scholarly journals Retraction: Insight into the reversible structural crystalline-state transformation from MIL-53(Al) to MIL-68(Al)

CrystEngComm ◽  
2019 ◽  
Vol 21 (36) ◽  
pp. 5546-5547 ◽  
Author(s):  
Adelaida Perea-Cachero ◽  
Enrique Romero ◽  
Carlos Téllez ◽  
Joaquín Coronas
Keyword(s):  
Crystalline State ◽  
State Transformation ◽  
Insight Into

Retraction of ‘Insight into the reversible structural crystalline-state transformation from MIL-53(Al) to MIL-68(Al)’ by Adelaida Perea-Cachero et al., CrystEngComm, 2018, 20, 402–406.

Comment on “Insight into the reversible structural crystalline-state transformation from MIL-53(Al) to MIL-68(Al)” by A. Perea-Cachero, E. Romero, C. Téllez and J. Coronas, CrystEngComm, 2018, 20, 402

CrystEngComm ◽  
2018 ◽  
Vol 20 (22) ◽  
pp. 3117-3119 ◽  
Author(s):  
Martin Kriesten ◽  
Kilian Hoffmann ◽  
Martin Hartmann
Keyword(s):  
Phase Transformation ◽  
Crystalline State ◽  
State Transformation ◽  
Insight Into

The inadvertently published phase transformation from MIL-53 to MIL-68 is merely a deformation of the MIL-53 structure upon DMF adsorption.

Retracted Article: Insight into the reversible structural crystalline-state transformation from MIL-53(Al) to MIL-68(Al)

CrystEngComm ◽  
2018 ◽  
Vol 20 (4) ◽  
pp. 402-406 ◽  
Author(s):  
Adelaida Perea-Cachero ◽  
Enrique Romero ◽  
Carlos Téllez ◽  
Joaquín Coronas
Keyword(s):  
Crystalline State ◽  
State Transformation ◽  
Retracted Article ◽  
Insight Into

The reversible crystalline transformation from MIL-53(Al) into MIL-68(Al) was accomplished.

Amorphous–crystalline state transformation induced by annealing in R 2 Fe 14 B (R = Nd, Er) compounds

2014 ◽  
Vol 615 ◽  
pp. 75-78
Author(s):  
Yu.G. Chukalkin ◽  
A.E. Teplykh ◽  
N.V. Kudrevatykh ◽  
K.N. Choo ◽  
S. Lee ◽  
...  
Keyword(s):  
Crystalline State ◽  
State Transformation

Molecular Dynamics of Side Chain Liquid Crystalline Polysiloxanes

1996 ◽  
Vol 425 ◽  
Author(s):  
G. M. Podojil ◽  
B. L. Farmer ◽  
T. J. Bunning ◽  
R. Pachter ◽  
W. W. Adams
Keyword(s):  
Molecular Dynamics ◽  
Molecular Dynamics Simulations ◽  
Crystalline State ◽  
Liquid Crystalline ◽  
Side Chain ◽  
Flexible Spacer ◽  
Siloxane Oligomers ◽  
Dynamics Simulations ◽  
The Individual ◽  
Insight Into

AbstractMolecular dynamics simulations have been used to characterize the development and longevity of associations between cholesterol and biphenyl mesogens when attached to linear siloxane oligomers by flexible spacer groups. Single substituents, alternating substituents, and diblock and triblock arrangements of the substituents were considered. The backbone and spacer groups allow sufficient flexibility that long-lived associations between cholesterol mesogens form quite rapidly, as do more fluid associations between biphenyl and cholesterol mesogens. The study of the individual mesogen interactions and how these lead to larger scale aligned structures has provided insight into the nature of the liquid crystalline state in these materials.

Calibration problems in hydrogen luminosities

1966 ◽  
Vol 24 ◽  
pp. 322-330
Author(s):  
A. Beer
Keyword(s):  
Galactic Structure ◽  
B Stars ◽  
Insight Into

The investigations which I should like to summarize in this paper concern recent photo-electric luminosity determinations of O and B stars. Their final aim has been the derivation of new stellar distances, and some insight into certain patterns of galactic structure.

Stochasting modeling of planetary ring systems

1984 ◽  
Vol 75 ◽  
pp. 461-469 ◽  
Author(s):  
Robert W. Hart
Keyword(s):  
Maximum Entropy ◽  
Ring System ◽  
The Sun ◽  
Ultimate State ◽  
Interparticle Interactions ◽  
Ring Systems ◽  
First Order ◽  
Planetary Ring ◽  
Insight Into

ABSTRACTThis paper models maximum entropy configurations of idealized gravitational ring systems. Such configurations are of interest because systems generally evolve toward an ultimate state of maximum randomness. For simplicity, attention is confined to ultimate states for which interparticle interactions are no longer of first order importance. The planets, in their orbits about the sun, are one example of such a ring system. The extent to which the present approximation yields insight into ring systems such as Saturn's is explored briefly.

Skeletal elements of crinoid echinoderms: High-resolution structural and microanalytical results

1983 ◽  
Vol 41 ◽  
pp. 194-195
Author(s):  
D. F. Blake ◽  
L. F. Allard ◽  
D. R. Peacor
Keyword(s):  
High Resolution ◽  
Marine Invertebrates ◽  
Sea Urchins ◽  
Structural Features ◽  
Sea Stars ◽  
High Resolution Tem ◽  
Relationship Of ◽  
The Relationship ◽  
Insight Into

Echinodermata is a phylum of marine invertebrates which has been extant since Cambrian time (c.a. 500 m.y. before the present). Modern examples of echinoderms include sea urchins, sea stars, and sea lilies (crinoids). The endoskeletons of echinoderms are composed of plates or ossicles (Fig. 1) which are with few exceptions, porous, single crystals of high-magnesian calcite. Despite their single crystal nature, fracture surfaces do not exhibit the near-perfect {10.4} cleavage characteristic of inorganic calcite. This paradoxical mix of biogenic and inorganic features has prompted much recent work on echinoderm skeletal crystallography. Furthermore, fossil echinoderm hard parts comprise a volumetrically significant portion of some marine limestones sequences. The ultrastructural and microchemical characterization of modern skeletal material should lend insight into: 1). The nature of the biogenic processes involved, for example, the relationship of Mg heterogeneity to morphological and structural features in modern echinoderm material, and 2). The nature of the diagenetic changes undergone by their ancient, fossilized counterparts. In this study, high resolution TEM (HRTEM), high voltage TEM (HVTEM), and STEM microanalysis are used to characterize tha ultrastructural and microchemical composition of skeletal elements of the modern crinoid Neocrinus blakei.

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