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Browsing by Author "Renju, U A"

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Influence of phase transition from order to disorder and Philip’s Ionicity on the Thermal Expansion Coefficient of Pyrochlore Type Compositions With a Multivalent Environment

Renju, U A; Prabhakar Rao, P; Vaisakhan Thampi, D S (Royal Society of Chemistry, 2017-11-15)

The present study involves a detailed investigation on interrelationships among Philip’s ionicity, thermal expansion coefficient and ionic conductivity in a new series of pyrochlore type compositions, RE2Y2/3Zr2/3Nb2/3O7 ...
Remarkable changes in the photoluminescent properties of Y2Ce2O7:Eu(3+) red phosphors through modification of the cerium oxidation states and oxygen vacancy ordering

Athira Raj, K V; Prabhakar Rao, P; Sreena, T S; Sameera, S; Vineetha James; Renju, U A (Royal Society of Chemistry, 2014)

A new series of red phosphors based on Eu(3+)-doped yttrium cerate [Y1.9Ce2O7:0.1Eu(3+), Y2Ce1.9O7:0.1Eu(3+) and Y2Ce2-xO7:xEu(3+) (x = 0.05, 0.10, 0.15, 0.20, 0.25 and 0.50)] was prepared via a conventional solid-state ...
Structural stabilization of δ-phase Bi2O3 in the MgBi1.5RE0.5O4 system through rare earth substitution for improved ionic conductivity

Renju, U A; Rao, P P (Springer, 2020-10)

Fluorite-structured Bi(2)O(3)oxide materials are promising candidates for oxygen ion conductors. In this regard, we attempted to stabilise the delta-phase through rare earth ion substitution in a new series of compositions: ...
Study on the Structural Factors Affecting the Oxide Ionic Conductivity of Rare Earth Mixed Oxides for Development of New Oxide Ionic Conductors

Renju, U A (CSIR-National Institute for Interdisciplinary Science and Technology, Materials Science and Technology Division under the guidance of Dr. P. Prabhakar Rao, 2019-11)

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