Structural phase transitions in flexible DUT-8(Ni) under high hydrostatic pressure

Author(s):  
Alexander S. Krylov ◽  
Irina Dmitrievna Yushina ◽  
Evgenia A. Slyusareva ◽  
Svetlana Krylova ◽  
Alexander Vtyurin ◽  
...  

The behaviours of the open pore (op) and closed pore (cp) phases of flexible [Ni2(ndc)2(dabco)]n (ndc – 2,6-naphthalene dicarboxylate, dabco -- 1,4-diazabicyclo[2.2.2]octane, DUT-8(Ni)) metal-organic framework under high hydrostatic pressure up...

2020 ◽  
Vol 56 (59) ◽  
pp. 8269-8272
Author(s):  
Alexander Krylov ◽  
Irena Senkovska ◽  
Sebastian Ehrling ◽  
Mariia Maliuta ◽  
Svetlana Krylova ◽  
...  

According to in situ Raman experiments, in certain pressure ranges open (op) and closed pore (cp) phases coexist in DUT-8(Ni) crystals.


2021 ◽  
Author(s):  
Gemma Turner ◽  
Scott C. McKellar ◽  
David Robert Allan ◽  
Anthony K. Cheetham ◽  
Sebastian Henke ◽  
...  

The guest-dependent flexibility of the pillared-layered metal-organic framework (MOF), Zn2bdc2dabco·X(guest), where guest = EtOH, DMF or benzene, has been examined by high-pressure single crystal X-ray diffraction. A pressure-induced structural phase...


1983 ◽  
Vol 61 (10) ◽  
pp. 1374-1381 ◽  
Author(s):  
Marie D'Iorio ◽  
Robin L. Armstrong

Chlorine 35 nuclear quadrupole resonance (NQR) frequency and lineshape data, obtained with a Fourier transform magnetic resonance spectrometer, are presented for the antifluorite crystal K2ReCl6. In the temperature range investigated, 85 to 130 K, two structural phase transitions occur which reduce the crystal symmetry from cubic to tetragonal to monoclinic. The variation of the NQR spectrum with temperature and with hydrostatic pressure up to 2.64 kbar is documented. The structure of the spectrum and the intensity distribution within it are unexpected from previous studies of antifluorite systems. An explanation of the results is given which is based on recent discussions of nonlinear phenomena at phase transitions in crystals exhibiting reduced effective dimensionality.


2018 ◽  
Vol 19 (1) ◽  
pp. 506-512 ◽  
Author(s):  
Sylvia L. Hanna ◽  
Xuan Zhang ◽  
Ken-ichi Otake ◽  
Riki J. Drout ◽  
Peng Li ◽  
...  

RSC Advances ◽  
2015 ◽  
Vol 5 (47) ◽  
pp. 37818-37822 ◽  
Author(s):  
K. Vinod ◽  
C. S. Deepak ◽  
Shilpam Sharma ◽  
D. Sornadurai ◽  
A. T. Satya ◽  
...  

In this study we examine the phase transitions in single crystals of [(CH3)2NH2]Co(HCOO)3, using magnetization and specific heat measurements as a function of temperature and magnetic field.


2015 ◽  
Vol 119 (43) ◽  
pp. 24522-24528 ◽  
Author(s):  
Mantas Šimėnas ◽  
Aneta Ciupa ◽  
Mirosław Ma̧czka ◽  
Andreas Pöppl ◽  
Ju̅ras Banys

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