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band gap

A Novel Multi-Band Electromagnetic Band-Gap Structure

A Novel Multi-Band Electromagnetic Band-Gap Structure

... Abstract—In this paper, a novel multi-band EBG structure is presented. By making slots on Sievenpiper High Impedance Surface (HIS) to increase the inductance and capacitance, the resonant frequency of the EBG ...

8

Resolution of the Band Gap Prediction Problem for Materials Design

Resolution of the Band Gap Prediction Problem for Materials Design

... codes. Band gap calculations for 70 compounds with ex- perimental band gaps ranging from 0–15 eV were performed using the B3PW91 hybrid density functional in the modified ...of band gaps for ...

104

Band structure calculations of Si–Ge–Sn
alloys: achieving direct band gap
materials

Band structure calculations of Si–Ge–Sn alloys: achieving direct band gap materials

... This system is currently believed to be of great practical interest, since it offers a direct band gap in Ge at a reasonable level of strain (>1.8%) as well as type-I heterostructure [11] (of importance ...

15

Enhanced Low Profile, Dual-Band Antenna via Novel Electromagnetic Band Gap Structure

Enhanced Low Profile, Dual-Band Antenna via Novel Electromagnetic Band Gap Structure

... The literature provides a few methods to analyse EBG structures, specifically how to identify their band gaps [13]. One methodology, based on the dispersion diagram, relies on studying the wave vector in function ...

11

Frequency modulation in Direct Band gap Semiconductors: Band structure and Density of state mass effects

Frequency modulation in Direct Band gap Semiconductors: Band structure and Density of state mass effects

... direct gap semiconductors offer considerable range of fabrication of optoelectronic devices because of large optical nonlinearities in the vicinity of band gap resonant transitions [2, 3] and they ...

9

Band Gap Simulations of 1-Dimensional Photonic Crystal

Band Gap Simulations of 1-Dimensional Photonic Crystal

... work, band gap has been computed for a 1D photonic ...for band gap computation of photonic ...of band gap for 1D photonic ...

5

Polyaniline/MnTiO3Nanocomposites: Fabrication, Characterization and Optical band gap

Polyaniline/MnTiO3Nanocomposites: Fabrication, Characterization and Optical band gap

... optical band gap of a material are two important parameters bywhich the optical characteristics and its practical applications in various fields are ...optical band gap attributed to the O 2- ...

5

Design of New Compact Photonic Band Gap Filter and Their Advantages

Design of New Compact Photonic Band Gap Filter and Their Advantages

... photonic band-gap (PBG) [1] structures are effective in microwave applications that provide an effective control of electromagnetic (EM) waves along specific direction and ...Photonic band gap ...

5

Electromagnetic Susceptibility of an Electromagnetic Band-Gap Filter Structure

Electromagnetic Susceptibility of an Electromagnetic Band-Gap Filter Structure

... electromagnetic band-gap (C- EBG) microstrip structure, patches are etched periodically in the ground plane to prohibit the propagation of electromagnetic waves in certain frequency bands so as to provide ...

26

Electromagnetic band gap (EBG) for microstrip antenna design

Electromagnetic band gap (EBG) for microstrip antenna design

... electromagnetic band gap (EBG) properties from several published papers and books, design a conventional rectangular microstrip antenna and the new EBG structure operating at ...

16

Low band-gap benzothiadiazole conjugated microporous polymers

Low band-gap benzothiadiazole conjugated microporous polymers

... low band-gap conjugated polymers can effectively quench fluorescence of the conjugated polymers and facilitate charge transfer from electron donor to electron acceptor ...

6

Genetic Algorithm Optimized Electromagnetic Band Gap Structure for Wide Band Noise Suppression

Genetic Algorithm Optimized Electromagnetic Band Gap Structure for Wide Band Noise Suppression

... In the present paper, a simple EBG structure is proposed that provides a wide band gap of 20 GHz. This structure is generated by placing square metal patches on the substrate. The unit cell dimensions were ...

7

Triple Band Notched UWB Antenna Design Using Electromagnetic Band Gap Structures

Triple Band Notched UWB Antenna Design Using Electromagnetic Band Gap Structures

... triple band notches is ...WLAN band (5.15 GHz–5.825 GHz) and X-Band downlink satellite communication band ...Electromagnetic Band Gap (EBG) structures to achieve ...

9

Bi-induced band gap reduction in epitaxial InSbBi alloys

Bi-induced band gap reduction in epitaxial InSbBi alloys

... interesting band structure, significant Bi-induced band gap reduction, and increase in spin-orbit splitting which make them suitable for optoelectronic devices operating in the near- and mid-infrared ...

6

Electronic Structures and Band Gap of Doped Germanium Nanowires (GeNWs)

Electronic Structures and Band Gap of Doped Germanium Nanowires (GeNWs)

... Valence band maxima = - 0.230495 eV so the band gap of circular Ge nanowire = ...conduction band minima = 2.01078 eV; valence band maxima = - ...the band gap of ...

5

Band Gap Narrowing and Widening of ZnO Nanostructures and Doped Materials

Band Gap Narrowing and Widening of ZnO Nanostructures and Doped Materials

... smaller band gap of between ...the band gap energy of the nanomaterials is larger than their micron-sized ...materials. Band gap widening of nanomaterials are attributed to the ...

12

Bi induced band gap reduction in epitaxial InSbBi alloys

Bi induced band gap reduction in epitaxial InSbBi alloys

... interesting band structure, significant Bi-induced band gap reduction, and increase in spin-orbit splitting which make them suitable for optoelectronic devices operating in the near- and mid-infrared ...

7

Growth, characterization, and functionalization of wide band gap oxide alloys

Growth, characterization, and functionalization of wide band gap oxide alloys

... of band gap engineering in a multitude of applications which requires for specific band gap en- ergies and/or designing efficient quantum structures with appropriate alignment of the ...

199

Band gap modulation of graphyne: A density functional theory study

Band gap modulation of graphyne: A density functional theory study

... energy gap is one of the biggest challenges for use of graphene and graphyne in nanoelectronic ...a band gap in graphene ...energy band gap was opened by adsorption of different ...

12

H-tailored surface conductivity in narrow band gap In(AsN)

H-tailored surface conductivity in narrow band gap In(AsN)

... wide-band gap dilute nitrides, such as Ga(AsN), has been researched both experimentally and theoretically, the effects of hydrogen on the electronic properties of narrow band gap III-N-Vs, ...

5

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