Suchinder K. Sharma
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View article: Investigating historical attribution: luminescence dating of bricks from a submerged structure in southeastern India
Investigating historical attribution: luminescence dating of bricks from a submerged structure in southeastern India Open
By 2019, a long brick platform with some structures was exposed when the Thamirabarani River, the southernmost river in the city of Thirunelveli, dried up. The civic society rejoiced at the discovery of the exposed structure as it was thou…
View article: pH-Activatable Molecular Probe for COX-2 Imaging in Human Oral Squamous Carcinoma Cells and Patient-Derived Tissues
pH-Activatable Molecular Probe for COX-2 Imaging in Human Oral Squamous Carcinoma Cells and Patient-Derived Tissues Open
For developing a successful cancer therapeutic modality, the early precise detection of cancer cells in patient biopsies in oral squamous cell carcinoma (OSCC) is crucial. This could help researchers create new diagnostic and therapeutic t…
View article: Band Gap Modulation in Zn2TiO4 Spinels for Efficient UV-A Persistent Luminescence
Band Gap Modulation in Zn2TiO4 Spinels for Efficient UV-A Persistent Luminescence Open
Spinels are important materials for an application in bioimaging. The key advantage with spinel-type hosts is the presence of antisite defects, which act as charge reservoirs for trapping electrons and holes at complementary defect sites. …
View article: UV-A,B,C Emitting Persistent Luminescent Materials
UV-A,B,C Emitting Persistent Luminescent Materials Open
The nearly dormant field of persistent luminescence has gained fresh impetus after the discovery of strontium aluminate persistent luminescence phosphor in 1996. Several efforts have been put in to prepare efficient, long decay, persistent…
View article: Evidence of thermal ionization induced luminescence quenching in CePO<sub>4</sub> and GdPO<sub>4</sub>
Evidence of thermal ionization induced luminescence quenching in CePO<sub>4</sub> and GdPO<sub>4</sub> Open
The optical properties and their temperature dependence of two rare earth orthophosphates, CePO 4 and GdPO 4 , are presented.
View article: A spectral library for laser-induced fluorescence analysis as a tool for rare earth element identification
A spectral library for laser-induced fluorescence analysis as a tool for rare earth element identification Open
With the recurring interest in rare earth elements (REEs), laser-induced fluorescence (LiF) may provide a powerful tool for their rapid and accurate identification at different stages along their value chain. Applications to natural materi…
View article: A spectral library for laser-induced fluorescence analysis as atool for rare earth element identification
A spectral library for laser-induced fluorescence analysis as atool for rare earth element identification Open
With the recurring interest on rare-earth elements (REE), laser-induced fluorescence (LiF) may provide a powerful tool for their rapid and accurate identification at different stages along their value chain. Applications to natural materia…
View article: Spectral library of laser-induced fluorescence (LiF) properties from Smithsonian rare-earth element (REE) orthophosphate standards
Spectral library of laser-induced fluorescence (LiF) properties from Smithsonian rare-earth element (REE) orthophosphate standards Open
The spectral library presents a data set of laser-induced fluorescence (LiF) spectra from rare-earth element (REE) orthophosphates provided and distributed as reference material for microbeam analysis by the Smithsonian National Museum of …
View article: Spectral library of laser-induced fluorescence (LiF) properties from Smithsonian rare-earth element (REE) orthophosphate standards
Spectral library of laser-induced fluorescence (LiF) properties from Smithsonian rare-earth element (REE) orthophosphate standards Open
The spectral library presents a data set of laser-induced fluorescence (LiF) spectra from rare-earth element (REE) orthophosphates provided and distributed as reference material for microbeam analysis by the Smithsonian National Museum of …
View article: Library of UV-Visible Absorption Spectra of Rare Earth Orthophosphates, LnPO4 (Ln = La-Lu, except Pm)
Library of UV-Visible Absorption Spectra of Rare Earth Orthophosphates, LnPO4 (Ln = La-Lu, except Pm) Open
In recent times, rare earth orthophosphates ( L n PO 4 ) have shown great potential as efficient optical materials. They possess either m o n a z i t e or x e n o t i m e –type structures. These light or heavy rare earth bearing orthophosp…
View article: Laser-induced fluorescence (LiF) spectroscopy for detecting REE cross-contaminations in the Smithsonian rare-earth element phosphate standards
Laser-induced fluorescence (LiF) spectroscopy for detecting REE cross-contaminations in the Smithsonian rare-earth element phosphate standards Open
<p>Spectroscopy based methods have proven great potential in efficient, non-invasive material characterization. Recording the material-specific optical properties delivers instant information on the composition of an investigated sam…
View article: Unraveling the impact of different thermal quenching routes on the luminescence efficiency of the Y<sub>3</sub>Al<sub>5</sub>O<sub>12</sub>:Ce<sup>3+</sup>phosphor for white light emitting diodes
Unraveling the impact of different thermal quenching routes on the luminescence efficiency of the Y<sub>3</sub>Al<sub>5</sub>O<sub>12</sub>:Ce<sup>3+</sup>phosphor for white light emitting diodes Open
Ratio of the radiative and nonradiative transition rates of YAG:Ce3+phosphor, affected by mode-selective vibrational excitation with an IR laser.
View article: Photoluminescence Properties and Fabrication of Red-Emitting LEDs based on Ca<sub>9</sub>Eu(VO<sub>4</sub>)<sub>7</sub> Phosphor
Photoluminescence Properties and Fabrication of Red-Emitting LEDs based on Ca<sub>9</sub>Eu(VO<sub>4</sub>)<sub>7</sub> Phosphor Open
We study the photoluminescence properties of the red-emitting phosphor Ca9Eu(VO4)(7) and establish a strong red emission centered at 613 nm under excitation at 395 nm (near ultra violet light, near-UV light) due to the intra-configurationa…
View article: Weak thermal quenching of the luminescence in the Ca<sub>3</sub>Sc<sub>2</sub>Si<sub>3</sub>O<sub>12</sub>:Ce<sup>3+</sup>garnet phosphor
Weak thermal quenching of the luminescence in the Ca<sub>3</sub>Sc<sub>2</sub>Si<sub>3</sub>O<sub>12</sub>:Ce<sup>3+</sup>garnet phosphor Open
We report results of the luminescence properties of the three garnet type phosphors Ce3+-doped Ca3Sc2Si3O12(CSSO:Ce3+), Sr3Y2Ge3O12(SYG:Ce3+) and Y3Al5O12(YAG:Ce3+), investigated using optical spectroscopy techniques and vacuum referred bi…
View article: Understanding the Reasons for Variations in Luminescence Sensitivity of Natural Quartz Using Spectroscopic and Chemical Studies
Understanding the Reasons for Variations in Luminescence Sensitivity of Natural Quartz Using Spectroscopic and Chemical Studies Open
Natural quartz from diverse provenances exhibit variations in their luminescence sensitivity (photon flux/mg.Gy) that span over ten orders of magnitude. A range of factors (such as crystallization/recrystallization process, irradiation, th…
View article: Controlling disorder in the ZnGa<sub>2</sub>O<sub>4</sub>:Cr<sup>3+</sup> persistent phosphor by Mg<sup>2+</sup> substitution
Controlling disorder in the ZnGa<sub>2</sub>O<sub>4</sub>:Cr<sup>3+</sup> persistent phosphor by Mg<sup>2+</sup> substitution Open
The effect of Mg substitution on the structure and various types of defects introduced into the structure that affect persistent luminescence was studied.