Results 41 to 50 of about 236,274 (192)
Nature Energy, 2019 Electricity produced by cadmium telluride (CdTe) photovoltaic modules is the lowest-cost electricity in the solar industry, and now undercuts fossil fuel-based sources in many regions of the world.
T. Fiducia +10 more
semanticscholar +1 more source
Photon-Induced Selenium Vacancies in TiSe2 [PDF]
arXiv, 2016 TiSe2 is a member of transition metal dichalcogenide family of layered van-der-Waals materials that exhibits some distinctive electronic and optical properties. Here, we perform Raman spectroscopy studies on single crystal TiSe2 to investigate photon-induced defects associated with formation of selenium vacancies.
arxiv
Photo-induced volume changes in selenium. Tight-binding molecular dynamics study [PDF]
, 2004 Tight-binding molecular dynamics simulations of photo-excitations in small Se clusters (isolated Se$_8$ ring and helical Se chain) and glassy Se networks (containing 162 atoms) were carried out in order to analyse the photo induced instability inside the amorphous selenium.
arxiv +1 more source
Selenium deficiency risk predicted to increase under future climate change
Proceedings of the National Academy of Sciences of the United States of America, 2017 Significance The trace element selenium is essential for human health and is required in a narrow dietary concentration range. Insufficient selenium intake has been estimated to affect up to 1 billion people worldwide.
G. D. Jones +8 more
semanticscholar +1 more source
Identifying structural order in Selenium with Near-Edge Spectroscopy [PDF]
arXiv, 2009 We investigate the crystallization of amorphous arsenic-selenium alloys with 0%, 0.5%, 2%, 6%, 10%, and 19% arsenic by atomic concentration using synchrotron X-ray absorption spectroscopy. We identify crystalline order using the extended X-ray absorption fine structure (EXAFS) spectra and correlate this order to changes in features of the X-ray ...
arxiv
Total energy calculation of high pressure selenium: The origin of incommensurate modulations in Se-IV and the instability of proposed Se-II [PDF]
, 2004 We present calculation of the high pressure crystal structures in selenium, including rational approximants to the recently reported incommensurate phases. We show how the incommensurate phases can be intuitively explained in terms of imaginary phonon frequencies arising from Kohn anomalies in the putative undistorted phase.
arxiv +1 more source
Current Knowledge on the Importance of Selenium in Food for Living Organisms: A Review
Molecules, 2016 Selenium is one of the elements classified within the group of micronutrients which are necessary in trace amounts for the proper functioning of organisms.
M. Kieliszek, S. Błażejak
semanticscholar +1 more source
Discovery of Zinc, Selenium, Bromine, and Neodymium Isotopes [PDF]
arXiv, 2010 Currently, thirty-two zinc, thirty-two selenium, twenty-nine bromine and thirty-one neodymium isotopes have been observed and the discovery of these isotopes is discussed here. For each isotope a brief synopsis of the first refereed publication, including the production and identification method, is presented.
arxiv
Selenium and outcome in heart failure
European Journal of Heart Failure, 2019 Severe deficiency of the essential trace element selenium can cause myocardial dysfunction although the mechanism at cellular level is uncertain. Whether, in clinical practice, moderate selenium deficiency is associated with worse symptoms and outcome in
N. Bomer +17 more
semanticscholar +1 more source
Selenium - a fascinating antioxidant of protective properties.
Advances in Clinical and Experimental Medicine, 2018 Selenium is a trace element which fulfils important functions in the organism. Its deficit may cause acute disorders, but an overdose can also lead to severe consequences.
M. Kiełczykowska +3 more
semanticscholar +1 more source