Radiation Effects in MgO: Mn2+ Crystals: An Experimental Analysis | Chapter 12 | Fundamental Research and Application of Physical Science Vol. 9

 This phase is dealing with the discovery and investigation of such and complementary peculiarities of dissemination effects in Mg0:Mn2+ crystal. Magnesium oxide has long been of interest for differing important wonders, including in the way that; defect induced magnetism, spin energized matter reflectivity, broad laser diffusion, thermoluminescent dosimetry etc [1-5]. Moreover, nanostructures of this material shown suitability for various kinds of applications grazing from wastewater treatment to spintronics revolving around upon their shape and size.  In that work the thermally aroused luminescence and IR absorption ranges of Mg0:Mn2+ crystals irradiated indifferent reactors have been intentional. The steady increase of peaks at 450 K (curve 2) and at 550 K (curve 1) is observed until the dose of [10]15 n/cm^2 and not as far as relatively extreme fluencies their complicated non-steady practice is registered. The style of these changes in the same fluence range (1014 - 1017n/cm2) depends two together on the initial state of the crystal and on the indication source, that may be made clear by the "small quantity effect". Such trend of the processes in the irradiated MgO: Mn(2+) transparent i.e. devastation of hole-type trapping centers at the offset stage of the irradiation, is habitual by dependence of the incorporation coefficient peak of IR bands at 3290,3370 and 1600 cm] -1 on the neutron fluence.

Author(s) Details:

Meri Abramishvili,

E. Andronikashvili Institute of Physics, I. Javakhishvili Tbiliisi State University, Tbilisi, Georgia.

Zaira Akhvlediani,

E. Andronikashvili Institute of Physics, I. Javakhishvili Tbiliisi State University, Tbilisi, Georgia.

Makvala Galustashvili,

E. Andronikashvili Institute of Physics, I. Javakhishvili Tbiliisi State University, Tbilisi, Georgia.

Guram Dekanozishvili,

E. Andronikashvili Institute of Physics, I. Javakhishvili Tbiliisi State University, Tbilisi, Georgia.

Tamaz Kalabegishvili,

E. Andronikashvili Institute of Physics, I. Javakhishvili Tbiliisi State University, Tbilisi, Georgia.

Vakhtang Kvatchadze,

E. Andronikashvili Institute of Physics, I. Javakhishvili Tbiliisi State University, Tbilisi, Georgia.

Valery Tavkhelidze,

E. Andronikashvili Institute of Physics, I. Javakhishvili Tbiliisi State University, Tbilisi, Georgia.

Please see the link here: https://stm.bookpi.org/FRAPS-V9/article/view/11793