Caracterizações óptica e elétrica de cristais de Bi2TeO5 crescidos por um método de duplo cadinho

ZV Fabris - 2015 - bdtd.ibict.br
Bismuth tellurite, Bi2TeO5, here labeled BTeO has a lot of properties like improper
ferroelectricity, photochromic, photorefractive, with two optical axes large optical window and …

Electrical and photoelectrical properties of Bi2TeO5 single crystals

R Montenegro, ZV Fabris, DA Capovilla, I de Oliveira… - Optical Materials, 2019 - Elsevier
We report on optical and electrical measurements contributing for a better characterization of
the relevant properties of undoped Bi 2 TeO 5. Optical absorption, dark conductivity …

Crystal growth of Bi2TeO5 by a double crucible Czochralski method

JF Carvalho, ZV Fabris, I de Oliveira, J Frejlich - Journal of crystal growth, 2014 - Elsevier
Single crystals of bismuth tellurite (Bi 2 TeO 5) were grown by a double crucible Czochralski
method at different pulling and rotation rates, ranging from 0.1 mm/h to 0.8 mm/h and from 5 …

Estudos da Sinterização de Bi12TiO20 (BTO) visando obter cerâmicas transparentes

TM AMARAL - 2011 - bdtd.ibict.br
This work presents the systematic results of studies concerning the sintering of the
Bi12TiO20 (BTO) aiming the production of transparent ceramic samples. All that because the …

[HTML][HTML] Temperature dependent Raman and photoresponse studies of Bi 2 Te 3 thin films annealed at different temperatures for improved optoelectronic performance

S Das, S Senapati, D Alagarasan, R Naik - Materials Advances, 2024 - pubs.rsc.org
Nanocrystalline Bi2Te3 thin films of 800 nm thickness synthesized via a thermal evaporation
method were annealed at various temperatures, which induced notable changes in both …

Effect of ruthenium doping on the optical and photorefractive properties of Bi12TiO20 single crystals

V Marinova, ML Hsieh, SH Lin, KY Hsu - Optics communications, 2002 - Elsevier
Bi12TiO20 (BTO) single crystals nominally pure and doped with ruthenium are grown by top-
seeded solution growth method. The effect of ruthenium concentration on optical and …

Photovoltaic effect in Bi2TeO5 photorefractive crystal

I de Oliveira, DA Capovilla, JF Carvalho… - Applied Physics …, 2015 - pubs.aip.org
We report on the presence of a strong photovoltaic effect on nominally undoped
photorefractive Bi 2 TeO 5 crystals and estimated their Glass photovoltaic constant and …

Optical properties of thin Bi2Te3 films synthesized by different techniques

AM Adam, M Tolan, AA Refaat, A Nafady… - Superlattices and …, 2021 - Elsevier
Abstract Thin films of Bi 2 Te 3 alloy were grown by vacuum thermal evaporation (VTE) and
pulsed laser deposition (PLD) techniques. The growth was conducted on clean substrates of …

Improvement in quality and performance of photorefractive Bi2TeO5

I Földvári, A Peter, O Szakács - Journal of crystal growth, 1999 - Elsevier
Bismuth tellurite has a unique feature, a long-living (years) photorefractive memory that
develops in the four-wave mixing process without fixing. Single crystals of Bi2TeO5 were …

Growth and characterization of photorefractive Bi12TiO20 single crystals

VV Prokofiev, JF Carvalho, JP Andreeta… - Crystal Research …, 1995 - Wiley Online Library
Abstract Photorefractive Bi12TiO20 single crystals of high optical quality were grown in a
resistive heating furnace from high temperature nonstoichiometric (10: 1) solutions of Bi2O3 …