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Related papers: Ultrawide Band Gap \beta-Ga2O3 Nanomechanical Reso…

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Operation of nanomechanical devices in water environment has been challenging due to the strong viscous damping that greatly impedes the mechanical motion. Here we demonstrate an optomechanical micro-wheel resonator integrated in…

Optics · Physics 2015-08-12 King Yan Fong , Menno Poot , Hong X. Tang

Ga2O3 is a wide-band-gap semiconductor of great interest for applications in electronics and optoelectronics. Two-dimensional (2D) Ga2O3 synthesized from top-down or bottom-up processes can reveal brand new heterogeneous structures and…

Materials Science · Physics 2021-12-13 Junlei Zhao , Jesper Byggmastar , Zhaofu Zhang , Flyura Djurabekova , Kai Nordlund , Mengyuan Hua

$\beta$-Ga$_{2}$O$_{3}$ nanomembranes, obtained by ion-beam-assisted exfoliation, are used in the fabrication of simple metal-semiconductor-metal (MSM) structures, that are tested as photodetectors (PD) and field-effect transistors (FET).…

Semiconducting oxides with reducible cations are ideal platforms for various functional applications in nanoelectronics and catalysts. Here we report an ultrathin monolayer alpha-MoO3 where tunable electronic properties and different gas…

Materials Science · Physics 2022-04-20 Changmeng Huan , Pu Wang , Binghan He , Yongqing Cai , Qingqing Ke

Due to its tunable band gap, anisotropic behavior, and superior thermoelectric properties, device applications using layered tellurene (Te) are becoming attractive. Here, we report a thinning technique for exfoliated tellurene nanosheets…

High harmonic generation (HHG) opens a window on the fundamental science of strong-field light-mater interaction and serves as a key building block for attosecond optics and metrology. Resonantly enhanced HHG from hot spots in…

We demonstrate optomechanically-mediated electromagnetically-induced transparency and wavelength conversion in silicon nitride (Si3N4) microdisk resonators. Fabricated devices support whispering gallery optical modes with a quality factor…

Optics · Physics 2015-06-15 Yuxiang Liu , Marcelo Davanco , Vladimir Aksyuk , Kartik Srinivasan

Gallium oxide (b-Ga2O3) is a wide-bandgap compound semiconductor with a bandgap of ~ 4.9 eV that is currently considered promising for a wide range of applications ranging from transparent conducting electrodes to UV optoelectronic devices…

Materials Science · Physics 2020-01-08 Jan E. Stehr , Detlev M. Hofmann , Weimin M. Chen , Irina A. Buyanova

Beta-Ga2O3 is an ultra-wide bandgap semiconductor with emerging applications in power electronics. The introduction of acceptor dopants yields semi-insulating substrates necessary for thin-film devices. In the present work, exposure of…

The origin of ferromagnetism in nanoparticles of nonmagnetic oxides is an interesting area of research. In the present work, transport properties of niobium thin films, with beta-Ga2O3 nanoparticles embedded within them, are presented.…

We have studied the electronic structure of $\beta$-Na$_{0.33}$V$_2$O$_5$, which becomes a superconductor under pressure, by angle-resolved photoemission spectroscopy. Clear band dispersions is observed only along the chain direction,…

Strongly Correlated Electrons · Physics 2009-11-10 K. Okazaki , A. Fujimori , T. Yamauchi , Y. Ueda

Higher-order optical harmonics entered the realm of nanostructured solids being observed recently in optical gratings and metasurfaces with a subwavelength thickness. Structuring materials at the subwavelength scale allows for resonant…

Photoresponsivity studies of wide-bandgap oxide-based devices have emerged as a vibrant and popular research area. Researchers have explored various material systems in their quest to develop devices capable of responding to illumination.…

WO3-x thinfilms featuring petal-like and lamella-like nanostructures are grown under controlled oxygen partial pressures using hot filament chemical vapor deposition. These synthesized WO3-x nanostructures exhibit monoclinic structure and…

Materials Science · Physics 2025-04-16 K. Ganesan , P. K. Ajikumar

We present a simple fabrication method for the realization of suspended GaAs nanomembranes for cavity quantum optomechanics experiments. GaAs nanomembranes with an area of 1.36 mm by 1.91 mm and a thickness of 160 nm are obtained by using a…

Mesoscale and Nanoscale Physics · Physics 2015-05-30 Jin Liu , Koji Usami , Andreas Naesby , Tolga Bagci , Eugene S. Polzik , Peter Lodahl , Søren Stobbe

Semiconductor core$-$shell nanowires based on the GaAs substrate are building blocks of many photonic, photovoltaic and electronic devices, thanks to the associated direct band-gap and the highly tunable optoelectronic properties. The…

Materials Science · Physics 2020-10-22 Muhammad Usman

Two-dimensional (2D) materials enable new types of magnetic and electronic phases mediated by their reduced dimensionality like magic-angle induced phase transitions, 2D Ising antiferromagnets and ferromagnetism in 2D atomic layers and…

In this paper, an overview of the wide bandgap (WBG) semiconductors for radiation detection applications is presented. The recent advancements in the fabrication of high-quality wafers have enabled the remarkable WBG semiconductor device…

Applied Physics · Physics 2025-05-27 Ivana Capan

We investigated the structural evolution and optical properties of beta-Ga2O3 crystals implanted with different rare-earth (RE) ions using channeling Rutherford Backscattering Spectrometry, Positron Annihilation, Photoluminescence, and…

Electrostatic modification of functional materials by electrolytic gating has demonstrated a remarkably wide range of density modulation, a condition crucial for developing novel electronic phases in systems ranging from complex oxides to…

Mesoscale and Nanoscale Physics · Physics 2023-07-19 Yuan Ren , Hongtao Yuan , Xiaoyu Wu , Zhuoyu Chen , Yoshihiro Iwasa , Yi Cui , Harold Y. Hwang , Keji Lai