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electronic and optical properties of iron pyrite
Electronic and optical properties of iron pyrite
2011-2-10 1. Introduction. Since last three decades, there is a considerable interest in the layered transition-metal dichalcogenides (MX 2: M = transition-metal from IV B, VB, VI B or
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Electronic and optical properties of iron pyrite
2011-2-10 Research highlights. First ever theoretical and experimental Compton profiles along with anisotropies in momentum densities. Computation of electronic properties using LCAO
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Electronic and optical properties of iron pyrite Request PDF
2010-12-8 Ouarab Nouredine. Systematic ab-initio investigations were used to explore whether the electronic and optical behaviors of iron pyrite can achieve by alloying with nickel. The
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Electronic and optical properties of iron pyrite Semantic
Abstract We have computed for the first time the energy bands, density of states and Compton profiles of FeS2 using linear combination of atomic orbital approach. To interpret the
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Electronic and optical properties of iron pyrite (Journal
Made available by U.S. Department of Energy Office of Scientific and Technical Information
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Optical properties, phonons and electronic structure of
2001-2-5 For increasing the band gap of iron pyrite (FeS2) to make it more suitable for photovoltaic applications, we calculated the structural, electronic and optical properties of pure
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electronic and optical properties of iron pyrite
Effect of capping ligands on the optical properties and. Jul 25, 2016 In this work, the optical and electronic properties of iron pyrite FeS 2 nanocrystals and solid thin films with various capping
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Optical properties, phonons and electronic structure of
The reflectivity spectrum has been measured for photon energies between 0.03 eV and 12 eV and the optical transmission between 0.03 eV and the absorption edge at 0.95 eV. The real and
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Optical properties, phonons and electronic structure of
2001-2-5 Reset your password. If you have a user account, you will need to reset your password the next time you login. You will only need to do this once.
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Optical properties, phonons and electronic structure of
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Electrical and optical properties of natural iron pyrite (FeS2)
The optical and transport properties of naturally occurring mineral pyrite (FeS 2) are measured with a view to determine E g, the energy gap of this semiconductor and to determine the scattering mechanism in the low temperature region (80 and 270 K).Analysis of the optical absorption studies indicate pyrite to be an indirect band gap semiconductor in which a single
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Electrical and optical properties of natural iron pyrite (FeS2)
The optical and transport properties of naturally occurring mineral pyrite (FeS2) are measured with a view to determine Eg, the energy gap of this semiconductor and to determine the scattering mechan...
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Electronic and optical properties of iron pyrite
First ever theoretical and experimental Compton profiles along with anisotropies in momentum densities. Computation of electronic properties using LCAO (for the first time) and FP-LAPW (with the latest gradient functionals). Optical properties (imaginary part of optical dielectric constants and absorption coefficients) and utility of FeS 2 in solar cells.
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electronic and optical properties of iron pyrite
Effect of capping ligands on the optical properties and. Jul 25, 2016 In this work, the optical and electronic properties of iron pyrite FeS 2 nanocrystals and solid thin films with various capping ligands were systematically investigated by UV–Vis–NIR absorption spectroscopy, cyclic voltammetry and current density–voltage characteristic measurements.
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Optical properties, phonons and electronic structure of
The reflectivity spectrum has been measured for photon energies between 0.03 eV and 12 eV and the optical transmission between 0.03 eV and the absorption edge at 0.95 eV. The real and imaginary part of the dielectric function have been calculated using a Kramers-Kronig analysis and an energy level scheme has been derived. All phonon modes expected by group
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Optical properties, phonons and electronic structure of
2001-2-5 Reset your password. If you have a user account, you will need to reset your password the next time you login. You will only need to do this once.
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Optical properties, phonons and electronic structure of
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First-principles studies of electronic, transport and bulk
2018-2-14 Iron pyrite (FeS 2), commonly known as “fool’s gold”, is an earth-abundant, non-toxic and most common of the sulfide minerals.It has, for a long time, been investigated as a candidate material for photo-electrochemical and photovoltaic cells. 1–6 1. P. P. Altermatt, T. Kiesewetter, K. Ellmer, and H. Tributsch, Solar Energy Materials and Solar Cells 71(2), 181– 195 (2002).
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Electronic and chemical structures of pyrite and
2018-1-2 The first-principles plane-wave pseudopotential method is used to study the electronic and chemical structures of pyrite (FeS 2) and arsenopyrite (FeAsS). The results indicate that an antibonding interaction occurs between Fe and As atoms in arsenopyrite. (2000) Full potential band structure calculation of iron pyrite. Computational
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Pyrite Mineral Properties, Uses, Occurrence & more...
Pyrite is commonly referred to as “fool’s gold.”. Although much lighter than gold, its brassy color and relatively high density misled many novice prospectors. Its name is derived from the Greek word pyr, meaning “fire,” because it emits sparks when struck by iron. It is opaque and pale silvery yellow when fresh, turning darker and
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Electronic and optical properties of iron pyrite Article
Article “Electronic and optical properties of iron pyrite” Detailed information of the J-GLOBAL is a service based on the concept of Linking, Expanding, and Sparking, linking science and technology information which hitherto stood alone to support the generation of
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Electronic and optical properties of iron pyrite JOURNAL
The absolute profiles and the anisotropies in momentum densities are well explained by the hybridisation of Hartree-Fock scheme and density functional theory. In addition, to explore the utility of FeS(2) in photovoltaics, we have also discussed the optical properties using full potential linearised augmented plane wave method. (C) 2010
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Electronic and optical properties of iron pyrite
We have computed for the first time the energy bands, density of states and Compton profiles of FeS <sub>2</sub> using linear combination of atomic orbital approach. To interpret the theoretical Compton profiles, we have measured the first ever experimental Compton profiles along [110] and [100] directions using 100mCi <sup>241</sup> Am Compton spectrometer.
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Electronic and optical properties of iron pyrite
First ever theoretical and experimental Compton profiles along with anisotropies in momentum densities. Computation of electronic properties using LCAO (for the first time) and FP-LAPW (with the latest gradient functionals). Optical properties (imaginary part of optical dielectric constants and absorption coefficients) and utility of FeS 2 in solar cells.
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electronic and optical properties of iron pyrite
Effect of capping ligands on the optical properties and. Jul 25, 2016 In this work, the optical and electronic properties of iron pyrite FeS 2 nanocrystals and solid thin films with various capping ligands were systematically investigated by UV–Vis–NIR absorption spectroscopy, cyclic voltammetry and current density–voltage characteristic measurements.
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Optical and Electrical Transport Evaluations of n-Type Iron
Iron pyrite [cubic FeS2 (cFeS2)] is considered as an earth-abundant and low-cost thin-film photovoltaic material. However, the conversion efficiency of cFeS2-based solar cells remains below 3%. To elucidate this limitation, we evaluate the optical and electrical characteristics of cFeS2 single crystals that are grown using the flux method, thus providing us an
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Optical properties, phonons and electronic structure of
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Nanomaterials Free Full-Text Fabrication of Iron Pyrite
2021-10-26 Iron pyrite is a cheap, stable, non-toxic, and earth-abundant material that has great potential in the field of photovoltaics. Electrochemical deposition is a low-cost method, which is also suitable for large-scale preparation of iron pyrite solar cells. In this work, we prepared iron pyrite films by electrochemical deposition with thiourea and explored the effect of sulfurization
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Effects of Iron on Optical Properties of Dissolved Organic
2014-8-1 Iron is a source of interference in the spectroscopic analysis of dissolved organic matter (DOM); however, its effects on commonly employed ultraviolet and visible (UV–vis) light adsorption and fluorescence measurements are poorly defined. Here, we describe the effects of iron(II) and iron(III) on the UV–vis absorption and fluorescence of solutions containing two
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Environment and Natural Resources Trust Fund
2022-6-29 Iron Range hematite samples from both the taconite process and an emerging ilmenite process will be converted to iron, then used to synthesize pyrite crystals and films. We will then conduct extensive testing, assessing purity, structural quality, electronic/optical properties, etc. Direct
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