Spin‐Crossover Nanocrystals with Magnetic, Optical, and Structural Bistability Near Room Temperature | Zendy

Boldog Ishtvan | Zendy; Gaspar Ana B. | Zendy; Martínez Víctor | Zendy; PardoIbañez Pablo | Zendy; Ksenofontov Vadim | Zendy; Bhattacharjee Ashis | Zendy; Gütlich Philipp | Zendy; Real José A. | Zendy

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Spin‐Crossover Nanocrystals with Magnetic, Optical, and Structural Bistability Near Room Temperature

Author(s) -

Boldog Ishtvan,

Gaspar Ana B.,

Martínez Víctor,

PardoIbañez Pablo,

Ksenofontov Vadim,

Bhattacharjee Ashis,

Gütlich Philipp,

Real José A.

Publication year - 2008

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.200801673

Subject(s) - spin crossover , nanocrystal , microemulsion , materials science , anhydrous , bistability , spin (aerodynamics) , chemical physics , nanotechnology , condensed matter physics , pulmonary surfactant , chemical engineering , crystallography , chemistry , optoelectronics , thermodynamics , organic chemistry , physics , engineering

Nanocrystals of the three‐dimensional , spin‐crossover, porous coordination framework [Fe(pz)Pt(CN) 4 ]⋅ n H 2 O (pz=pyrazine; n ≤2.5) have been synthesized from water‐in‐oil microemulsions. The surfactant‐free nanocrystals readily desorb water and the resulting anhydrous compounds exhibit thermally induced electronic bistability accompanied by a pronounced color change (see picture; HS=high spin, LS=low spin) close to room temperature.

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