A co-crystal of polyoxometalates exhibiting single-molecule magnet behavior: the structural origin of a large magnetic anisotropy

被引：44

作者：

Fang, Xikui ^{[1
,2
]}

McCallum, Kendall ^{[1
,2
]}

Pratt, Harry D., III ^{[3
]}

Anderson, Travis M. ^{[3
]}

Dennis, Kevin ^{[1
,2
]}

Luban, Marshall ^{[1
,2
]}

机构：

[1] US DOE, Ames Lab, Ames, IA 50011 USA

[2] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA

[3] US DOE, Sandia Natl Labs, Albuquerque, NM 87185 USA

来源：

DALTON TRANSACTIONS | 2012年 / 41卷 / 33期

关键词：

METAL-LANTHANIDE COMPLEXES; OXIDATION-STATES; BARRIER;

D O I：

10.1039/c2dt30451a

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A polyoxometalate-based {(Mn3MnIV)-Mn-III} single-molecule magnet exhibits a large axial anisotropy (D = -0.86 cm(-1)) resulting from a near-parallel alignment of Jahn-Teller axes. Its rigorous three-fold symmetry (i.e. rhombicity E -> 0) and increased intercluster separation via co-crystallization effectively hamper quantum tunnelling of the magnetization.

引用

页码：9867 / 9870

页数：4

共 39 条

[1]

AlDamen M. A., 2009, INORG CHEM, V131, P12558

[2] Mononuclear lanthanide single-molecule magnets based on polyoxometalates [J].

AlDamen, Murad A. ;

Clemente-Juan, Juan M. ;

Coronado, Eugenio ;

Marti-Gastaldo, Carlos ;

Gaita-Arino, Alejandro .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2008, 130 (28) :8874-+

[3] Single-molecule magnets:: Preparation and properties of low symmetry [Mn4O3(O2CPh-R)4(dbm)3] complexes with S=9/2 [J].

Aliaga-Alcalde, N ;

Edwards, RS ;

Hill, SO ;

Wernsdorfer, W ;

Folting, K ;

Christou, G .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2004, 126 (39) :12503-12516

[4] Synthesis of 3d metallic single-molecule magnets [J].

Aromi, Guillem ;

Brechin, Euan K. .

SINGLE-MOLECULE MAGNETS AND RELATED PHENOMENA, 2006, 122 :1-67

[5] The Drosophila of single-molecule magnetism: [Mn12O12(O2CR)16(H2O)4] [J].

Bagai, Rashmi ;

Christou, George .

CHEMICAL SOCIETY REVIEWS, 2009, 38 (04) :1011-1026

[6]

Bencini A., 1990, ELECT PARAMAGNETIC R

[7] How to Build Molecules with Large Magnetic Anisotropy [J].

Cirera, Jordi ;

Ruiz, Eliseo ;

Alvarez, Santiago ;

Neese, Frank ;

Kortus, Jens .

CHEMISTRY-A EUROPEAN JOURNAL, 2009, 15 (16) :4078-4087

[8] Dispersion and absorption in dielectrics I. Alternating current characteristics [J].

Cole, KS ;

Cole, RH .

JOURNAL OF CHEMICAL PHYSICS, 1941, 9 (04) :341-351

[9] Iron Polyoxometalate Single-Molecule Magnets [J].

Compain, Jean-Daniel ;

Mialane, Pierre ;

Dolbecq, Anne ;

Mbomekalle, Israel Martyr ;

Marrot, Jerome ;

Secheresse, Francis ;

Riviere, Eric ;

Rogez, Guillaume ;

Wernsdorfer, Wolfgang .

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2009, 48 (17) :3077-3081

[10]

Contant R, 2002, REV INORG CHEM, V22, P63

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