Showing 1-25 of 4,949 resultsfor "Index Terms":2D Materials
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2D Semiconductor FETs—Projections and Design for Sub-10 nm VLSI
Two-dimensional (2D) crystal semiconductors, such as the well-known molybdenum disulfide (MoS2), are witnessing an explosion in research activities due to their apparent potential for various electronic and optoelectronic applications. In this paper, dissipative quantum transport simulations using nonequilibrium Green's function formalism are performed to rigorously evaluate the scalability and pe...Show More
An ab-initio study of 2 dimensional metal (Cu, Ag) - 1T’ ReS2 van der Waals heterostructure
2021 Devices for Integrated Circuit (DevIC)
Year: 2021 | Conference Paper |
In this work with density functional theory calculations, we investigated the van der Waals heterostructure (vdWh) between metallic 2 dimensional (2D) sheets of Cu and Ag with monolayer 1T' ReS2. With structural relaxations inclusive of van der Waals forces, the stable interfacial configuration were optimized. Thereafter the various properties of the vdWh, such as density of states, electron densi...Show More
KLM and FEM (PZFLEX) models were used to compare piezoelectric materials in 2D matrix transducer designs, including PZT5H, high dielectric ceramics, single crystal, and multilayer PZT. The 5-layer PZT configuration demonstrated the best performance (10+dB more transmit sensitivity) for the impedance transformation effects. The PMN-PT single crystal array has higher bandwidth and consumes less dyna...Show More
Large-Scale Integration of 2D Material Heterostructures by Adhesive Bonding
Arne Quellmalz;Xiaojing Wang;Stefan Wagner;Simon Sawallich;Max C. Lemme;Kristinn B. Gylfason;Niclas Roxhed;Göran Stemme;Frank Niklaus
2020 IEEE 33rd International Conference on Micro Electro Mechanical Systems (MEMS)
Year: 2020 | Conference Paper |
Cited by: Papers (5)
We report the integration of graphene/hexagonal boron nitride (hBN) heterostructure devices on large-areas by adhesive wafer bonding, a method suitable for industrial mass-production. In this new approach, we stack graphene and hBN by two consecutive bond transfers whereby the graphene and its interface to hBN is not in contact with potentially contaminating polymers or adhesives at any time. To s...Show More
Simulation and Comparison of Drain Current in 2D FET Using Molybdenum Disulphide (MoS2) and Molybdenum Selenide (MoSe2) Based Self Assembled Dielectric Monolayer
2023 Intelligent Computing and Control for Engineering and Business Systems (ICCEBS)
Year: 2023 | Conference Paper |
Cited by: Papers (1)
Aim: The research work aims to simulate current voltage characteristics and compare the drain current in 2DFET using Molybdenum Disulphide (MoS2) and Molybdenum selenide (MoSe2) as self-assembled dielectric monolayers. Materials and Methods: Two groups are Au/MoS2/n-SiO2 and Au/MoSe2/n-SiO2 based 2D FET. A total of 68 samples were obtained from the simulation for the sample size of two MOS devices...Show More
Enabling high efficiencies in MoS2 homojunction solar cells
Carlos Bueno-Blanco;Simon A. Svatek;Der-Yuh Lin;Mario Martínez;Kenji Watanabe;Takashi Taniguchi;Elisa Antolín
2021 IEEE 48th Photovoltaic Specialists Conference (PVSC)
Year: 2021 | Conference Paper |
Cited by: Papers (1)
Van der Waals structures made of layered semiconductor materials, such as transition metal dichalcogenides (TMDCs), have been proposed for the development of ultra-thin solar cells. The performance of these devices was initially limited by low open-circuit voltages (VOC), a problem that has been recently overcome with the demonstration of a VOC of 1 V in a MoS2 homojunction. However, the conversio...Show More
Simulation analysis of the performance of linear introduction motor in Maxwell 2D
2012 IEEE Symposium on Electrical & Electronics Engineering (EEESYM)
Year: 2012 | Conference Paper |
Cited by: Papers (2)
This paper mainly analyses the effects that the secondary material has on the magnetic distribution and operation performance of linear introduction motor. And it narrates the methods to adjust edge effect,uses Maxwell 2D software to simulate the magnetic field generated by linear introduction motor and gives the simulation result. This paper has a certain reference value to design, development an...Show More
Integration of 2D materials with textiles for applications in wearable electronics*
Monica F Craciun;Ana Neves;Saverio Russo;Kavya Sreeja Sadanandan;Agnes Bacon;Dong-Wook Shin;Saad Fr Alkhalifa;Gopika Rajan;Elias Torres Alonso;Connor Murphy
2023 IEEE Nanotechnology Materials and Devices Conference (NMDC)
Year: 2023 | Conference Paper |
2D materials are emerging systems for wearable electronics and smart textiles applications due to their exceptional properties such as electrical conductivity, optical transparency and mechanical flexibility. These properties offer opportunities for the seamless incorporation of electronic devices in textiles. In this invited talk, I will give an overview of our developments in the integration of ...Show More
Low-energy carrier dynamics in graphene and other 2D materials
S. Winnerl;J. C. König-Otto;M. Mittendorff;A. Pashkin;T. Venanzi;H. Schneider;M. Helm
2018 International Conference Laser Optics (ICLO)
Year: 2018 | Conference Paper |
Phonons in graphene and interexcitonic transition in transition metal dichalcogenides are examples for low-energy excitations in 2D materials. Free-electron lasers such as FELBE deliver tunable short mid-infrared pulses that are ideally suited to study the carrier dynamics in 2D materials in the energy range of these low-energy excitations. We present results on the electron dynamics in graphene a...Show More
Electronic, Stability and Optical properties of Strained Germanene monolayers: A DFT analysis
2024 International Conference on Optical MEMS and Nanophotonics (OMN)
Year: 2024 | Conference Paper |
In this study, we have investigated the electronic, stability, and optical properties of strained Germanene monolayers using density functional theory (DFT). Germanene is a two-dimensional allotrope of germanium which has attracted significant attention due to its potential applications in nanoelectronics, optoelectronics, and spintronics. By applying strain to the Germanene monolayers, we explore...Show More
Mechanical properties of homogeneous and heterogeneous layered 2D materials
2015 International Conference on Simulation of Semiconductor Processes and Devices (SISPAD)
Year: 2015 | Conference Paper |
Cited by: Papers (1)
Transition metal dichalcogenides (TMDC) such as molybdenum disulfide (MoS2) are 2D materials that are promising for flexible electronics and piezoelectric applications, but their low mechanical strength limits practical use. In this work, we study the mechanical properties of heterostructures containing MoS2 and graphene, another 2D material with exceptional mechanical properties, using atomistic ...Show More
Elliptically Polarized THz Generation and Manipulation from Layered Two-dimensional Materials
2022 Cross Strait Radio Science & Wireless Technology Conference (CSRSWTC)
Year: 2022 | Conference Paper |
Elliptically polarized terahertz (THz) emitter with tunable polarization state utilized in THz time-domain spectroscopy has intriguing potential for various applications, such as data processing, medical diagnosis, chiral molecular analysis, and so on. With the rapid development of material science, two-dimensional (2D) materials have been seen as the efficient and burgeoning nanoscale THz sources...Show More
Layered Identification of Two-Dimensional(2D) Material Flakes
Shaosheng Huang;Xianjin Lin;Encheng Tan;XinHua Qiu;Kaiqiang Lin;Lei Wang
2024 IEEE 18th International Conference on Anti-counterfeiting, Security, and Identification (ASID)
Year: 2024 | Conference Paper |
2D material is considered as the key to crack the chip performance bottleneck. After preparing 2D material flakes and obtaining their micro-optical images, it is still necessary to rely on manually experience to discriminate the material layers, which is inefficient, high workload, and poor accurate. Therefore, a method based on semantic segmentation is proposed to automatically identify the numbe...Show More
2D Organic-Inorganic Perovskite (ATHP)2PbI4 With Huge Out-of-Plane Piezoelectric Properties
Recently, organic-inorganic hybrid perovskite has attracted increasingly attention because of its excellent piezoelectric and ferroelectric properties. In this letter, the first principles method was employed to analyze the piezoelectric properties of two-dimensional (2D) organic-inorganic perovskite (4-aminotetrahydropyran, ATHP)2PbX4(X = Cl, Br and I). The calculation shows that 2D (ATHP)2PbX4 h...Show More
Overview of Electron Emission Laws from 2D Materials
2023 IEEE 36th International Vacuum Nanoelectronics Conference (IVNC)
Year: 2023 | Conference Paper |
In this paper, we present an overview of the novel scaling laws of thermionic emission (TE), field emission (FE) and photoemission (PE) for two-dimensional (2D) materials. For these emerging materials, we express the emission models in the form of $\ln(J/K^{\beta})\propto 1/K$, where J is the emission current density, $K$ is temperature (T) for TE and $K$ is dc or optically field for FE and PE. He...Show More
2D Material Liquid Crystals for Optoelectronics and Photonics
2018 International Conference Laser Optics (ICLO)
Year: 2018 | Conference Paper |
The merging of the materials science paradigms of liquid crystals and 2D materials promises superb new opportunities for the advancement of the fields of optoelectronics and photonics. In this paper, we summarise the development of 2D material liquid crystals by two different methods: dispersion of 2D materials in a liquid crystalline host and the liquid crystal phase arising from dispersions of 2...Show More
2D TMDCs-Based NIR Photodetector on a Silicon Microring Cavity
Rishi Maiti;Chandraman Patil;Rohit Hemnani;Ti Xie;Rubab Amin;Volker J. Sorger
2019 IEEE Research and Applications of Photonics in Defense Conference (RAPID)
Year: 2019 | Conference Paper |
Cited by: Papers (1)
Here, we report a photodetector (PD) based on heterogeneous integration of Few-layer MoTe2 integrated on MRR by using our developed 2D printer technique. The device is realized in a two-terminal in-plane electrode configuration without applying external gating, showing a responsivity of (~0.1 A/W).Show More
Characterization of Electromagnetic Materials under 2D/3D Rotational Magnetization
2023 IEEE International Conference on Applied Superconductivity and Electromagnetic Devices (ASEMD)
Year: 2023 | Conference Paper |
Cited by: Papers (1)
The properties of electromagnetic materials play a key role in designing electromagnetic devices such as electrical machines and transformers. Although the magnetic fields in these devices are generally two-dimensional (2D) or even three-dimensional (3D) and rotational, the material properties obtained from one-dimensional (1D) alternating magnetization are commonly used due to the lack of availab...Show More
Integrated Photonic Functions Using Anisotropic 2D Material Structures
Journal of Lightwave Technology
Cited by: Papers (1)
Plasmonic waveguides based on 2D materials, which enable the formations of guided modes confined around few-layered material, are promising plasmonic platforms for the miniaturization of photonic devices. Nonetheless, such waveguides support modes that are evanescent in the waveguide core with the majority of the fields concentrated around waveguide edges, which are different from those supported ...Show More
Simple theoretical analysis of the photoemission from quantum confined non-linear optical, optoelectronic and related materials
2007 International Workshop on Physics of Semiconductor Devices
Year: 2007 | Conference Paper |
An attempt is made to study the photo emission from quantum wells (QWs) of non-linear optical materials on the basis of a newly formulated electron dispersion law considering the anisotropies of the effective electron masses, the spin-orbit splitting constants and the presence of the crystal field splitting within the framework of k.p formalism. It has been found taking quantum confined CdGaAs2, H...Show More
Interlayer twist angle-dependent electronic structure and optical properties of InSe/WTe2 van der Waals heterostructure
2022 IEEE International Conference of Electron Devices Society Kolkata Chapter (EDKCON)
Year: 2022 | Conference Paper |
In this paper, we have studied the interlayer twist angle-dependent electronic structure and optical properties of InSe/WTe2 van der Waals (vdW) heterostructure by density functional theory (DFT)-PBE calculations. The variation of electronic band structure and optical spectra of InSe/WTe2 vdW heterostructure at various interlayer twist angles i.e. 0°, 13.90°, 19.11°, and 30° have been studied in d...Show More
The use of carbon fibre composites in divertor target plate tiles and structures
H. Altmann;E. Deksnis;J. Fanthome;C. Froger;C. Lowry;A. Peacock;M.A. Pick
Proceedings of 16th International Symposium on Fusion Engineering
Year: 1995 | Conference Paper |
Cited by: Papers (1)
Carbon-carbon fibre composite (CFC), in the form of target plate tiles, is a standard material for intercepting conducted power in divertors. Its good thermal conductivity and ability to withstand high temperatures without melting give it an advantage over other materials for plasma facing components. Supporting structures are generally made from stainless steels or Inconels. In a radiating divert...Show More
Transmission Matrix-based Quantitative Phase Microscopy with High Sensitivity for Profiling 2D Materials
TENCON 2022 - 2022 IEEE Region 10 Conference (TENCON)
Year: 2022 | Conference Paper |
Quantitative phase microscopy (QPM) has been widely used in material metrology field, while the limited phase sensitivity and simple thickness retrieval model hinder the further applications for profiling very thin materials (e.g., two-dimensional (2D) materials). Here, we present a high sensitivity QPM method, where a common-path interferometry scheme and a high full-well-capacity camera are used...Show More
Comparative Analysis of FDTD Intensity Profile of 2D and Noble Materials for TERS Application
TENCON 2018 - 2018 IEEE Region 10 Conference
Year: 2018 | Conference Paper |
Imaging technique with high-sensitivity and high-spatial-resolution at single molecular level is always a desired aspect to the researchers. In association with scanning probe microscopy and Surface-Enhanced Raman Spectroscopy (SERS), a new technology has shown the light of hope to achieve what was thought as unachievable earlier, named Tip-Enhanced Raman Spectroscopy (TERS). An essential tip is u...Show More
Analysis of Integrated Photonics with Saturable Absorption in the C-Band Employing 2D 1 T’-MoTe2 Monolayer
Maria Carolina Volpato;Pierre-Louis De Assis;Newton Cesário Frateschi
2023 International Conference on Optical MEMS and Nanophotonics (OMN) and SBFoton International Optics and Photonics Conference (SBFoton IOPC)
Year: 2023 | Conference Paper |
Cited by: Papers (1)
We investigate the potential of IT’-MoTe2 as a saturable absorber for silicon photonics devices. By optimizing the coupling coefficient between the 2D material and the wave-guide, we achieve a maximum coupling of 18%. Utilizing carrier statistics calculations, we estimate the saturation intensity per effective interaction length as 7.5MW/cm2·nm at 1560nm. Our simulation suggests that the saturatio...Show More
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