Results 21 to 30 of about 13,610,231 (348)

Application of chalcogenide compounds in infrared optoelectronic detection

open access: yesNantong Daxue xuebao. Ziran kexue ban, 2023
As the demand for sensitivity in infrared detection continues to rise, traditional infrared detectors based on thermal effects no longer meet the requirements in various fields such as military, communication, and life sciences.Consequently, new types of
ZHANG Tianshuo; GU Hao; CHEN Haijie
doaj   +1 more source

Design and Construction of an Affordable Phantom for Electron Density Measurement and Linearity Tests of Computed Tomography Systems [PDF]

open access: yesIranian Journal of Medical Physics, 2020
Introduction: The performance of computed tomography is routinely checked using phantoms, which are known as important diagnostic imaging tools. Depending upon the aim of the study, different phantoms are designed, while trying to satisfy certain levels ...
Rezvan Ravanfar Haghighi   +4 more
doaj   +1 more source

Investigation of the Profiles of High School Students’ Mental Models of the Concept of Photoelectric Effects

open access: yesScientiae Educatia: Jurnal Pendidikan Sains, 2020
A mental model was students’ internal representation when they learned a concept. The conceptual model is a description of natural phenomena following the views of scientists. Most high school students have an idea of classical physics on understanding
Yeni Rima Liana
doaj   +1 more source

Pemahaman Mahasiswa Tentang Efek Fotolistrik

open access: yesJPPPF: Jurnal Penelitian & Pengembangan Pendidikan Fisika, 2015
This study describes the student's understanding of the photoelectric effect theoretically and empirically by using PhET Interactive Simulation. Survey techniques was conduct to obtain data on students' understanding of the photoelectric effect on ...
Siswoyo Siswoyo
doaj   +1 more source

Validation of Cross Sections for Monte Carlo Simulation of the Photoelectric Effect [PDF]

open access: greenIEEE Transactions on Nuclear Science, 2016
Several total and partial photoionization cross section calculations, based on both theoretical and empirical approaches, are quantitatively evaluated with statistical analyses using a large collection of experimental data retrieved from the literature ...
Min Cheol Han   +7 more
openalex   +3 more sources

Near-Infrared Light-Responsive Hydrogels for Highly Flexible Bionic Photosensors

open access: yesSensors, 2023
Soft biological tissues perform various functions. Sensory nerves bring sensations of light, voice, touch, pain, or temperature variation to the central nervous system. Animal senses have inspired tremendous sensors for biomedical applications. Following
Rui Huang   +4 more
doaj   +1 more source

Development of Teacher Guidebook for Photoelectric Effects Instructional Using Predict-Observe-Explain Strategy with PhET Interactive Simulation

open access: yesJPPPF: Jurnal Penelitian & Pengembangan Pendidikan Fisika, 2019
This study developed a teacher book guide for photoelectric effects instructional using the Predict Observe Explain strategy with PhET interactive simulation.
Siswoyo Siswoyo
doaj   +1 more source

A Photovoltaic Technology Review: History, Fundamentals and Applications

open access: yesEnergies, 2022
Photovoltaic technology has become a huge industry, based on the enormous applications for solar cells. In the 19th century, when photoelectric experiences started to be conducted, it would be unexpected that these optoelectronic devices would act as an ...
Ricardo A. Marques Lameirinhas   +2 more
doaj   +1 more source

On Photoeffect in the Few-Electron Atomic Systems

open access: yesAtoms, 2022
Closed analytical formulas are derived for the differential and total cross sections of the non-relativistic photoelectric effect in the three main classes of few-electron atomic systems: (a) neutral atoms and positively charged atomic ions which contain
Alexei M. Frolov
doaj   +1 more source

Power-effective integral thermoelectric solar radiation converter

open access: yesВестник Дагестанского государственного технического университета: Технические науки, 2020
Aim. This article is devoted to the conversion of solar radiation into electricity using the joint effect of several methods, which complement each other by transforming the disadvantages of one method into the advantages of another method. Methods. Heat
S. M. Gadzhieva   +2 more
doaj   +1 more source

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