Unusual isosymmetric order–disorder phase transition in a new perovskite-type dimethylhydrazinium manganese formate exhibiting weak ferromagnetism and photoluminescence properties

2021 ◽  
Author(s):  
Jan Albert Zienkiewicz ◽  
Dorota Anna Kowalska ◽  
Katarzyna Fedoruk ◽  
Mariusz Stefanski ◽  
Adam Pikul ◽  
...  
Keyword(s):  
Phase Transition ◽  
Optical Properties ◽  
Steric Hindrance ◽  
Metal Organic Framework ◽  
Weak Ferromagnetism ◽  
Photoluminescence Properties ◽  
Disorder Phase Transition ◽  
Metal Organic ◽  
Perovskite Type ◽  
Organic Framework

We report the synthesis, thermal, structural, dielectric, magnetic and optical properties of a novel metal–organic framework templated by the large 1,1-dimethylhydrazinium cation. We analyse the steric hindrance-related properties.

The structural, phonon and optical properties of [CH3NH3]M0.5CrxAl0.5−x(HCOO)3 (M = Na, K; x = 0, 0.025, 0.5) metal–organic framework perovskites for luminescence thermometry

2019 ◽  
Vol 21 (15) ◽  
pp. 7965-7972 ◽  
Author(s):  
Maciej Ptak ◽  
Błażej Dziuk ◽  
Dagmara Stefańska ◽  
Krzysztof Hermanowicz
Keyword(s):  
Optical Properties ◽  
Metal Organic Framework ◽  
Metal Organic ◽  
Perovskite Type ◽  
Organic Framework ◽  
Luminescence Thermometry

We report the structural, phonon and optical properties of perovskite-type heterometallic formates templated by methylammonium cations.

Phase transition and molecular motion of cyclohexane confined in metal-organic framework, IRMOF-1, as studied by 2H NMR

2007 ◽  
Vol 443 (4-6) ◽  
pp. 293-297 ◽  
Author(s):  
Takahiro Ueda ◽  
Kenji Kurokawa ◽  
Hiroaki Omichi ◽  
Keisuke Miyakubo ◽  
Taro Eguchi
Keyword(s):  
Phase Transition ◽  
Molecular Motion ◽  
Metal Organic Framework ◽  
2H Nmr ◽  
Metal Organic ◽  
Organic Framework

Selective gas adsorption and unique phase transition properties in a stable magnesium metal-organic framework constructed from infinite metal chains

CrystEngComm ◽  
2013 ◽  
Vol 15 (45) ◽  
pp. 9688 ◽  
Author(s):  
Yangyang Liu ◽  
Ying-Pin Chen ◽  
Tian-Fu Liu ◽  
Andrey A. Yakovenko ◽  
Aaron M. Raiff ◽  
...  
Keyword(s):  
Phase Transition ◽  
Gas Adsorption ◽  
Metal Organic Framework ◽  
Magnesium Metal ◽  
Metal Organic ◽  
Organic Framework

scholarly journals In Situ Time-Resolved Decomposition of β-Hydride Phase in Palladium Nanoparticles Coated with Metal-Organic Framework

Metals ◽  
2020 ◽  
Vol 10 (6) ◽  
pp. 810
Author(s):  
Mikhail V. Kirichkov ◽  
Aram L. Bugaev ◽  
Alina A. Skorynina ◽  
Vera V. Butova ◽  
Andriy P. Budnyk ◽  
...  
Keyword(s):  
Phase Transition ◽  
Particle Size ◽  
Hydrogen Adsorption ◽  
Metal Organic Framework ◽  
Pd Nanoparticles ◽  
Time Resolved ◽  
Metal Organic ◽  
Hydride Phases ◽  
Organic Framework

The formation of palladium hydrides is a well-known phenomenon, observed for both bulk and nanosized samples. The kinetics of hydrogen adsorption/desorption strongly depends on the particle size and shape, as well as the type of support and/or coating of the particles. In addition, the structural properties of hydride phases and their distribution also depend on the particle size. In this work, we report on the in situ characterization of palladium nanocubes coated with HKUST-1 metal-organic framework (Pd@HKUST-1) during desorption of hydrogen by means of synchrotron-based time-resolved X-ray powder diffraction. A slower hydrogen desorption, compared to smaller sized Pd nanoparticles was observed. Rietveld refinement of the time-resolved data revealed the remarkable stability of the lattice parameters of α- and β-hydride phases of palladium during the α- to β- phase transition, denoting the behavior more similar to the bulk materials than nanoparticles. The stability in the crystal sizes for both α- and β-hydride phases during the phase transition indicates that no sub-domains are formed within a single particle during the phase transition.

Structural, thermal and electro-optical properties of guanidine based Metal-Organic Framework (MOF)

2020 ◽  
Vol 68 ◽  
pp. 764-777
Author(s):  
V. Siva ◽  
A. Shameem ◽  
A. Murugan ◽  
S. Athimoolam ◽  
G. Vinitha ◽  
...  
Keyword(s):  
Optical Properties ◽  
Metal Organic Framework ◽  
Metal Organic ◽  
Organic Framework

EPR Study of Structural Phase Transition in Manganese-Doped [(CH3)2NH2][Zn(HCOO)3] Metal–Organic Framework

2015 ◽  
Vol 119 (43) ◽  
pp. 24522-24528 ◽  
Author(s):  
Mantas Šimėnas ◽  
Aneta Ciupa ◽  
Mirosław Ma̧czka ◽  
Andreas Pöppl ◽  
Ju̅ras Banys
Keyword(s):  
Phase Transition ◽  
Structural Phase Transition ◽  
Metal Organic Framework ◽  
Structural Phase ◽  
Metal Organic ◽  
Organic Framework

Remarkable resilience of the formate cage in a multiferroic metal organic framework material: dimethyl ammonium manganese formate (DMAMnF)

2018 ◽  
Vol 47 (37) ◽  
pp. 12993-13005 ◽  
Author(s):  
Abhishek V. Chitnis ◽  
Himal Bhatt ◽  
Miroslaw Mączka ◽  
Mukul N. Deo ◽  
Nandini Garg
Keyword(s):  
Phase Transition ◽  
High Pressure ◽  
Metal Organic Framework ◽  
Crystal Phase ◽  
Dimethyl Ammonium ◽  
Metal Organic ◽  
Crystal Phase Transition ◽  
Organic Framework

Shrinking of the cavity formed by the MnO6 octahedra and formate linkers, initiates the distortion of the formate network in DMAMnF and results in ordering of the DMA+ cation, leading to a crystal to crystal phase transition at high pressure.

Sign in / Sign up

Export Citation Format

Share Document