Results 31 to 40 of about 17,007 (304)

Polarized Luminescence of Bismuth Active Centers in Phosphosilicate Glasses

Photonics, 2023
The polarization properties of bismuth active centers (BACs) are important for many applications of bismuth-doped fibers, but they are still lacking in study. In this paper, we present the measurements of polarized luminescence (PL) of the BACs formed in
Alexander V. Elopov, Konstantin E. Riumkin, Fedor V. Afanasiev, Sergey V. Alyshev, Alexander V. Kharakhordin, Aleksandr M. Khegai, Elena G. Firstova, Sergei V. Firstov, Konstantin N. Nishchev, Mikhail A. Melkumov   +9 more
doaj   +1 more source

EU3+-O2- associates luminescence in Ba2SiO4 [PDF]

, 1997
Results on the luminescence properties of Eu3+ in Ba2SiO4 sites and the presence of Eu3+-O2- associates are reported. The Ba2SiO4:Eu3+ emission spectra showed two groups of transitions that might be assigned to the D-5(0) --> F-7(0) one. In each group at
Davolos, Marian Rosaly, O.L. Malta, Malta, O. L., Pires, Ana Maria, M.R. Davolos, A.M. Pires, Davolos, Marian Rosaly [UNESP], Pires, Ana Maria [UNESP]   +7 more
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Analysis of red-luminescence lifetime components of non-bridging oxygen hole centers in γ-ray irradiated silica glasses [PDF]

, 2023
International audienceThe relation between 1.9 eV red-luminescence intensity of non-bridging oxygen hole centers (NBOHCs) in silica and incident laser shot number was proved to be important to predict the occurrence of laser damage, in which a more ...
Chen, Wei, Hu, Lili, Wang, Jingang, Guzik, Malgorzata, Boulon, Georges, Cheng, Jimeng, Yu, Chunlei, Shao, Chongyun   +7 more
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IMPURITY LUMINESCENCE CENTERS IN FLUORAPATITE FROM QUARTZ-BEARING PARAGENESIS ACCORDING TO PHOTO-, CATHODE- AND SYNCHROTRON-INDUCED LUMINESCENCE

Геодинамика и тектонофизика, 2022
Apatite is typically characterized by a wide variety of spectrum and kinetic characteristics of luminescence; luminescent images of grains are often zonal.
Yu. V. Shchapova, S. I. Votyakov, G. B. Mikhalevsky, V. Yu. Ivanov, V. A. Pustovarov   +4 more
doaj   +1 more source

Upconversion Luminescent Humidity Sensors Based on Lanthanide-Doped MOFs

Chemosensors, 2022
Lanthanide-doped metal-organic frameworks (Y/Yb/Er-MOF) were synthesized by a low-cost solvothermal method. The obtained Y/Yb/Er-MOF shows the cooperative upconversion luminescence of Yb3+ and upconversion luminescence of Er3+ (Yb3+-sensitized ...
Zhuo Wang, Guotao Sun, Jiabo Chen, Yao Xie, Hong Jiang, Lining Sun   +5 more
doaj   +1 more source

Radiation effects in Gd3(Al,Ga)5:O12:Ce3+ single crystals induced by swift heavy ions

Optical Materials: X, 2022
Radiation effects in cerium doped Gd3(Al,Ga)5:O12 (or GGAG) single crystals irradiated by swift heavy ions with fluences ranging from 6·1010 to 2·1012 ions/cm2 have been studied.
V. Pankratova, V.A. Skuratov, O.A. Buzanov, A.A. Mololkin, A.P. Kozlova, A. Kotlov, A.I. Popov, V. Pankratov   +7 more
doaj   +1 more source

Isotopic fingerprints of gold-containing luminescence centers in 28Si [PDF]

, 2009
We have recently shown that the dramatic reduction in linewidth of many deep luminescence centers in highly enriched 28Si can lead to the observation of isotopic fingerprints, revealing not only that a specific element is involved in the defect complex ...
Yang, A, Thewalt, M L W, Johnston, K, Churbanov,, Saeedi, K, Abrosimov, N V, Kaliteevski, I D, Bulanov, A D, Riemann, H, Pohl, H J, Gusev, A V, Henry, M O, Sekiguchi, T, Becker, P, Steger, M, Godisov, O N   +15 more
core   +1 more source

Luminescence spectroscopy of natural and synthetic REE-bearing minerals [PDF]

, 2009
This study investigates the photoluminescence (PL), cathodoluminescence (CL), radioluminescence (RL) and ionoluminescence (IL) of natural and synthetic minerals.
Friis, Henrik
core  

Thermal dependence of luminescence lifetimes and radioluminescence in quartz [PDF]

, 2013
During time-resolved optical stimulation experiments (TR-OSL), one uses short light pulses to separate the stimulation and emission of luminescence in time.
Ramseyer, Karl, Martini, M, Fasoli, M, Li, SH, Chen, R, Fasoli, M., Chithambo, M.L., Pagonis, V., Chruscinska, A, Ramseyer, K, Chruscinka, A., Li, S.H., Chithambo, ML, Pagonis, V, Martini, M.   +14 more
core   +1 more source

Engineered extracellular vesicles enriched with the miR‐214/199a cluster enhance the efficacy of chemotherapy in ovarian cancer

Molecular Oncology, EarlyView.
Loss of the miR‐214/199a cluster is associated with recurrence in ovarian cancer. Engineered small extracellular vesicles (m214‐sEVs) elevate miR‐214‐3p/miR‐199a‐5p in tumor cells, suppress β‐catenin, TLR4, and YKT6 signaling, reprogram tumor‐derived sEV cargo, reduce chemoresistance and migration, and enhance carboplatin efficacy and survival in ...
Weida Wang, Ayesha Alvero, Yi Qin, Mingjin Wang, Alexandra Fox, Yanfeng Li, Michael Millman, Amy Kemper, Gil Mor, Xian Shuang Liu, Michael Chopp, Zheng Gang Zhang, Yi Zhang   +12 more
wiley   +1 more source