Results 21 to 30 of about 2,880 (253)

Extended-Range Luminescence Dating of Central and Eastern Amazonia Sandy Terrains

Frontiers in Earth Science, 2022
The Amazonia biome hosts upland closed and open vegetation ecosystems, in which the current biogeographical patterns relate to the evolution of the physical landscape.
Fernanda Costa G. Rodrigues, Naomi Porat, Thays Desiree Mineli, Ian Del Río, Pontien Niyonzima, Luciana Nogueira, Fabiano do Nascimento Pupim, Fabiano do Nascimento Pupim, Cleverson Guizan Silva, Paul Baker, Sherilyn Fritz, Ingo Wahnfried, Gustavo Kiefer, André Oliveira Sawakuchi   +13 more
doaj   +1 more source

Influence of 1.25 MeV gamma rays on optical and luminescent features of Er3+ doped zinc bismuth borate glasses

Results in Physics, 2019
Glasses based on 10ZnO-5Na2CO3-10Bi2O3-(75-x)B2O3-xEr2O3 with x = (0, 0.1, 0.3, 0.5, 0.7, 1.0) mol%, were synthesized by melt quenching technique and characterized through optical and luminescent features, before and after irradiating them with high ...
Vinod Hegde, Nimitha Prabhu, Akshatha Wagh, M.I. Sayyed, O. Agar, Sudha D. Kamath   +5 more
doaj   +1 more source

Luminescence Dating of Rock Surface. The Case of Monoliths from the Megalithic Sanctuary of Ossimo-Pat (Valle Camonica, Italy)

Applied Sciences, 2020
Ossimo-Pat megalithic sanctuary (Valle Camonica, BS, Italy) is one of the most relevant archaeological findings of the southern alpine region, for the variety of its structures and the quality of its engraved monoliths.
Anna Galli, Laura Panzeri, Paolo Rondini, Raffaella Poggiani Keller, Marco Martini   +4 more
doaj   +1 more source

An overview study on the TL and OSL dosimetry patent processes over time

Brazilian Journal of Radiation Sciences, 2023
Since its discovery, ionizing radiation has been used in many different applications. Materials and methods have been developed to measure and quantify radiation doses.
P. B. R. Gasparian, A. L. M. C. Malthez, L. Mariano, L. L. Campos, R. Politano   +4 more
doaj   +1 more source

Luminescence chronology for identifying depositional sequences in an uplifted coast since the Middle Pleistocene, eastern Japan

Frontiers in Earth Science, 2022
Feldspar post-infrared infrared stimulated luminescence (pIRIR) dating is an advantageous trapped-charge dating method concerning late Quaternary sedimentary records for its direct applicability to clastic sediments and wide time coverage.
T. Tamura, T. Tamura, T. Tamura, H. Okazaki, T. Naya, R. Nakashima, H. Nakazato, K. Seike, J. Okuno   +8 more
doaj   +1 more source

Sintering sodium chloride crystals for applications in optically stimulated luminescence (OSL) dosimetry

Brazilian Journal of Radiation Sciences, 2022
The main objective of this work was to study a new technique for the sintering of marine sodium chloride (NaCl) crystals obtained from seawater. In order to obtain an efficient luminescence, a better control in the amount of sample to be used, a better ...
Julia Vieira Lucena, René Rojas Rocca
doaj   +1 more source

Fiber optical dose rate measurement based on the luminescence of beryllium oxide

EPJ Web of Conferences, 2018
This work presents a fiber optical dose rate measurement system based on the radioluminescence and optically stimulated luminescence of beryllium oxide. The system consists of a small, radiation sensitive probe which is coupled to a light detection unit ...
Teichmann Tobias, Sponner Jan, Henniger Jürgen   +2 more
doaj   +1 more source

Synthesis and characterization of flower-like Al2O3:C for optically stimulated luminescence (OSL) dosimeter

Materials Research Express, 2021
Growth in radiation diagnosis and therapy drives personal radiation dosimeters for physical and radiological protection control. Nevertheless, OSL (optically stimulated luminescence) personal dosimeters in Thailand are all imported.
Varistha Chobpattana, Threeraphat Chutimasakul, Nittima Rungpin, Natch Rattanarungruangchai, Ploy Assavajamroon, Tanagorn Kwamman   +5 more
doaj   +1 more source

A review of the optically and thermally stimulated luminescence properties of aluminosilicates

Optical Materials: X
This paper reviews the main literature describing models for thermoluminescence (TL), optically stimulated luminescence (OSL) and radiophotoluminescence (RPL) in aluminosilicate materials, namely natural feldspar minerals and synthetic glasses.
S.W.S. McKeever
doaj   +1 more source

Feasibility studies on the use of MgB4O7:Ce,Li-based films in 2D optically stimulated luminescence dosimetry

Physics Open, 2020
The objective of this work is to demonstrate the feasibility of 2D dosimetry using optically stimulated luminescent (OSL) films based on MgB4O7:Ce,Li and to identify current limitations of this material for this application.
N. Shrestha, D. Vandenbroucke, P. Leblans, E.G. Yukihara   +3 more
doaj   +1 more source