☆ 4.6 Article

Sensitized erbium emission from silicon-rich nitride/silicon superlattice structures

APPLIED PHYSICS LETTERS (2008)

期刊

APPLIED PHYSICS LETTERS

卷 92, 期 18, 页码 -

出版社

AMER INST PHYSICS

DOI: 10.1063/1.2920435

关键词

-

类别

Physics, Applied

向作者/读者索取更多资源

Protocol

Reagent

摘要

Erbium-doped silicon-rich nitride/silicon superlattice structures were fabricated by direct magnetron cosputtering deposition on Si substrates. Rapid thermal annealing resulted in the nucleation of small amorphous Si clusters, which efficiently sensitize 1.54 mu m emission via a nanosecond-fast nonresonant energy transfer process, providing an alternative route toward the fabrication of Si-compatible devices based on Er sensitization. (C) 2008 American Institute of Physics.

作者

我是这篇论文的作者

点击您的名字以认领此论文并将其添加到您的个人资料中。

评论

主要评分

4.6

评分不足

次要评分

新颖性

-

重要性

-

科学严谨性

-

评价这篇论文

推荐

Article Optics

Sensitized electroluminescence from erbium doped silicon rich oxynitride light emitting devices

Lingbo Xu, Hongjing Piao, Zhiyuan Liu, Can Cui, Deren Yang

Summary: This study demonstrates sensitized electroluminescence from erbium doped SRON material with onset voltage as low as 5 V, attributed to bipolar carrier injection and subsequent energy transfer to Er3+ ions. SRON shows promise as an Er3+ host for CMOS compatible light sources.

JOURNAL OF LUMINESCENCE (2021)

添加到收藏夹

Article Chemistry, Physical

Efficient Sensitized Photoluminescence from Erbium Chloride Silicate via Interparticle Energy Transfer

Hao Shen, Huabao Shang, Yuhan Gao, Deren Yang, Dongsheng Li

Summary: In this study, Erbium compound nanocrystals and Si nanocrystal (Si NC) co-embedded silica film were prepared using the sol-gel method. The effective sensitized emission of Er chloride silicate nanocrystals was achieved through interparticle energy transfer between silicon nanocrystal and Er chloride silicate nanocrystals. The influence of sensitizers and Er compounds' density and distribution on the interparticle energy transfer efficiency was discussed. This study provides important insights into efficient light emission for silicon-based integrated photonics.

MATERIALS (2022)

添加到收藏夹

Article Chemistry, Physical

Heat conduction below diffusive limit in amorphous superlattice structures

Yuxuan Liao, Sotaro Iwamoto, Michiko Sasaki, Masahiro Goto, Junichiro Shiomi

Summary: Advanced means of reducing the thermal conductivity of dense amorphous materials through nanostructuring is crucial for thermal management in future electronic and optical devices. By measuring the thermal conductivity of amorphous-silicon/amorphous-silica superlattices, it was shown that nanostructures can inhibit the transport of diffusons in addition to scattering propagons, allowing for significant tunability of amorphous thermal conductivity using truly nanoscale structures. The effects of interface scattering on diffusion transport can be effectively described by the Boltzmann transport equation, revealing the similarities between propagons and diffusons.

NANO ENERGY (2021)

添加到收藏夹

Article Chemistry, Multidisciplinary

Efficient quantum dot-sensitized solar cells through sulfur-rich carbon nitride modified electrolytes

Akash S. Rasal, Khalilalrahman Dehvari, Girum Getachew, Chiranjeevi Korupalli, Anil Ghule, Jia-Yaw Chang

Summary: Modifying conservative polysulfide electrolytes with polymer additives such as sulfur-rich graphitic carbon nitride (SGCN) can enhance the photovoltaic performance of quantum dot sensitized solar cells (QDSSCs), particularly improving short-circuit current and fill factors. The efficiency of QDSSCs is increased by the additives, possibly due to the electron-rich surface of SGCN hindering electron-hole recombination and facilitating the reduction of S-n(2-) to S2- redox couple more efficiently.

NANOSCALE (2021)

添加到收藏夹

Article Materials Science, Multidisciplinary

Integrated Optical Sensing and Communication (IOSAC) System Based on Hybrid-Waveguide Structures

Xiangpeng Ou, Ying Qiu, Ming Luo, Junjie Li, Xiaobin He, Jianfeng Gao, Fujun Sun, Peng Zhang, Gang Yang, Anyan Du, Bin Li, Zichen Liu, Zhihua Li, Ling Xie, Xi Xiao, Jun Luo, Wenwu Wang, Jin Tao, Yan Yang

Summary: This study proposes and demonstrates an integrated optical sensing and communication (IOSAC) system based on a silicon nitride (Si3N4) photonics platform. The system shows high sensitivity and high-speed real-time monitoring and transmission capabilities. Experimental results indicate the potential application of the system in refractive index sensing and optical communication.

ADVANCED MATERIALS TECHNOLOGIES (2023)

添加到收藏夹

Article Chemistry, Multidisciplinary

Ligand-Sensitized Near-Infrared to Visible Linear Light Upconversion in a Discrete Molecular Erbium Complex

Bahman Golesorkhi, Soroush Naseri, Laure Guenee, Ines Taarit, Filipe Alves, Homayoun Nozary, Claude Piguet

Summary: By connecting an NIR dye antenna to the Er3+ activator in a single discrete molecule, the inherent low-efficient metal-based excited-state absorption mechanism is cured with a powerful indirect sensitization via an energy transfer upconversion, drastically improving the molecular-based upconverted Er3+-centered visible emission.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2021)

添加到收藏夹

Article Materials Science, Multidisciplinary

Silicon Rich Nitride Huygens Metasurfaces in the Visible Regime

Oren Goldberg, Rivka Gherabli, Jacob Engelberg, Jinan Nijem, Noa Mazurski, Uriel Levy

Summary: In this work, a high-index dielectric material called silicon rich nitride (SRN) is proposed for the construction of metasurfaces. The study demonstrates the theoretical and experimental realization of a Huygens metasurface operating in the visible range using SRN. The material offers advantages such as high refractive index, CMOS compatibility, low loss, and tunability of refractive index. This research opens up new possibilities for metasurface design using SRN as a potential alternative to widely used TiO2.

ADVANCED OPTICAL MATERIALS (2023)

添加到收藏夹

Article Physics, Applied

Amplified spontaneous emission from europium-based molecular complexes coupled to photonic crystal cavities

Ruggero Emmanuele, Wei Wang, Ashton Smith, Eric Masson, David J. Gosztola, Tijana Rajh, Saw Wai Hla, Xuedan Ma

Summary: Rare-earth ion-based materials have remarkable optical properties but also limitations due to their weak emission. In this study, we successfully couple Eu(III)-based molecular complexes to nanobeam photonic crystals, achieving a high spontaneous emission coupling efficiency. Our findings suggest that integrating rare-earth ion-based molecular complexes with photonic structures could regulate their emission characteristics for specific applications.

APPLIED PHYSICS LETTERS (2023)

添加到收藏夹

Article Optics

Ultra-compact titanium dioxide micro-ring resonators with sub-10-μm radius for on-chip photonics

Meicheng Fu, Yi Zheng, Gaoyuan Li, Wenjun Yi, Junli Qi, Shaojie Yin, Xiujian Li, Xiaowei Guan

Summary: Experimental demonstration of ultracompact titanium dioxide (TiO2) microring resonators with sub-10-mu m radii shows significant advantages in optical performance, indicating promising prospects as photonic devices.

PHOTONICS RESEARCH (2021)

添加到收藏夹

Article Physics, Applied

Mechanical investigations of free-standing SiN membranes patterned with one-dimensional photonic crystal structures

Ali Akbar Darki, Robin Vinther Nielsen, Jens Vinge Nygaard, Aurelien Dantan

Summary: A combination of noninvasive measurements and finite element simulations accurately determines the tensile stress, elasticity modulus, and density of nanostructured thin films. The results show that highly reflective thin membranes possess high mechanical quality and are suitable for optomechanics and sensing applications. Additionally, this method provides a nondestructive approach to determine key material parameters in fragile nanostructured thin films.

JOURNAL OF APPLIED PHYSICS (2022)

添加到收藏夹

Article Optics

Fluorescence optimization and ratiometric thermometry of near-infrared emission in erbium/oxygen-doped crystalline silicon

Pu Zhang, Jin Hong, Huimin Wen, Hao Wei, Jingquan Liu, Fangyu Yue, Yaping Dan

Summary: Crystalline Si implanted with rare-earth erbium may solve the issue of low luminous efficiency in silicon-based optical amplifiers and lasers. By deep cooling Er/O co-doped c-Si samples, the thermal quenching effect is suppressed and room-temperature photoluminescence is significantly improved. Optimization of photoluminescence performance is achieved through tuning parameters such as annealing temperature and time, deep cooling rate, O and Er concentration, and their ratio.

JOURNAL OF LUMINESCENCE (2022)

添加到收藏夹

Article Materials Science, Ceramics

Defect structures and dopant solution states of Hf-doped Si3N4 ceramics

Akihide Kuwabara, Xiang Gao, Ralf Riedel, Emanuel Ionescu, Yuichi Ikuhara

Summary: This study investigates the defect structures of Hf-doped β-Si3N4 using theoretical calculations and scanning transmission electron microscopy (STEM). The results reveal that Hf dopants mainly substitute for Si sites and occasionally occupy interstitial sites in the lattice of β-Si3N4.

INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY (2022)

添加到收藏夹

Article Chemistry, Physical

Annealing Effects on Structural Characteristics of Europium Doped Silicon-Rich Silicon Nitride

Afaf Brik, Bedra Benyahia, Brahim Mahmoudi, Amar Manseri, Faiza Tiour, Isa Menous, Amine Mefoued, Abdelkader Guenda

Summary: In this work, the electrochemical deposition and properties of Eu-doped silicon nitride films are reported. The silicon nanocrystals were obtained by thermal annealing of SiNx films, and their morphology, structure and chemical properties were studied using various characterization techniques. The photoelectric behavior of the silicon nanocrystals was investigated using Raman microscopy. The results showed successful incorporation of Eu into the silicon nitride matrix.

SILICON (2022)

添加到收藏夹

Article Materials Science, Ceramics

Colored Si3N4 ceramics via constructing Nd3+ doped core-shell structures

Ning Liu, Tengfei Hu, Jingxian Zhang, Duan Yusen, Zhen Wang, Shaoming Dong

Summary: Si3N4 ceramics are attractive casing materials for electronics devices under the 5th generation mobile communication technology due to their outstanding comprehensive properties. However, a single color is insufficient for most consumers. Therefore, a typical strategy involving the formation of core-shell structures using the Nd2O3-MgO-YAG system is proposed to achieve rich color. Scanning transmission electron microscope-energy dispersive X-ray spectrometry results confirm the presence of core-shell structures in the silicon nitride matrix, with a porous core and an Nd-enriched liquid phase shell. The Nd-rich core-shell structure acts as a color center, giving the silicon nitride a cyan or blue appearance.

JOURNAL OF THE AMERICAN CERAMIC SOCIETY (2023)

添加到收藏夹

Article Multidisciplinary Sciences

Ultrafast optical circuit switching for data centers using integrated soliton microcombs

Arslan Sajid Raja, Sophie Lange, Maxim Karpov, Kai Shi, Xin Fu, Raphael Behrendt, Daniel Cletheroe, Anton Lukashchuk, Istvan Haller, Fotini Karinou, Benn Thomsen, Krzysztof Jozwik, Junqiu Liu, Paolo Costa, Tobias Jan Kippenberg, Hitesh Ballani

Summary: Optical technologies play a crucial role in data center networks, with Si3N4 microcomb technology enhancing performance. Overcoming challenges in network scaling, the future direction is towards a more efficient and scalable wavelength-switched network.

NATURE COMMUNICATIONS (2021)

添加到收藏夹

暂无数据

暂无数据

© Peeref 2019-2024. All rights reserved.