Results 211 to 220 of about 187,986 (268)

Estimation of the Band Gap of Carbon Nanotube Bundles. [PDF]

Materials (Basel)
Ding Y, Chen JZ.
europepmc   +1 more source

Study on morphological, FTIR, optical band-gap and AC conductivity of Li₂CoP₂O₇ for advanced applications. [PDF]

RSC Adv
Aydi S, Djemli A, Algethami OA, Znaidia S, Sahnoune F, Oueslati A.   +5 more
europepmc   +1 more source

Band Gap Renormalization at Different Symmetry Points in Perovskites. [PDF]

ACS Photonics
Wang L, Nughays R, Yin J, Shih CH, Guo TF, Mohammed OF, Chergui M.   +6 more
europepmc   +1 more source

Encapsulated tri-band terahertz (THz) swiveled dielectric resonator antenna (DRA) with substrate integrated waveguide (SIW) and photonic band gap (PBG) crystal for gain enhancement. [PDF]

Sci Rep
Divya G, Babu K, Balakrishna I, Addepalli T, Mohammed DZ, Zakaria Z, Al-Gburi AJA.   +6 more
europepmc   +1 more source

Indirect to direct band gap transition and excellent optical properties in novel MoSi₂N₄-BP bilayer and trilayer vdW heterostructures. [PDF]

Sci Rep
Nourozi B, Khoeini F, Boochani A.
europepmc   +1 more source

Giant thermally induced band-gap renormalization in anharmonic silver chalcohalide antiperovskites.

J Mater Chem C Mater
Benítez P, Chen S, Jiang R, López C, Tamarit JL, Íñiguez-González J, Saucedo E, Monserrat B, Cazorla C.   +8 more
europepmc   +1 more source

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A Compact Dual Band Gap Electromagnetic Band Gap Structure

IEEE Transactions on Antennas and Propagation, 2019
In this communication, compact dual-bandgap two via double-slot-type electromagnetic bandgap (TVDS-EBG) structure is presented. The analysis of the TVDS-EBG structure is done by using the $LC$ model. Two resonance parallel $LC$ circuits per unit cell result dual-bandgap in the $x$ - and $y$ -directions.
Pramod P. Bhavarthe, Surendra S. Rathod, K. T. V. Reddy   +2 more
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Electromagnetic Band gap Structures

2007 IEEE Antennas and Propagation Society International Symposium, 2007
Various features about the application of EBG materials in printed antenna design and electromagnetic scattering are presented and methods of analysis are introduced. It is shown that a microstrip antenna with EBG or PMC surface has a larger directivity and lower side and back lobe levels. Numerical results are presented.
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Band Gap of Forsterite

Science, 1968
Optical absorption and reflectivity measurements on synthetic forsterite show that this silicate has a wide band gap of the order of 8.4 electron volts; thus it resembles other pure insulating oxides such as MgO. For natural olivines, in which divalent cations, mainly Fe 2+ , can replace Mg 2+
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Narrow Band Gap Conjugated Polyelectrolytes

Accounts of Chemical Research, 2017
Two essential structural elements define a class of materials called conjugated polyelectrolytes (CPEs). The first is a polymer framework with an electronically delocalized, π-conjugated structure. This component allows one to adjust desirable optical and electronic properties, for example the range of wavelengths absorbed, emission quantum yields ...
Qiuhong Cui, Guillermo C. Bazan
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