Results 1 to 10 of about 206 (133)

High-resolution XEOL spectroscopy setup at the X-ray absorption spectroscopy beamline P65 of PETRA III [PDF]

Journal of Synchrotron Radiation, 2022
A newly designed setup to perform steady-state X-ray excited optical luminescence (XEOL) spectroscopy and simultaneous XEOL and X-ray absorption spectroscopy characterization at beamline P65 of PETRA III is described. The XEOL setup is equipped with a He-
S. Levcenko, R. Biller, T. Pfeiffelmann, K. Ritter, H. H. Falk, T. Wang, S. Siebentritt, E. Welter, C. S. Schnohr   +8 more
doaj   +10 more sources

Spatially Resolved Dynamics of Cobalt Color Centers in ZnO Nanowires [PDF]

Advanced Science, 2023
The dynamics of color centers, being a promising quantum technology, is strongly dependent on the local environment. A synergistic approach of X‐ray fluorescence analysis and X‐ray excited optical luminescence (XEOL) using a hard X‐ray nanoprobe is ...
Christian T. Plass, Valentina Bonino, Maurizio Ritzer, Lukas R. Jäger, Vicente Rey‐Bakaikoa, Martin Hafermann, Jaime Segura‐Ruiz, Gema Martínez‐Criado, Carsten Ronning   +8 more
doaj   +3 more sources

Observation of anomalous emissions of nonpolar a-plane MgZnO and ZnO epi-films based on XEOL and time-resolved XEOL in hybrid bunch mode [PDF]

AIP Advances, 2020
X-ray excited optical luminescence (XEOL) using an x-ray nanobeam operating in the hybrid bunch mode provides not only a sufficiently high peak power density but also high-quality temporal domain measurements for studying the luminescence dynamics of ...
Gung-Chian Yin, Wei-Rein Liu, Yungchi Wu
exaly   +3 more sources

Visualizing the valence states of europium ions in Eu-doped BaAl2O4 using X-ray nanoprobe mapping [PDF]

Journal of Synchrotron Radiation, 2022
This study develops and successfully demonstrates visualization methods for the characterization of europium (Eu)-doped BaAl2O4 phosphors using X-ray nanoprobe techniques.
Yu-Hao Wu, Yung-Yang Lin, Jeng-Lung Chen, Shih-Yu Fu, Shu-Chi Huang, Chien-yu Lee, Bo-Yi Chen, Gung-Chian Yin, E-Wen Huang, Mau-Tsu Tang, Bi-Hsuan Lin   +10 more
doaj   +2 more sources

Role of sample thickness and self-absorption effects in simultaneous XEOL-XAS measurements on single crystalline ZnO and GaN

Physical Review Research
The x-ray excited optical luminescence (XEOL) for defect and near band edge (NBE) transitions combined with simultaneous x-ray absorption measurements are experimentally and theoretically studied on single crystalline ZnO and GaN across the Zn and Ga K ...
Marius Grundmann, Lukas Trefflich, Claudia S Schnohr   +2 more
exaly   +2 more sources

X-ray excited optical luminescence at Carnaúba, the Sirius X-ray nanoprobe beamline

Optical Materials: X, 2023
This work presents the developments and initial results obtained using X-ray excited optical luminescence (XEOL) at the Carnaúba, the nanoprobe beamline from Sirius, the Brazilian 4th generation synchrotron source.
Verônica C. Teixeira, Joelson C. Silva, Francisco C.M. Silva, Rodrigo Szostak, Maria Gabriella D. Guaita, Leonardo M. Kofukuda, Antonio C. Piccino Neto, Anna P.S. Sotero, Itamar T. Neckel, Carlos A. Pérez, Douglas Galante, Hélio C.N. Tolentino   +11 more
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From synthesis to fabrication: Engineering thin translucent films with green persistent luminescent nanoparticles

Optical Materials: X, 2023
Green-emitting ZnGa2O4:Mn2+ persistent luminescent nanoparticles were synthesized via a solvothermal method followed by a microwave-assisted sintering at 1150 °C.
Douglas L. Fritzen, Gabriel Nardy, Marcelo C. Portes, Luidgi Giordano, Everton Bonturim, Verônica C. Teixeira, Lucas C.V. Rodrigues   +6 more
doaj   +1 more source

Europium(III) diphenylphosphinate as a potential low-dimensional nanostructured coordination polymer scintillator

Materials Letters: X, 2023
Rare earth diphenylphosphinates – [RE(dpp)3]n – are low-dimensional nanostructured luminescent materials with considerable thermal and chemical stability, obtained in powder form, consisting of highly insoluble nanowire/nanorod-shaped particles.
Luís Felipe Bricks Bim, Marco Aurélio Cebim   +1 more
doaj   +1 more source

A Scintillating One-Dimensional Coordination Polymer Based on Cadmium(II), N,N′-(1,4-Phenylenedicarbonyl)diglycinate, and 2,2′-Bipyridine: Crystal Structure, Hirshfeld Surface Analysis, and Luminescence Lifetime Properties ^†

Solids, 2021
In recent years, several coordination polymers of different dimensions and metal–organic frameworks were tested and expected to be good candidates for closing the gap between organic and plastic scintillators on the one hand side and inorganic ...
Niels-Patrick Pook
doaj   +1 more source

Solvothermal synthesis of rhombic shape GdF₃:Tb³⁺ nanoparticles for biomedical applications

Южно-Российский онкологический журнал, 2023
Purpose of the study. In this work, we have investigated the mechanism of structure formation of GdF3:Tb3+(15 %) nanocrystals synthesized by solvothermal synthesis in the temperature range from RT to 200 °C with a step of 50 °C.Materials and methods ...
E. A. Kuchma, O. E. Polozhentsev, I. A. Pankin, A. N. Bulgakov, P. A. Rud, A.  V. Soldatov   +5 more
doaj   +1 more source