Articles with "energy gap" as a keyword



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Realization of a Half Metal with a Record‐High Curie Temperature in Perovskite Oxides

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Published in 2022 at "Advanced Materials"

DOI: 10.1002/adma.202200626

Abstract: Half metals, in which one spin channel is conducting while the other is insulating with an energy gap, are theoretically considered to comprise 100% spin‐polarized conducting electrons, and thus have promising applications in high‐efficiency magnetic… read more here.

Keywords: energy gap; temperature; spin; curie temperature ... See more keywords
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Diarylethenes with a Narrow Singlet–Triplet Energy Gap Sensitizer: a Simple Strategy for Efficient Visible‐Light Photochromism

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Published in 2018 at "Advanced Optical Materials"

DOI: 10.1002/adom.201700847

Abstract: All-organic visible-light photochromism is reported here via a novel strategy with narrow singlet–triplet energy gap (ΔEST) materials as a sensitizer. Taking advantage of the narrow ΔEST feature an ... read more here.

Keywords: narrow singlet; triplet energy; singlet triplet; visible light ... See more keywords
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An energy gap phenomenon for the Whitney sphere

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Published in 2019 at "Mathematische Zeitschrift"

DOI: 10.1007/s00209-020-02569-7

Abstract: In this paper, we study Lagrangian surfaces satisfying $$\nabla ^*T=0$$ ∇ ∗ T = 0 , where $$T=-2\nabla ^*(\check{A}\lrcorner \omega )$$ T = - 2 ∇ ∗ ( A ˇ ⌟ ω ) and $$\check{A}$$… read more here.

Keywords: phenomenon whitney; whitney sphere; energy gap; gap phenomenon ... See more keywords
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Fine-tuning of energy gap, FTIR, photoluminescence and photocatalytic behavior of Centella asiatica extract mediated Mn/Mg doped ZnO nanostructure

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Published in 2019 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-019-02053-x

Abstract: Mn, Mg two element doped ZnO nanostructure derived from Centella asiatica leaf extract with Mn = 2% and Mg = 0, 2 and 4% were prepared by bio-synthesis method. Hexagonal structure of ZnO was maintained throughout the Mn/Mg doping… read more here.

Keywords: energy; zno nanostructure; centella asiatica; energy gap ... See more keywords
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On the optical energy gap of SmN

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Published in 2018 at "Chinese Journal of Physics"

DOI: 10.1016/j.cjph.2018.07.018

Abstract: Abstract The fundamental absorption edge of SmN is measured by the optical reflection and the transmission technique using a FTIR spectrometer. The MgF2 passivated thin films of SmN were grown by thermal evaporation. The optical… read more here.

Keywords: gap smn; energy gap; optical energy; energy ... See more keywords
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A combined experimental theoretical approach for energy gap determination, photophysical, photostable, optoelectronic, NLO, and organic light emitting diode (OLED) application: Synthesized coumarin derivative

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Published in 2019 at "Journal of Molecular Structure"

DOI: 10.1016/j.molstruc.2019.05.099

Abstract: Abstract In this technological world, there is a vast demand for organic materials due to their application in the field optoelectronic point of view. In this regard, we made an attempt to develop a new… read more here.

Keywords: gap; application; light emitting; energy gap ... See more keywords
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Trans Influence and Substituent Effects on the HOMO-LUMO Energy Gap and Stokes Shift in Ru Mono-Diimine Derivatives.

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Published in 2019 at "Journal of molecular structure"

DOI: 10.1016/j.molstruc.2019.06.005

Abstract: The ground (S0) and excited triplet (T1) electronic states and corresponding optical spectra of a series of cationic complexes [RuH(CO)L(PPh3)2]+ (L=2,2´-bipyridyl) (Rubpy), 4,4´-dicarboxylic-2,2´-bipyridyl (Rudcbpy), bis-4,4'-(N-methylamide)-2,2´-bipyridyl (Rudamidebpy), bis-4,4'-(methyl)-2,2´-bipyridyl (RudMebpy), [Ru(CO)2dcbpy(PPh3)2]2+ (Ru(2CO)dcbpy), and [Ru(H)2dcbpy(PPh3)2] (Ru(2H)dcbpy) have been… read more here.

Keywords: stokes shift; lumo energy; homo lumo; gap stokes ... See more keywords
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Generalization of the Haldane conjecture to SU(n) chains

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Published in 2020 at "Nuclear Physics B"

DOI: 10.1016/j.nuclphysb.2020.114932

Abstract: Abstract Recently, SU(3) chains in the symmetric and self-conjugate representations have been studied using field theory techniques. For certain representations, namely rank-p symmetric ones with p not a multiple of 3, it was argued that… read more here.

Keywords: ground; generalization haldane; ground state; finite energy ... See more keywords
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Structure-property relationship of phosphine oxide based thermally activated delayed fluorescence molecules: First-principles study

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Published in 2018 at "Organic Electronics"

DOI: 10.1016/j.orgel.2018.04.032

Abstract: Abstract Three phosphine oxide (P O) based blue TADF emitters with weak acceptors and strong donors (WASD) were reported recently by Xu’ group [Chem. Mater. 2016, 28, 5667], which provides a new way for the… read more here.

Keywords: phosphine oxide; oxide based; first principles; relationship ... See more keywords
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Characterizing Electronic Structure near the Energy Gap of Graphitic Carbon Nitride Based on Rational Interpretation of Chemical Analysis

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Published in 2018 at "Chemistry of Materials"

DOI: 10.1021/acs.chemmater.7b05316

Abstract: Graphitic carbon nitride (g-CN) has attracted enormous interest in applications as a visible-light-driven photocatalyst, particularly for hydrogen evolution via water splitting. Despite intensive photocatalytic works to achieve higher hydrogen-evolution rate, the chemical and electronic structures… read more here.

Keywords: near energy; energy; graphitic carbon; carbon nitride ... See more keywords
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Unusual Suppression of the Superconducting Energy Gap and Critical Temperature in Atomically Thin NbSe2.

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Published in 2018 at "Nano letters"

DOI: 10.1021/acs.nanolett.8b00443

Abstract: It is well-known that superconductivity in thin films is generally suppressed with decreasing thickness. This suppression is normally governed by either disorder-induced localization of Cooper pairs, weakening of Coulomb screening, or generation and unbinding of… read more here.

Keywords: gap; suppression; temperature; gap critical ... See more keywords