3 ]
Martin, Lee [1 ]
机构：
[1] Nottingham Trent Univ, Sch Sci & Technol, Clifton Lane, Nottingham NG11 8NS, England
[2] Osaka Univ, Grad Sch Sci, Dept Chem, 1-1 Machikaneyama Cho, Toyonaka, Osaka 5600043, Japan
[3] Univ Tokyo, Inst Solid State Phys, Kashiwa, Chiba 2778581, Japan
来源：
MAGNETOCHEMISTRY | 2021年 / 7卷 / 07期
关键词：
molecular conductor; superconductor; metal; semiconductor; BEDT-TTF; tris(oxalato)metallate; CHARGE-TRANSFER SALTS; BEDT-TTF; PHYSICAL-PROPERTIES; CRYSTAL-STRUCTURE; BIS(ETHYLENEDITHIO) TETRATHIAFULVALENE; INCLUDED SOLVENT; CONDUCTORS; LAYERS; CR; FE;
D O I：
10.3390/magnetochemistry7070090
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Peter Day's research group reported the first molecular superconductor containing paramagnetic metal ions in 1995, beta ''-(BEDT-TTF)(4)(H3O)Fe(C2O4)(3)center dot C6H5CN. Subsequent research has produced a multitude of BEDT-TTF-tris(oxalato)metallate salts with a variety of structures and properties, including 32 superconductors to date. We present here the synthesis, crystal structure, and conducting properties of the newest additions to the Day series including the first superconductor incorporating the diamagnetic tris(oxalato)aluminate anion, beta ''-(BEDT-TTF)(4)(H3O)Al(C2O4)(3)center dot C6H5Br, which has a superconducting T-c of similar to 2.5 K. beta ''-(BEDT-TTF)(4)(H3O)Co(C2O4)(3)center dot C6H5Br represents the first example of a beta '' phase for the tris(oxalato)cobaltate anion, but this salt does not show superconductivity.
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页数：12
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