نتایج جستجو برای: crystal transformation

تعداد نتایج: 377029  

Journal: :Crystal Growth & Design 2023

The partial loss of crystallization water molecules in the gadolinium(III)-nickel(II) dithiooxalate dodecahydrate [Gd2Ni3(dto)6(H2O)10]·12H2O (1) to yield dihydrate derivative [Gd2Ni3(dto)6(H2O)10]·2H2O (2) provokes significant and reversible changes spin relaxation dynamics. This unique single-crystal-to-single-crystal transformation emerges as a new route toward solvatoswitchable single-molec...

Journal: :journal of optoelectronical nano structures 0
alireza keshavarz department of physics, shiraz university of technology, shiraz, iran. zahra abbasi department of physics, marvdasht branch, islamic azad university, marvdasht , iran.

: optical separate spatial dark and bright soliton pairs in steady-state case in one dimension, for a series circuit consisting of two-photon photorefractive (pr) crystal are investigated. each crystal can be supported the spatial soliton, and at least one must be photovoltaic. the two solitons are known collectively as separate spatial soliton pairs with dark–dark, bright–dark and bright–brigh...

Journal: :Dalton transactions 2014
Xuan-Rong Chen Wei-Hua Ning Hao Yang Jian-Lan Liu Fang Xuan Xiao-Ming Ren

The second polymorph, the β-crystal, of the nickel-bis-dithiolene compound [4'-CF3bzPy][Ni(mnt)2], where 4'-CF3bzPy = 1-(4'-trifluoromethylbenzyl)pyridinium and mnt(2-) = maleonitriledithiolate, was obtained. The variable-temperature single crystal structures, magnetic behavior in 1.8-300 K and dielectric nature in 123-373 K have been investigated for the β-crystal. This polymorph experiences t...

Journal: :Dalton transactions 2015
Xin Cui Mei-Chen Xu Ling-Juan Zhang Ru-Xin Yao Xian-Ming Zhang

The butterfly-like tetranuclear cobalt cluster based 3D MOF [Me2NH2][Co2(bptc)(μ3-OH)(H2O)2] (1) underwent a reversible thermally triggered single-crystal-to-single-crystal transformation via Co-Owater weakened intermediate 1a to produce a partly dehydrated phase [Me2NH2][Co2(bptc)(μ3-OH)(H2O)] (2), which was confirmed by single-crystal X-ray diffraction, powder X-ray diffraction, thermogravime...

2016
F. Mark Chadwick Nicholas H. Rees Andrew S. Weller Tobias Krämer Marcella Iannuzzi Stuart A. Macgregor

The pentane σ-complex [Rh{Cy2 P(CH2 CH2 )PCy2 }(η(2) :η(2) -C5 H12 )][BAr(F) 4 ] is synthesized by a solid/gas single-crystal to single-crystal transformation by addition of H2 to a precursor 1,3-pentadiene complex. Characterization by low temperature single-crystal X-ray diffraction (150 K) and SSNMR spectroscopy (158 K) reveals coordination through two Rh⋅⋅⋅H-C interactions in the 2,4-positio...

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