Multiferroic Behavior Associated with an Order-Disorder Hydrogen Bonding Transition in Metal-Organic Frameworks (MOFs) with the Perovskite ABX3 Architecture
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作者:
Jain, Prashant
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Univ Cambridge, Dept Mat Sci & Met, Cambridge CB2 3QZ, England
Florida State Univ, Dept Chem & Biochem, Tallahassee, FL 32306 USA
Natl High Magnet Field Lab, Tallahassee, FL 32310 USAUniv Cambridge, Dept Mat Sci & Met, Cambridge CB2 3QZ, England
Jain, Prashant
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Ramachandran, Vasanth
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Florida State Univ, Dept Chem & Biochem, Tallahassee, FL 32306 USAUniv Cambridge, Dept Mat Sci & Met, Cambridge CB2 3QZ, England
Ramachandran, Vasanth
[2
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Clark, Ronald J.
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Florida State Univ, Dept Chem & Biochem, Tallahassee, FL 32306 USAUniv Cambridge, Dept Mat Sci & Met, Cambridge CB2 3QZ, England
Clark, Ronald J.
[2
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Zhou, Hai Dong
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Natl High Magnet Field Lab, Tallahassee, FL 32310 USAUniv Cambridge, Dept Mat Sci & Met, Cambridge CB2 3QZ, England
Zhou, Hai Dong
[3
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Toby, Brian H.
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Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USAUniv Cambridge, Dept Mat Sci & Met, Cambridge CB2 3QZ, England
Toby, Brian H.
[4
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Dalal, Naresh S.
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Florida State Univ, Dept Chem & Biochem, Tallahassee, FL 32306 USA
Natl High Magnet Field Lab, Tallahassee, FL 32310 USAUniv Cambridge, Dept Mat Sci & Met, Cambridge CB2 3QZ, England
Dalal, Naresh S.
[2
,3
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Kroto, Harold W.
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Florida State Univ, Dept Chem & Biochem, Tallahassee, FL 32306 USAUniv Cambridge, Dept Mat Sci & Met, Cambridge CB2 3QZ, England
Kroto, Harold W.
[2
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Cheetham, Anthony K.
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Univ Cambridge, Dept Mat Sci & Met, Cambridge CB2 3QZ, EnglandUniv Cambridge, Dept Mat Sci & Met, Cambridge CB2 3QZ, England
Cheetham, Anthony K.
[1
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机构:
[1] Univ Cambridge, Dept Mat Sci & Met, Cambridge CB2 3QZ, England
[2] Florida State Univ, Dept Chem & Biochem, Tallahassee, FL 32306 USA
[3] Natl High Magnet Field Lab, Tallahassee, FL 32310 USA
[4] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA
Multiferroic behavior in perovskite-related metal-organic frameworks of general formula [(CH3)(2)NH2]M(HCOO)(3), where M = Mn, Fe, Co, and Ni, is reported. All four compounds exhibit paraelectric-antiferroelectric phase transition behavior in the temperature range 160-185 K (Mn: 185 K, Fe: 160 K; Co: 165 K; Ni: 180 K); this is associated with an order-disorder transition involving the hydrogen bonded dimethylammonium cations. On further cooling, the compounds become canted weak ferromagnets below 40 K. This research opens up a new class of multiferroics in which the electrical ordering is achieved by means of hydrogen bonding.