Article
Materials Science, Multidisciplinary
Shishir Kumar Pandey, Abhinav Kumar, Sagar Sarkar, Priya Mahadevan
Summary: Through a combination of ab initio electronic structure calculations and microscopic modeling, the study investigates the origin of a charge-ordered ferromagnetic insulating state in VO2 with 12.5% Cr doping, successfully reproducing the state and charge ordering at V and Cr sites. The quantification of the energy gain from different exchange pathways sheds light on the role of charge ordering in stabilizing the ferromagnetic insulating state.
Article
Chemistry, Multidisciplinary
Kun Ge, Dan Guo, Xiaojie Ma, Zhiyang Xu, Anwer Hayat, Songtao Li, Tianrui Zhai
Summary: The study presents a simple and cost-effective lift-off fabrication technique for large-area biocompatible random lasers to customize wearable sensors. The random lasers achieve coherent lasing with narrow linewidth and low threshold by adjusting the spacing between feedback agents. The flexible film can potentially be used on human skin as a motion and relative-humidity sensor, demonstrating a designable and simple method for wearable sensing.
Article
Chemistry, Physical
Abdelbaki Hacini, Ahmad Hadi Ali, Nurul Nadia Adnan, Nafarizal Nayan, Leila Harkat
Summary: A novel laser annealing treatment was used to enhance the properties of ITO/Cr-Ag/ITO thin film, resulting in improved crystalline quality, surface quality, and optical characteristics. The laser annealing significantly decreased the resistivity and improved the electrical contact.
SURFACES AND INTERFACES
(2023)
Article
Materials Science, Multidisciplinary
J. Buchinger, A. Wagner, Z. Chen, Z. L. Zhang, D. Holec, P. H. Mayrhofer, M. Bartosik
Summary: The use of superlattice architectures can enhance the hardness and fracture toughness of ceramic thin films. The mechanisms behind the toughness-enhancing effect are still partially unexplored, but by designing superlattices with identical elastic moduli but different lattice parameters, an enhanced fracture toughness was observed. The understanding of the coherency strains in the nanolayers within the superlattice structure is crucial for the observed toughness enhancement.
Article
Optics
Yang Ou, Jianjun Wu, Yu Zhang, Jian Li, Yuanzheng Zhao
Summary: This paper investigates the influence of different alloy particles on the plume characteristics of polymeric material under laser irradiation. The results show that each alloy particle can contribute to the stable and massive formation of the ablation plume. Among them, Al-Si doping exhibits the best propulsion performance.
OPTICS AND LASER TECHNOLOGY
(2022)
Article
Materials Science, Ceramics
Wenfeng Song, Zewen Zhu, Jianwei Cao, Zhi Wang, Jinshan Lu, Guoyu Qian
Summary: The concentration variation of Cr2O3 and PbO affects the surface crystallization of the base glass and its resistance to heavy metals. The mass ratio of Na2O/SiO2 also influences the inhibitory effect of PbO on crystallization. Moreover, heavy metal ions exhibit uneven distribution between the glass phase and crystals.
JOURNAL OF NON-CRYSTALLINE SOLIDS
(2021)
Article
Chemistry, Multidisciplinary
Jeong-Woo Nam, Vy Ngoc Pham, Jeong Min Ha, Minjeong Shin, Hangil Lee, Young-Sang Youn
Summary: Oxygen vacancies in CeO2 nanoparticles can enhance their photocatalytic activity under UV light. Doped CeO2 nanoparticles with increased oxygen vacancies were prepared by doping Cr and Fe ions into CeO2 nanoparticles, as confirmed by structural and electronic analysis. The doped CeO2 nanoparticles exhibited faster photocatalytic degradation rates for 5-hydroxymethylfurfural than pure CeO2 nanoparticles. In addition, the conversion of 5-hydroxymethylfurfural to 2,5-furandicarboxylic acid using the doped CeO2 nanoparticles occurred via selective oxidation to 5-hydroxymethyl-2-furancarboxylic acid, showing higher efficiency compared to CeO2 nanoparticles.
Article
Chemistry, Multidisciplinary
Shaojian Li, Zongyuan Zhang, Chuan Xu, Zhen Liu, Xiaorui Chen, Qi Bian, Habakubaho Gedeon, Zhibin Shao, Lijun Liu, Zhibo Liu, Ning Kang, Hui-Ming Cheng, Wencai Ren, Minghu Pan
Summary: The study on Cr-doped Mo2C crystals shows that Cr doping suppresses superconductivity in Mo2C and induces the appearance of incommensurate density waves (IDW), which could lead to charge density wave (CDW) phases.
Article
Chemistry, Physical
Aminat Oyiza Suleiman, Sabeur Mansouri, Joelle Margot, Mohamed Chaker
Summary: This work investigates the tuning of the insulator-metal transition temperature (TIMT) of VO2 thin films and their metastable phases by doping with Cr under different oxygen pressures. The combination of Cr doping and oxygen pressure leads to structural stabilization of metastable phases at room temperature, as confirmed by XRD and Raman measurements. The experimental approach provides a deeper understanding of VO2 film phase stability and offers new perspectives for tuning the IMT for technological applications.
APPLIED SURFACE SCIENCE
(2022)
Article
Biochemistry & Molecular Biology
Elzbieta Radzyminska-Lenarcik, Kamila Maslowska, Wlodzimierz Urbaniak
Summary: This study focuses on the use of 2-alkylimidazoles as ion carriers in polymer inclusion membranes for the separation of copper, zinc, cobalt, and nickel from aqueous solutions. By analyzing transport parameters and characterizing the membrane, the research provides valuable insights for metal ion separation technology.
Article
Nanoscience & Nanotechnology
Xiang Lin, Zhuo Mao, Shengjie Dong, Xiaodong Jian, Rong Han, Ping Wu
Summary: The electronic structures and magnetic properties of 3d transition metal-doped monolayers of InN were studied using density functional calculations. It was found that doping Cr and Fe results in magnetic semiconductors, while Ni doping leads to a half-metallic behavior. Additionally, Cr-doped InN monolayers may exhibit room-temperature ferromagnetism and under biaxial tensile strains, semiconductor-metal transitions can be observed in these magnetically doped monolayers.
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
(2021)
Article
Materials Science, Ceramics
He Junlong, Song Erhong, Wang Lianjun, Jiang Wan
Summary: Graphene and Cr-doped graphene exhibit different adsorption behaviors towards NO gas, with the latter showing significantly enhanced adsorption capability, making it a promising candidate for sensing NO gas.
JOURNAL OF INORGANIC MATERIALS
(2021)
Article
Materials Science, Paper & Wood
Y. H. Yoon, S. Y. Lee, J. G. Gwon, E. Vijayakumar, H. G. Lee, W. H. Lee
Summary: The effects of CNC templating and TM doping on the preparation and photocatalytic activity of TiO2 films were investigated. CNC-templated TiO2 films exhibit superior physical and crystalline properties compared to pure TiO2 films, while TM doping enhances the photocatalytic efficiency, especially with high valence cations. The study demonstrates the potential of using CNC templates and TM doping to improve TiO2 films for various applications.
Article
Biochemistry & Molecular Biology
Kuo-Shun Liao, Meng-Jung Tsai, Li-Jen Hsu, Chih-Min Wang, Jing-Yun Wu
Summary: The luminescent coordination polymer synthesized through hydro(solvo)thermal reactions showed excellent fluorescent properties, serving as a turn-off fluorescence sensor for selective and sensitive Cr(VI) detection in water. Additionally, it could sensitively detect Cr3+, Fe3+, and Al3+ ions in aqueous medium.
Article
Chemistry, Analytical
Upasana Choudhari, Niranjan Ramgir, Dattatray Late, Shweta Jagtap, A. K. Debnath, K. P. Muthe
Summary: This research provides valuable insights into the effects of doping and rGO functionalization on electrochemical sensing. The synthesis of Co/Fe-doped SnO2 nanocomposites using hydrothermal method resulted in a cube-like structure formed by spherical nanoparticles. The doping of Co/Fe and their morphologies significantly affected the sensing performance for heavy metal ions. The functionalization of rGO on the metal-doped nanocomposites improved the sensing performance compared to pure and metal-doped SnO2 nanocomposites.
MICROCHEMICAL JOURNAL
(2023)
Article
Engineering, Electrical & Electronic
Sergey B. Mirov, Vladimir V. Fedorov, Dmitry Martyshkin, Igor S. Moskalev, Mike Mirov, Sergey Vasilyev
IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS
(2015)
Article
Optics
NoSoung Myoung, Jung Su Park, Alan Martinez, Jeremy Peppers, Sang-Youp Yim, Won Seok Han, Vladimir V. Fedorov, Sergey B. Mirov
Article
Nanoscience & Nanotechnology
Yiyu Li, Yin Liu, Vladimir V. Fedorov, Sergey B. Mirov, Yiquan Wu
SCRIPTA MATERIALIA
(2016)
Article
Materials Science, Multidisciplinary
Ozarfar Gafarov, Alan Martinez, Vladimir Fedorov, Sergey Mirov
OPTICAL MATERIALS EXPRESS
(2017)
Article
Engineering, Electrical & Electronic
Sergey B. Mirov, Igor S. Moskalev, Sergey Vasilyev, Viktor Smolski, Vladimir V. Fedorov, Dmitry Martyshkin, Jeremy Peppers, Mike Mirov, Alex Dergachev, Valentin Gapontsev
IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS
(2018)
Article
Optics
A. Sincore, J. Cook, F. Tan, A. El Halawany, A. Riggins, S. McDaniel, G. Cook, D. V. Martyshkin, V. V. Fedorov, S. B. Mirov, L. Shah, A. F. Abouraddy, M. C. Richardson, K. L. Schepler
Proceedings Paper
Engineering, Electrical & Electronic
Ozarfar Gafarov, Dmitriy Martyshkin, Vladimir Fedorov, Sergey Mirov
SOLID STATE LASERS XXVII: TECHNOLOGY AND DEVICES
(2018)
Proceedings Paper
Optics
Sergey Vasilyev, Igor Moskalev, Mike Mirov, Viktor Smolski, Dmitry Martyshkin, Vladimir Fedorov, Sergey Mirov, Valentin Gapontsev
ULTRAFAST BANDGAP PHOTONICS II
(2017)
Proceedings Paper
Engineering, Electrical & Electronic
Rick Watkins, Ozarfar Gafarov, Chandler Bernard, Vladimir Fedorov, Sergey Mirov
2017 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO)
(2017)
Proceedings Paper
Engineering, Electrical & Electronic
Ozarfar Gafarov, Rick Watkins, Chandler Bernard, Vladimir Fedorov, Sergey Mirov
SOLID STATE LASERS XXVI: TECHNOLOGY AND DEVICES
(2017)
Proceedings Paper
Engineering, Electrical & Electronic
Ozarfar Gafarov, Alan Martinez, Vladimir Fedorov, Sergey Mirov
SOLID STATE LASERS XXVI: TECHNOLOGY AND DEVICES
(2017)
Proceedings Paper
Engineering, Electrical & Electronic
Dmitry Martyshkin, Taylor Kesterson, Vladimir Fedorov, Sergey Mirov
SOLID STATE LASERS XXVI: TECHNOLOGY AND DEVICES
(2017)
Proceedings Paper
Materials Science, Multidisciplinary
S. B. Mirov, V. V. Fedorov, D. V. Martyshkin, I. S. Moskalev, M. S. Mirov, O. Gafarov, A. Martinez, J. Peppers, V. Smolski, S. Vasilyev, V. Gapontsev
OPTICAL COMPONENTS AND MATERIALS XIII
(2016)
Proceedings Paper
Engineering, Electrical & Electronic
S. Mirov, V. Fedorov, D. Martyshkin, I. Moskalev, M. Mirov, S. Vasilyev
MICRO- AND NANOTECHNOLOGY SENSORS, SYSTEMS, AND APPLICATIONS VII
(2015)
Article
Materials Science, Multidisciplinary
Zachary R. Lindsey, Matthew W. Rhoades, Vladimir V. Fedorov, Sergey B. Mirov, Renato P. Camata
Article
Optics
Hang Dong, Zhixin Sun, Jingyi Li, Yahui Li, Wei Zhang, Guangyong Jin
Summary: This paper calculates thermal stresses and adsorption forces to determine laser cleaning conditions and establishes relevant models. Experimental results show that the removal effect is better with increasing nanosecond pulse delay, with the best effect achieved at 600 milliseconds pulse delay. Based on the findings, the mechanisms of oxide film removal involve thermal stress against adsorption and plasma shock wave breaking the oxide layer.
OPTICS COMMUNICATIONS
(2024)
Article
Optics
Junjie Zhang, Wenjun Li, Bingtao Li, Zheng-Da Hu, Jicheng Wang, Feng Zhang, Lei Wang
Summary: A multilayer thin film device structure based on Tamm plasmons is proposed for high-performance near-infrared hot electron photodetectors. By optimizing the device structure parameters, high responsivity detection can be achieved.
OPTICS COMMUNICATIONS
(2024)
Article
Optics
Hong Huang, Zhiguang Han
Summary: This paper proposes a new ghost imaging reconstruction method using ordered orthogonal Hadamard derived speckle as the illumination speckle series, and introduces the alternating direction multiplier method to improve the imaging performance. The evaluation results show that the method can achieve high-quality reconstructed images under low sampling conditions.
OPTICS COMMUNICATIONS
(2024)
Article
Optics
Moritsugu Sakamoto, Yuki Ono, Kohei Noda, Tomoyuki Sasaki, Nobuhiro Kawatsuki, Masayuki Tanaka, Hiroshi Ono
Summary: The effect of wavelength and polarization of illuminating light in polarization imaging for birefringent objects placed behind a scattering structure was experimentally investigated. The result shows that the spatial distribution of the birefringent object was more clearly visualized in the longer wavelength combined with circularly polarized light illumination. This finding indicates the potential of using polarization imaging with circularly polarized light illumination in the near-infrared range for visualizing birefringent objects with scattering.
OPTICS COMMUNICATIONS
(2024)
Article
Optics
Peihui Du, Hongfang Wang, Pengwei Li, Rukeyemuhan Abadula, Hmbat Batelbek, Min Gao
Summary: In this study, we theoretically demonstrate the strong coupling between Tamm plasmons and exciton polaritons in metal Al/DBR-molecular structures, extending the operating wavelength to the deep ultraviolet region. The coupling strength can be effectively manipulated by adjusting the structure parameters, offering potential benefits for the development of new-style optical filters.
OPTICS COMMUNICATIONS
(2024)
Article
Optics
Priyanka Chaudhary, Akhilesh Kumar Mishra
Summary: We design and numerically investigate the switching dynamics between two outer waveguides in a parity-time (PT)-symmetric adiabatically coupled three waveguides nonlinear directional coupler (NLDC) system. The study shows that the device can provide switching even when the middle waveguide is nonlinear and the outer waveguides are linear. Furthermore, the effect of loss to gain ratio on critical switching power and the impact of launched light power and gain (loss) value on transmitted power are also studied.
OPTICS COMMUNICATIONS
(2024)
Article
Optics
Wei Feng, Yongcong Yi, Shuyang Li, Zhi Xiong, Boya Xie, Zhen Zeng
Summary: Traditional imaging techniques are ineffective in achieving clear underwater imaging due to the presence of scattering media. Single-pixel imaging (SPI) system based on Unet++ offers a solution for reconstructing high-quality images in highly turbid water environments.
OPTICS COMMUNICATIONS
(2024)
Article
Optics
Xiaorui Qu, Jufeng Zhao, Haijun Tian, Junjie Zhu, Guangmang Cui
Summary: This paper studies the structural similarity between RGB and spectral images and proposes a non-iterative Images Structure Similarity (ISS) method for fast reconstruction of spectral images. Additionally, the input of the Deep Image Prior (DIP) method is optimized for the first time by using the initial spectral data reconstructed by ISS, leading to an improved starting value for the iteration. The experimental results show that the proposed method can enhance the reconstruction quality in both spectral and spatial resolutions, while significantly reducing the reconstruction time compared to other DIP-based methods.
OPTICS COMMUNICATIONS
(2024)
Article
Optics
Donghe Sheng, Zhe Han, Zanyang Qiao, Tianpei Dong, Chenxi Wang, Huiping Tian
Summary: In this study, a distributed multi-parameter sensor based on an etched few-mode multi-core fiber is proposed, allowing simultaneous sensing of temperature, strain, and sample refractive index. By combining space division multiplexing and stimulated Brillouin scattering, the sensor achieves high sensitivity in detecting these parameters.
OPTICS COMMUNICATIONS
(2024)
Article
Optics
Dehao Chen, Zhenwu Mo, Zehong Liang, Junjie Jiang, Huilin Tang, Yidan Sun, Ziyu Wang, Quanfeng Wei, Yanru Chen, Dongmei Deng
Summary: In this study, a novel family of elliptical Airyprime vortex beams (EAPVBs) is introduced, which inherits the excellent self-focusing properties of the circular Airyprime vortex beam (CAPVB). The asymmetric focusing of EAPVB leads to some novel properties, such as the splitting of high-order optical vortex and the formation of two foci. By taking advantage of these properties, EAPVB is constructed as a tunable optical bottle for particle capture.
OPTICS COMMUNICATIONS
(2024)
Article
Optics
Xiao Ma, Qiongchan Shao, Jian-Jun He
Summary: In this study, an SHS chip based on Su8 waveguide was designed and fabricated. By physically adjusting the metal electrodes and compensating for transmissivity fluctuations, the generation of side ripples was successfully suppressed.
OPTICS COMMUNICATIONS
(2024)
Article
Optics
Hongbin Zhang, Jiansen Du, Zongtao Chi, Hailin Cong, Bin Wang
Summary: In this paper, a novel type of dual-wavelength confocal metalens is proposed to solve the spatial crosstalk between two wavelengths. The metalens can greatly reduce the spatial crosstalk and achieve high precision and efficiency in confocal imaging. It can also focus light in specific wavelength ranges, making it suitable for imaging, microscopy, and optical fiber communication.
OPTICS COMMUNICATIONS
(2024)
Article
Optics
Rui Qiu, Guanmao Zhang, Shaokai Du, Jie Liu, Hongyu Jib, Kaiyun Bi, Bochuan Xing, Guangchao Diao
Summary: Recent research has developed an achromatic metalens that shows potential for replacing traditional lenses. This study focuses on a continuously variable focus height broadband achromatic metalens for long-wavelength infrared applications. By optimizing materials and parameters, chromatic aberration is effectively corrected, making it suitable for high-resolution LWIR imaging and spectroscopy systems.
OPTICS COMMUNICATIONS
(2024)
Article
Optics
Marcos Troncoso-Costas, Gaurav Jain, Yiming Li, Mohammed Patel, Lakshmi Narayanan Venkatasubramani, Sean O'Duill, Frank Smyth, Andrew Ellis, Francisco Diaz-Otero, Colm Browning, Liam Barry
Summary: In this work, a fast-switching tuneable laser capable of wide wavelength coverage, low noise and linewidth levels suitable for high-order modulation formats is demonstrated. The laser is characterized to cover a wavelength range of 35 nm in the C-band with nanosecond switching time. It is used to successfully demonstrate 480 Gbit/s 16QAM transmission over 25 km of single-mode fiber for a wavelength range of 19 nm.
OPTICS COMMUNICATIONS
(2024)
Article
Optics
Takeshi Moriyasu, Masahiko Tani, Hideaki Kitahara, Takashi Furuya, Jessica Afalla, Toshiro Kohmoto, Daishiro Koide, Hiroki Sato, Mitsutaka Kumakura
Summary: Optical pump-terahertz probe spectroscopy was used to study the photocarrier dynamics and optical characteristics of semiconductor Si. The results showed that the thickness of Si influenced the transmitted terahertz field amplitude and peak delay time, indicating differences in photocarrier dynamics between different Si materials.
OPTICS COMMUNICATIONS
(2024)