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In the past few years, phase-change materials have become increasingly important in nano-photonics and optoelectronics. The advantages of sizeable optical contrast between phases and the additional degree of freedom from phase switching…

Optics · Physics 2023-01-31 Daniel T. Yimam , Minpeng Liang , Jianting Ye , Bart J. Kooi

Titanium silicide is a key contact material in advanced three-dimensional semiconductor device architectures. Here, we examine the formation of ultrathin Ti-silicide on Si(100) using a combination of non-destructive in-situ and ex-situ ion…

Coherent light sources in silicon photonics are the long-sought holy grail because silicon-based materials have indirect bandgap. Traditional strategies for realizing such sources, e.g., heterogeneous photonic integration, strain…

Optics · Physics 2024-09-05 Z. He , B. Chen , Y. Hua , Z. Liu , Y. Wei , S. Liu , A. Hu , X. Shen , Y. Zhang , Y. Gao , J. Liu

Silicon Carbide (SiC) has several advantageous properties compared to Silicon (Si) that make it an appealing detector material, such as a larger charge carrier saturation velocity, bandgap, and thermal conductivity. While the current…

Instrumentation and Detectors · Physics 2024-11-06 Philipp Gaggl , Jürgen Burin , Andreas Gsponer , Simon Emanuel Waid , Richard Thalmeier , Thomas Bergauer

Silicon carbide is a promising platform for single photon sources, quantum bits (qubits) and nanoscale sensors based on individual color centers. Towards this goal, we develop a scalable array of nanopillars incorporating single silicon…

Cubic silicon carbide (3C-SiC) is an emerging material for high power and new generation devices, but the development of high quality 3C-SiC layer still represents a scientific and technological challenge especially when grown on a Si…

Applied Physics · Physics 2020-01-17 M. Zimbone , M. Zielinski , E. G. Barbagiovanni , C. Calabretta , F. La Via

Microscale additive manufacturing of reflective copper is becoming increasingly important for microelectronics and microcomputers, due to its excellent electrical and thermal conductivity. Yet, it remains challenging for state-of-the-art…

Optics · Physics 2025-12-30 Youwen Liang , Bo Shen , Wan Shou

While electric and magnetic dipolar resonances in SiC have been studied in the far-infrared, they have not been studied in the near infrared. Here we show for the first time that electromagnetic Mie-scattering moments within SiC…

Silicon Carbide (SiC) demonstrates significant potential for high-energy particle detection in complex radiation environments due to its exceptional radiation resistance, excellent environmental adaptability, and fast response time.…

Instrumentation and Detectors · Physics 2025-04-04 Zaiyi. Li , Xiyuan. Zhang , Congcong. Wang , Haolan. Qu , Jiaxiang. Chen , Peilian. Liu , Suyu. Xiao , Xinbo. Zou , Hai. Lu , Xin. Shi

Nano-scaled metallic or dielectric structures may provide various ways to trap light into thin-film solar cells for improving the conversion efficiency. In most schemes, the textured active layers are involved into light trapping structures…

Optics · Physics 2014-12-01 DongLin Wang , Gang Su

Ionising radiation interactions in matter can trigger a cascade of processes that underpin long-lived damage in the medium. To date, however, a lack of suitable methodologies has precluded our ability to understand the role that material…

The negatively-charged silicon vacancy center ($\rm V_{Si}^-$) in silicon carbide (SiC) is an emerging color center for quantum technology covering quantum sensing, communication, and computing. Yet, limited information currently available…

How to make a material anti-reflective without changing its high refraction index? Achieving anti-reflection in high-refractive-index materials poses challenges due to their high reflectivity (Fresnel equations). Based on theory with new…

Optics · Physics 2024-08-12 V. Gareyan , N. Margaryan , Zh. Gevorkian

Spherical silicon nanoparticles with sizes of a few hundreds of nanometers represent a unique optical system. According to theoretical predictions based on Mie theory they can exhibit strong magnetic resonances in the visible spectral…

We report on the microscopic surface structure of carbon-fiber-reinforced silicon carbide (C/SiC) composite mirrors that have been improved for the Space Infrared Telescope for Cosmology and Astrophysics (SPICA) and other cooled telescopes.…

Astrophysics · Physics 2009-06-23 Keigo Enya , Takao Nakagawa , Hidehiro Kaneda , Takashi Onaka , Tuyoshi Ozaki , Masami Kume

Diamond silicon (Si) is the leading material in current solar cell market. However, diamond Si is an indirect band gap semiconductor with a large energy difference (2.4 eV) between the direct gap and the indirect gap, which makes it an…

Materials Science · Physics 2013-03-18 H. J. Xiang , Bing Huang , Erjun Kan , Su-Huai Wei , X. G. Gong

The controlled creation of defect center---nanocavity systems is one of the outstanding challenges for efficiently interfacing spin quantum memories with photons for photon-based entanglement operations in a quantum network. Here, we…

The synthesis of embedded silicon carbide was carried out in N type silicon samples having (100) and (111) orientations using high dose implantation of carbon ions at room temperature. The variation of dose was employed to get dose…

Materials Science · Physics 2007-05-23 Y. S. Katharria , V. BAranwal , D. C. Agarwal , R. Krishna , P. Kumar , F. Singh , D. Kanjilal

Material absorption is a key limitation in nanophotonic systems; however, its characterization is often obscured by scattering and diffraction loss. Here we show that nanomechanical frequency spectroscopy can be used to characterize the…

Reflection of near-infrared light is important for preventing heat transfer in energy saving applications. A large-area, mass-producible reflector that contains randomly distributed disk-shaped silver nanoparticles and that exhibits high…

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