Volume 51, Issue 40 pp. 10154-10158
Communication

Hysteretic Three-Step Spin Crossover in a Thermo- and Photochromic 3D Pillared Hofmann-type Metal–Organic Framework

Dr. Natasha F. Sciortino

Dr. Natasha F. Sciortino

School of Chemistry, The University of Sydney, Sydney NSW 2006 (Australia)

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Dr. Katrin R. Scherl-Gruenwald

Dr. Katrin R. Scherl-Gruenwald

School of Chemistry, The University of Sydney, Sydney NSW 2006 (Australia)

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Dr. Guillaume Chastanet

Dr. Guillaume Chastanet

Sciences Moléculaires, ICMCB, UPR CNRS 9048, Université Bordeaux I, 87 Av. Du Doc. A. Schweitzer, 33608 Pessac (France)

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Dr. Gregory J. Halder

Dr. Gregory J. Halder

X-ray Science Division, Advanced Photon Source, Argonne National Laboratory, Argonne, IL 60439 (USA)

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Dr. Karena W. Chapman

Dr. Karena W. Chapman

X-ray Science Division, Advanced Photon Source, Argonne National Laboratory, Argonne, IL 60439 (USA)

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Prof. Jean-François Létard

Prof. Jean-François Létard

Sciences Moléculaires, ICMCB, UPR CNRS 9048, Université Bordeaux I, 87 Av. Du Doc. A. Schweitzer, 33608 Pessac (France)

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Prof. Cameron J. Kepert

Corresponding Author

Prof. Cameron J. Kepert

School of Chemistry, The University of Sydney, Sydney NSW 2006 (Australia)

School of Chemistry, The University of Sydney, Sydney NSW 2006 (Australia)Search for more papers by this author
First published: 11 September 2012
Citations: 170

Use of the Advanced Photon Source was supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, under Contract No. DE-AC02-06CH11357. N.F.S. thanks to the Australian Nanotechnology Network for financial support. K.R.G. thanks the Endeavour Research Fellowship for financial support.

Graphical Abstract

Multistability is exhibited by a metal–organic framework material that undergoes unique three-step spin crossover with 20 K thermal hysteresis (see picture). The stepwise transition is coupled to a three-step structural transformation that defines four distinct structural states. The material also exhibits reversible photo-induced spin crossover.

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