Results 11 to 20 of about 1,352,213 (332)

Comparison Between Mass Attenuation Coefficient of Metals (Fe, Ag, Sn, Pt, Au, Pb) According to Their Atomic Number

open access: yesJournal of Studies in Science and Engineering, 2021
The paper describes the X-ray attenuation in materials according to their atomic number, using six different materials from low atomic number to higher atomic number, Iron (Fe-26) as low atomic number, silver (Ag-47), tin (Sn-50), platinum (Pt-78), gold (
Viyan Jamal Jalal   +2 more
doaj   +1 more source

Empirical Relation for Electronic and Optical Properties of Binary Tetrahedral Semiconductors

open access: yesEast European Journal of Physics, 2021
The concept of ionicity has been developed by Phillips and Van Vechten from the dielectric analysis of the semiconductors and insulators to evaluate various bond parameters of binary tetrahedral (AIIBVI and AIIIBV) semiconductors.
Ajay Singh Verma   +2 more
doaj   +1 more source

A New Response to Wray and an Attempt to Widen the Conversation

open access: yesSubstantia, 2022
This article begins by examining a recent claim by Brad Wray that the discovery of atomic number and isotopy constitutes a scientific revolution in the sense of the later writings of Thomas Kuhn.
Eric Scerri
doaj   +1 more source

Number-resolved preparation of mesoscopic atomic ensembles

open access: yesNew Journal of Physics, 2021
The analysis of entangled atomic ensembles and their application for interferometry beyond the standard quantum limit requires an accurate determination of the number of atoms.
A Hüper   +9 more
doaj   +1 more source

Optoelectronic Properties of Ternary Tetrahedral Semiconductors

open access: yesEast European Journal of Physics, 2021
The dielectric interpretation of crystal ionicity evolved by Phillips and Van Vechten (P.V.V) has been utilized to evaluate various ground state properties for broad range of semiconductors and insulators.
Rajesh C. Gupta   +2 more
doaj   +1 more source

Investigation of radiological properties of imaging agents used in nuclear medicine with different methods and GATE/Geant4 simulation program [PDF]

open access: yesNuclear Technology and Radiation Protection, 2023
This study aims to determine the radiological properties of various radiopharmaceuticals used in nuclear medicine. In the study, mass attenuation coefficient values in different energy ranges were obtained for six different radiopharmaceuticals ...
Sahmaran Turan, Tugrul Taylan
doaj   +1 more source

Effect of Atomic Number on Plasma Pinch Properties and Radiative Emissions

open access: yesAdvances in High Energy Physics, 2021
The aim of the research is to examine the dependence of plasma pinch properties and radiation emissions on the atomic number of the operating gas within the dense plasma focus device (NX2) when using hydrogen and argon gases.
Walid Sahyouni, Alaa Nassif
doaj   +1 more source

Effect of dysprosium on the radiation-shielding features of SiO2–PbO–B2O3 glasses

open access: yesOpen Physics, 2023
In a variety of applications using ionizing radiation, it is essential to ensure the safety of both individuals and equipment. To this end, excellent radiation shielding materials, including glasses and rare earth elements, such as Dy2O3, are currently ...
Almuqrin Aljawhara H.   +1 more
doaj   +1 more source

An investigation of the nuclear shielding effectiveness of some transparent glasses manufactured from natural quartz doped lead cations

open access: yesNuclear Engineering and Technology, 2021
The influence of lead cations on natural quartz (QZ) from Egypt as a glass shielding material for the composition with nominal formula (10Na2O - (90 - x) QZ – xPbO (where x = 30, 35, 40, 45 and 50 mol %)) was examined. The studied samples are synthesized
Said M. Kassem   +5 more
doaj   +1 more source

A novel approach based on X-ray fluorescence and photon attenuation to the analysis of soils for forensic investigation

open access: yesRevista Brasileira de Ciência do Solo, 2022
Use of soil in forensic science is related to its several chemical, physical, and biological properties associated with its capacity to adhere to different materials and surfaces.
Luiz Fernando Pires   +3 more
doaj   +1 more source

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