The valence states of manganese ion in potassium-borate oxide glasses

1984 ◽  
Vol 52 (2) ◽  
pp. 147-149 ◽  
Author(s):  
I. Ardelean ◽  
Gh. Ilonca ◽  
M. Peteanu
Keyword(s):  
Oxide Glasses ◽  
Potassium Borate ◽  
Manganese Ion ◽  
Valence States ◽  
Borate Oxide

EPR AND MAGNETIC SUSCEPTIBILITY STUDIES OF CALCIUM-BORATE OXIDE GLASSES CONTAINING IRON IONS

2002 ◽  
Vol 16 (07) ◽  
pp. 231-239 ◽  
Author(s):  
I. ARDELEAN ◽  
P. PASCUTA ◽  
M. PETEANU
Keyword(s):  
Magnetic Susceptibility ◽  
Iron Content ◽  
Exchange Interactions ◽  
Ionic Species ◽  
Iron Ions ◽  
Oxide Glasses ◽  
Calcium Borate ◽  
Octahedral Symmetry ◽  
Distorted Octahedral ◽  
Borate Oxide

EPR and magnetic susceptibility measurements have been performed on x Fe 2 O 3·(100-x) [3B2O3·CaO] glasses with 0<x≤40 mol%. The Fe 3+ ions in sites of distorted octahedral symmetry and clustered formations containing both Fe 3+ and Fe 2+ ionic species were found. Dipolar and magnetic super-exchange interactions involving iron ions were revealed to depend on the iron content of the sample.

scholarly journals Structural and Femtosecond Third-Order Nonlinear Optical Properties of Sodium Borate Oxide Glasses: Effect of Antimony

2019 ◽  
Vol 123 (9) ◽  
pp. 5591-5602 ◽  
Author(s):  
Gangareddy Jagannath ◽  
Bheemaiah Eraiah ◽  
Anuraag Gaddam ◽  
Hugo Fernandes ◽  
Daniela Brazete ◽  
...  
Keyword(s):  
Optical Properties ◽  
Nonlinear Optical ◽  
Nonlinear Optical Properties ◽  
Sodium Borate ◽  
Oxide Glasses ◽  
Third Order ◽  
Borate Oxide

Structural and morphological characteristics of yttrium and lutetium orthoborates synthesized in thin layers of borate oxide glasses

2012 ◽  
Vol 27 (16) ◽  
pp. 2116-2121 ◽  
Author(s):  
Viktor V. Kedrov ◽  
Ivan M. Shmytko ◽  
Semeon Z. Shmurak ◽  
Elena A. Kudrenko ◽  
Nikolay V. Klassen
Keyword(s):  
Morphological Characteristics ◽  
Thin Layers ◽  
Oxide Glasses ◽  
Image Position ◽  
Borate Oxide

Abstract

Optical absorption and photoluminescence properties of anadium ions in ‘lithium-tungsten-borate’ oxide glasses

2018 ◽  
Vol 5 (13) ◽  
pp. 26290-26297 ◽  
Author(s):  
L. Srinivasa Rao ◽  
V. Ravi Kumar ◽  
P. Naresh ◽  
P. Venkateswara Rao ◽  
N. Veeraiah
Keyword(s):  
Optical Absorption ◽  
Oxide Glasses ◽  
Photoluminescence Properties ◽  
Borate Oxide

Magnetic properties of cobalt-strontium-borate oxide glasses

1997 ◽  
Vol 32 (2) ◽  
pp. 191-196 ◽  
Author(s):  
I. Ardelean ◽  
Gh. Ilonca ◽  
S. Simon ◽  
S. Filip ◽  
T. Jurcut
Keyword(s):  
Magnetic Properties ◽  
Oxide Glasses ◽  
Strontium Borate ◽  
Borate Oxide

TEM studies of amorphization processes and amorphous structures

1988 ◽  
Vol 46 ◽  
pp. 448-449
Author(s):  
T. E. Mitchell ◽  
R. B. Schwarz
Keyword(s):  
Amorphous Materials ◽  
Fission Products ◽  
Rapid Quenching ◽  
Surface Films ◽  
List Type ◽  
Oxide Glasses ◽  
Crystalline Materials ◽  
Amorphous Structures ◽  
Amorphous Surface ◽  
Interfacial Films

Traditional oxide glasses occur naturally as obsidian and can be made easily by suitable cooling histories. In the past 30 years, a variety of techniques have been discovered which amorphize normally crystalline materials such as metals. These include [1-3]:Rapid quenching from the vapor phase.Rapid quenching from the liquid phase.Electrodeposition of certain alloys, e.g. Fe-P.Oxidation of crystals to produce amorphous surface oxide layers.Interdiffusion of two pure crystalline metals.Hydrogen-induced vitrification of an intermetal1ic.Mechanical alloying and ball-milling of intermetal lie compounds.Irradiation processes of all kinds using ions, electrons, neutrons, and fission products.We offer here some general comments on the use of TEM to study these materials and give some particular examples of such studies.Thin specimens can be prepared from bulk homogeneous materials in the usual way. Most often, however, amorphous materials are in the form of surface films or interfacial films with different chemistry from the substrates.

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