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@ARTICLE{Collins:878356,
author = {Collins, Sean M. and MacArthur, Katherine E. and Longley,
Louis and Tovey, Robert and Benning, Martin and Schönlieb,
Carola-Bibiane and Bennett, Thomas D. and Midgley, Paul A.},
title = {{P}hase diagrams of liquid-phase mixing in multi-component
metal-organic framework glasses constructed by quantitative
elemental nano-tomography143},
journal = {APL materials},
volume = {7},
number = {9},
issn = {2166-532X},
address = {Melville, NY},
publisher = {AIP Publ.},
reportid = {FZJ-2020-02803},
pages = {091111 -},
year = {2019},
note = {Helmholtz Postdoctoral Fellowship},
abstract = {Several distinct mixing processes and resulting
microstructures have recently been reported in
multicomponent glasses prepared from multiple metal-organic
frameworks. Here, two illustrative examples of
multicomponent zeolitic imidazolate framework (ZIF) glasses,
the (aTZIF-4-Co)0.5(agZIF-62)0.5 blend and the
ag[(ZIF-67)0.2(ZIF-62)0.8] flux melted glass, are studied.
These materials are characterized by quantitative X-ray
energy dispersive spectroscopy in the scanning transmission
electron microscope. By advancing a partial ionization cross
section methodology using standards of arbitrary morphology,
quantitative nanoscale elemental analysis throughout the
glass volume is achieved. In turn, phase diagrams describing
the mixing states are presented, offering mechanistic
insight into the formation of the observed microstructures.
Significant miscibility was observed in
ag[(ZIF-67)0.2(ZIF-62)0.8]. These findings establish
phase-segregation and interdiffusion as two processes in
multicomponent glass formation, which explains the different
outcomes observed in blending and flux meltin},
cin = {ER-C-1 / PGI-5},
ddc = {600},
cid = {I:(DE-Juel1)ER-C-1-20170209 / I:(DE-Juel1)PGI-5-20110106},
pnm = {143 - Controlling Configuration-Based Phenomena (POF3-143)},
pid = {G:(DE-HGF)POF3-143},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000489245900001},
doi = {10.1063/1.5120093},
url = {https://juser.fz-juelich.de/record/878356},
}