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Facile Preparation of Graphene Oxide-Enhanced Highly Crystalline Polyglycolic Acid Under Low-Temperature Crystallization Using Tin(II) 2-Ethylhexanoate and Its Application in Biomaterials. [PDF]

Polymers (Basel)
Chen HF, Li JW, Ou KJ, Yu SY, Wang JH, Cheng CC, Tseng YH, Nien YH, Kuo CJ, Chiu CW.   +9 more
europepmc   +1 more source

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Study of Vκ centers in CsI crystal

Solid State Communications, 1973
Vk centers were observed in CsI doped with Na+ and Tl+ after x-ray irradiation at liquid He temperature by using optical and EPR techniques. They are oriented along [100] directions. By studying thermoluminescence, 2 types of thermal migration were found, one due to linear displacement of the centers along the cubic axis and the other due to 90 ...
Sidler, T., Pellaux, J. P., Nouailhat, A., Aegerter, Michel A.   +3 more
openaire   +1 more source

Crystal field of octahedral Yb3+ centers in a CsCaF3 crystal

Physics of the Solid State, 1997
The phenomenological crystal-field potentials of cubic and trigonal Yb3+ centers in a CsCaF3 crystal have been determined from the experimental energy-level schemes. These potentials are compared with the potentials of the analogous centers in the isomorphic hosts KMgF3 and KZnF3.
Bespalov V., Kazakov B., Leushin A., Safiullin G.   +3 more
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Crystallization of Reaction Centers from Rhodobacter Sphaeroides

2018
James Paul Allen, George Feher
exaly   +2 more sources

Transformations of body-centered cubic crystals composed of hard or soft spheres to liquids or face-centered cubic crystals

The Journal of Chemical Physics, 2019
The monodispersed hard-sphere system is one of the simplest models for the study of phase transitions. Despite intensive studies of crystallization and melting of hard-sphere face-centered cubic (FCC) crystals, the phase transformations of hard-sphere body-centered cubic (BCC) crystals have not been explored because hard spheres cannot form a stable ...
Feng Wang, Yilong Han
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Stabilization of U1-centers and laser color centers in LiF:OH crystals

AIP Conference Proceedings, 2019
The formation of U1-centers in LiF:OH crystals, γ-irradiated to a dose of 1.3×104 C/kg at a temperature of 80 K, is considered in this study. The band at νmax = 2315 cm−1 is the main band of local interstitial hydrogen ions vibrations, which is more stable at room temperature (in a few month) than the additional band at νmax = 2260 cm−1.
L. I. Bryukvina, N. A. Ivanov, D. S. Glazunov   +2 more
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Aggregation of impurity centers in ionic crystals

Russian Physics Journal, 2007
Results of modeling of the aggregation process in complex centers of ionic crystals are presented. Concentration dependences of the number of paired centers are obtained. A nature of the paired luminescence centers is discussed.
M. K. Myrzahmet, K. S. Baktybekov
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