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Open AccessCooperative light-induced breathing of soft porous crystals via azobenzene buckling
Although light is a prominent stimulus for smart materials, the application of photoswitches as light-responsive triggers for phase transitions of porous materials remains poorly explored. Here we incorporate ...
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Article
Open AccessTowards general network architecture design criteria for negative gas adsorption transitions in ultraporous frameworks
Switchable metal-organic frameworks (MOFs) have been proposed for various energy-related storage and separation applications, but the mechanistic understanding of adsorption-induced switching transitions is st...
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Article
Open AccessThe effect of crystallite size on pressure amplification in switchable porous solids
Negative gas adsorption (NGA) in ordered mesoporous solids is associated with giant contractive structural transitions traversing through metastable states. Here, by systematically downsizing the crystal dimen...
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Article
A pressure-amplifying framework material with negative gas adsorption transitions
For adsorption processes, gas uptake usually increases with increasing pressure; however, here the phenomenon of negative gas adsorption is demonstrated in a metal–organic framework, which undergoes a sudden h...
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Article
Single-crystal structure and Raman spectroscopy of synthetic titanite analog CaAlSiO4F
Synthetic CaAlSiO4F, the Al-F analog of titanite, has been investigated using single-crystal synchrotron diffraction experiments at Beamline X06DA (Swiss Light Source, Paul Scherrer Institute, Villigen, Switzerla...
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Article
Analysis of the crystallographic and magnetic structures of the Tb0.1Pr0.9Al2 and Tb0.25Pr0.75Al2 magnetocaloric compounds by means of neutron scattering
Neutron powder diffraction and inelastic neutron scattering data were used to simulate and understand the magnetization and heat capacity curves of the pseudobinary Tb x Pr1−x ...
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Article
A Raman spectroscopic study on the structural disorder of monazite–(Ce)
This study addresses whether Raman spectra can be used to estimate the degree of accumulated radiation damage in monazite-(Ce) samples whose chemical composition was previously determined. Our results indicate...
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Article
Crystal-structure properties and the molecular nature of hydrostatically compressed realgar
The structure of realgar, As4S4, and its evolution with pressure have been investigated employing in situ X-ray diffraction, optical absorption and vibrational spectroscopy on single-crystal samples in diamond-an...
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Article
Quantum mechanical calculations of the vibrational spectra of quartz- and rutile-type GeO2
Heat-treatment and stepwise cooling of as-delivered, water-containing quartz-type GeO2 powder resulted in transformation into a water-free form. A rutile-type modification could be prepared by impregnation of the...
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Article
Devitrite (Na2Ca3Si6O16)—structural, spectroscopic and computational investigations on a crystalline impurity phase in industrial soda-lime glasses
Single crystals of devitrite (Na2Ca3Si6O16) were synthesized as pale-yellow transparent needle shaped crystals using a Na2MoO4-flux. Experiments aiming to prepare the K-equivalent of devitrite from the correspond...