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Yongguang Cheng

Researcher at Zhengzhou University

Publications -  39
Citations -  668

Yongguang Cheng is an academic researcher from Zhengzhou University. The author has contributed to research in topics: Negative thermal expansion & Thermal expansion. The author has an hindex of 14, co-authored 39 publications receiving 571 citations.

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Tunable broad-band perfect absorber by exciting of multiple plasmon resonances at optical frequency

TL;DR: A broad-band perfect absorber composing a two-dimensional periodic metal-dielectric-metal sandwiches array on dielectric/metal substrate is designed and numerically investigated and it is shown that the nearly-perfect absorption can be achieved by overlapping of two plasmon resonances.
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Amorphous NiO electrocatalyst overcoated ZnO nanorod photoanodes for enhanced photoelectrochemical performance

TL;DR: In this article, the NiO/ZnO photoanodes were obtained by two step electrodepositions and annealing, and the highest PEC efficiency was found to be 1.81%.
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Negative thermal expansion and broad band photoluminescence in a novel material of ZrScMo2VO12.

TL;DR: It was demonstrated that this material exhibits not only excellent negative thermal expansion (NTE) property over a wide temperature range, but also very intense photoluminescence covering the entire visible region.
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A giant localized field enhancement and high sensitivity in an asymmetric ring by exhibiting Fano resonance

TL;DR: In this paper, the optical properties of asymmetric ring structures were investigated theoretically by using the discrete dipole approximation method, and the numerical results revealed that this kind of structure can achieve a giant localized field enhancement (LFE, 264) and a high LSPR sensitivity (corresponding FOM, 8.28) in the visible spectrum by Fano resonance, whose origin is discussed based on plasmon hybridization theory.
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Interaction of crystal water with the building block in Y2Mo3O12 and the effect of Ce3+ doping.

TL;DR: It is shown that the number of crystalWater molecules per molecular formula can be quantified by the full width at half maximum of the Raman bands or relative intensity with linear relationships, suggesting that Raman spectroscopy can be a potential tool in quantifying crystal water molecules at room temperature in this or related materials.