Energy-dispersive X-ray absorption spectroscopy at LNLS: investigation on strongly correlated metal oxides

JC Cezar, NM Souza-Neto, C Piamonteze… - Journal of …, 2010 - journals.iucr.org
An energy-dispersive X-ray absorption spectroscopy beamline mainly dedicated to X-ray
magnetic circular dichroism (XMCD) and material science under extreme conditions has …

Shedding Light on the Enigmatic TcO2 ⋅ xH2O Structure with Density Functional Theory and EXAFS Spectroscopy**

AF Oliveira, A Kuc, T Heine, U Abram… - … –A European Journal, 2022 - Wiley Online Library
The β‐emitting 99Tc isotope is a high‐yield fission product in 235U and 239Pu nuclear
reactors, raising special concern in nuclear waste management due to its long half‐life and …

Perrhenate sorption kinetics in zerovalent iron in high pH and nitrate media

BA Lenell, Y Arai - Journal of hazardous materials, 2017 - Elsevier
Abstract Technetium (Tc)-99 is one of major risk drivers in low level radioactive liquid waste
at the US Department of Energy sites. Cementitious waste technology (CWT) has been …

Effect of pressure on the structure and electrical conductivity of cardanol–furfural–polyaniline blends

FG Souza Jr, MTD Orlando, RC Michel… - Journal of Applied …, 2011 - Wiley Online Library
Pressure‐sensitive polymers that simultaneously present reasonable electrical conducting
properties, useful thermosetting behavior, and softness are hard to develop. To combine …

Exploring the chemical reactivity between carbon dioxide and three transition metals (Au, Pt, and Re) at high-pressure, high-temperature conditions

D Santamaría-Pérez, C McGuire, A Makhluf… - Inorganic …, 2016 - ACS Publications
The role of carbon dioxide, CO2, as oxidizing agent at high pressures and temperatures is
evaluated by studying its chemical reactivity with three transition metals: Au, Pt, and Re. We …

Synthesis of rhenium-doped tin dioxide for technetium radioactive waste immobilization

M Khan, W Um, WS Kim, J Heo, HJ Kim… - Journal of Nuclear …, 2018 - Elsevier
As an analog of technetium (99 Tc), rhenium (Re) was incorporated into the tin oxide (SnO
2) lattice structure to produce a stable phase. This new bi-metallic oxide consisting of Re 4+ …

Strong Co–Mo Interaction behind Unexpected Physicochemical Properties in SrMo0.9Co0.1O3−δ Perovskite

LM Acuna, MD Cabezas, RO Fuentes… - The Journal of Physical …, 2021 - ACS Publications
A novel combined chemical procedure was employed to synthesize a homogeneous SrMo0.
9Co0. 1O3− δ (SMC) perovskite at lower temperatures (900° C). The physicochemical …

Structural and magnetic investigation of Ca2MnReO6 doped with Ce

JB Depianti, MTD Orlando, AS Cavichini, HPS Corrêa… - Cerâmica, 2013 - SciELO Brasil
We have studied the properties of Ce doping in Ca-site of Ca2MnReO6 double perovskite
up to 10%. These compounds have presented a monoclinic cell with P2 (1)/n space group. A …

Correlation between Structural, Chemical, and Electrochemical Properties of La0.6Sr0.4CoO3–d Nanopowders for Application in Intermediate Temperature Solid …

LM Acuña, FF Muñoz, RO Fuentes - The Journal of Physical …, 2016 - ACS Publications
Lanthanum–strontium cobaltites are excellent mixed ionic and electronic conductors and
exhibit good activity for the oxygen reduction reaction (ORR) at temperatures higher than …

Synchrotron radiation applications on high-pressure research

B Zou, K Wang, S Li, G Zou - Synchrotron Radiation Applications, 2018 - World Scientific
As an important and matured experimental technology to probing materials' structure,
synchrotron radiation attracts huge amount of users including condensed-matter physicists …