Results 41 to 50 of about 10,649 (215)

Effect of Mg on the Structural, Optical and Thermoluminescence Properties of Li3Al3(BO3)4: Shift in Main Glow Peak

open access: yesMolecules, 2023
The doping of magnesium on lithium aluminium borate phosphor is reported in this study. A solid-state sintering technique was employed as the borate samples were synthesized. This report focuses on the structural, optical, thermoluminescence, and kinetic
Adil Alshoaibi   +5 more
doaj   +1 more source

Hierarchical and Encrypted Optical Storage Based on Trap Level Modulation

open access: yesNational Materials, EarlyView.
ABSTRACT Driven by booming electronic information technology, massive digital data overloads current storage systems. Limited by optical diffraction, traditional optical media struggle to further boost storage capacity. To address these challenges, Yichun Liu and colleagues recently reported an advanced storage strategy in National Materials. This work
Xiaoli Wang, Zhiyong Tang
wiley   +1 more source

Absorbed doses for patients undergoing panoramic radiography, cephalometric radiography and CBCT

open access: yesInternational Journal of Occupational Medicine and Environmental Health, 2017
Objectives: Contemporary dental radiology offers a wide spectrum of imaging methods but it also contributes to an increase in the participation of dental radiological diagnosis in the patient’s exposure to ionizing radiation.
Małgorzata Wrzesień, Jerzy Olszewski
doaj   +1 more source

Synthesis of Samarium‐incorporated X‐ray‐sensitive nanoparticles and hydrogels: Diverse applications in radiation monitoring and dynamic information display

open access: yesSmart Molecules, EarlyView.
Sm3+‐doped α‐NaLuF4 and β‐NaLuF4 were synthesized. The X‐ray‐activated persistent luminescence abilities and afterglow properties can be well controlled. Sm3+‐doped β‐NaLuF4 exhibits remarkable afterglow ability. The hexagonal β‐NaLuF4:3%Sm3+‐incorporated hydrogel can be further programmed with other types of hydrogels to enable tunable emission ...
Zetong Zhang   +6 more
wiley   +1 more source

Concurrent tunable structural color, luminescence, and afterglow in single ZnS: X@SiO2 spheres via SiO2‐nanoarmor and calcination decoupling collaborative strategy

open access: yesSmart Molecules, EarlyView.
For the first time, tunable structural color, luminescence, and afterglow are integrated into single ZnS:X@SiO2 spheres via a SiO2‐nanoarmor and calcination decoupling strategy, achieving 250–410 nm monodisperse wurtzite spheres with 91% phase conversion, 12.8% PLQY, and 12.27 s afterglow. Abstract The integration of structural color, photoluminescence,
Tianyi Liu   +3 more
wiley   +1 more source

A reappraisal of the Middle to Later Stone Age prehistory of Morocco Réévaluer la préhistoire du Maroc, du Middle Stone Age au Later Stone Age

open access: yesJournal of the Royal Anthropological Institute, EarlyView.
Over the last 25 years, perceptions of the early prehistory of Northwest Africa have undergone radical changes due to new fieldwork projects and a corresponding growth in scientific interest in the region. Much of this work has been focused in Morocco, known for its extremely rich fossil and archaeological records in caves and rock shelters.
Nick Barton   +3 more
wiley   +1 more source

Mechanism of thermoluminescence phototransferred by ultraviolet light [PDF]

open access: yes, 2022
Mecanismo da termoluminescencia fototransferida pela luz ultravioletaMechanism of thermoluminescence phototransferred by ultraviolet ...
Costa, Laercio Muniz da
core   +1 more source

Cross-Dating in Archaeology: A Comparative Archaeomagnetic, Thermoluminescence and Radiocarbon Dating of an Ancient Kiln, Ceva, Northern Italy

open access: yesHeritage
In this study, we present the dating results of an ancient kiln excavated near Ceva (Northern Italy) obtained through combined archaeomagnetic and thermoluminescence approaches.
Evdokia Tema   +3 more
doaj   +1 more source

And then there was us Et puis nous sommes apparus

open access: yesJournal of the Royal Anthropological Institute, EarlyView.
In 1987, the academic conference ‘Origins and Dispersals of Modern Humans: Behavioural and Biological Perspectives’ was held in Cambridge, UK. Subsequently referred to as the ‘Human Revolution’ conference, this meeting brought together the most prominent academics working in the field of human origins, including archaeologists and palaeoanthropologists,
Emma E. Bird   +2 more
wiley   +1 more source

Recent progress in studies of the last million years of human physical and behavioural evolution Avancées récentes dans l’étude du dernier million d'années d’évolution physique et éthologique de l'espèce humaine

open access: yesJournal of the Royal Anthropological Institute, EarlyView.
This article presents a synthesis of recent developments in the study of human evolution over the past five years. It begins with an overview of hominin species nomenclature and diversity, followed by an examination of the proposed population bottleneck ∼900,000 years ago.
James Cole   +3 more
wiley   +1 more source

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