CRYSTAL_FIELD

作品数：44被引量：32H指数：3
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A strategy for preparing broadband polymer based optical waveguide amplifiers:doping low crystal field symmetric nanocrystals in polymer matrix as gain media
《Science China Materials》2024年第12期3908-3916,共9页Hao Cui Zixuan Jiang Yu Yang Siliang Tao Shuang Wu Jing Yin Fei Wang Guanshi Qin Fanchao Meng Dan Zhao Weiping Qin 
supported by the National Key Research and Development Program of China(2021YFB2800502);the National Natural Science Foundation of China(U22A2085 and 12174150)。
Optical waveguide amplifiers are essential devices in integrated optical systems,with their gain bandwidths directly influencing the operating wavelengths of optical circuits.Previous Er^(3+)-doped polymer optical wav...
关键词：polymer optical waveguide amplifiers crystal field effect crystal field symmetry energy level splitting 
Crystal growth,structure and crystal field splitting and fitting of Yb:GdScO_(3)
《Chinese Physics B》2024年第11期411-416,共6页Jia-Hong Li Qing-Li Zhang Gui-Hua Sun Jin-Yun Gao Ren-Qin Dou Xiao-Fei Wang Shou-Jun Ding 
supported by the National Key Research and Development Program of China(Grant Nos.2022YFB3605700 and 2023YFB3507403);the National Natural Science Foundation of China(Grant No.52272011);the Youth Innovation Promotion Association of CAS(Grant No.2023463);Plan for Anhui Major Provincial Science&Technology Project(Grant No.202203a05020002);Open Project of Advanced Laser Technology Laboratory of Anhui Province(Grant No.AHL20220ZR04).
A good quality(5 at.%Yb:GdScO_(3))single crystal of F30 mm37 mm was grown successfully by the Czochralski method.Its structure is studied by the x-ray diffraction(XRD),and its atomic coordinates are obtained by Rietve...
关键词：rare earth scandate crystal field PHOTOLUMINESCENCE laser crystal 
High performance in Zintl thermoelectrics via reduction in crystal field splitting energy
《Science China Materials》2024年第10期3424-3425,共2页Anustoop Das Kanishka Biswas 
Sustainable thermoelectric materials open an avenue of emission-free as well as fast-responding recycling of energy in terms of heat to electricity.The efficiency(η)of such conversion is primarily guided by the dimen...
关键词：SPLITTING ENERGY CRYSTAL 
Achieving broadband near-infrared luminescence in Cr^(3+)-Activated Y_(2)Mg_(2)Al_(2)Si_(2)O_(12)phosphors via multi-site occupancy被引量：1
《Advanced Powder Materials》2024年第3期68-76,共9页Gui-Hua Li Han-Qi Wei Qi-Hua Yang Zhi-Wei Luo Ge-Mei Cai Li Ma Xiao-Jun Wang 
supported by the National Natural Science Foundation of China(No.51772330);the Fundamental Research Funds for the Central Universities of Central South University(No.506021713);the National MCF Energy R&D Program of China(No.2018YFE0306100).
Cr^(3+)-activated near-infrared(NIR)phosphors are key for NIR phosphor-converted light emitting diodes(NIR pc-LED).While,the site occupancy of Cr^(3+)is one of the debates that have plagued researchers.Herein,Y2Mg2Al2...
关键词：Near-infrared phosphor pc-LEDs Cr^(3+) Broadband emission Site occupancy Crystal field 
Flow Dynamics during the Hydrocarbon Exploitation for Prevention and Management of Water Venues in Oil Field: A Study Case of Crystal Field in Badila/Chad
《International Journal of Geosciences》2024年第5期433-448,共16页Issakha Tidjani Djimet Huguette Christiane Emvoutou Nicodème Djiedeu Jean-Pierre Nguenang 
The southern part of the Lake Chad basin is under the gas and oil petroleum industry due to its hydrocarbon potential for about twenty years. This project stands out as the main challenges of the hydrocarbon productio...
关键词：Groundwater Venues Analytic and Dynamic Model Water Flooding Optimization of Production 
Recent progress on garnet phosphor ceramics for high power solid-state lighting被引量：4
《Journal of Materials Science & Technology》2023年第35期1-20,共20页Congcong Yang Xiyue Zhang Jian Kang Cong Wei Pengfei Sang Shenghui Lin Bingheng Sun Jintai Fan Benxue Jiang Yang Li Xinrong Chen Jian Xu Hao Chen Le Zhang 
This work was financially supported from the National Key Re-search and Development Program of China(No.2021YFB3501700);the National Natural Science Foundation of China(Nos.52202135,61975070,51902143 and 61971207);the Priority Academic Program Development of Jiangsu Higher Education Institutions(PAPD);the Key Research and Development Project of Jiangsu Province(Nos.BE2021040 and BE2019033);the Natural Science Foundation of Jiangsu Province(Nos.BK20191467 and BK20221226);the Postgrad-uate Research&Practice Innovation Program of Jiangsu Province(No.KYCX21_2568);the International S&T Cooperation Program of Jiangsu Province(Nos.BZ2019063,BZ2020045 and BZ2020030);the Natural Science Foundation of the Jiangsu Higher Education In-stitutes of China(Nos.19KJB430018 and 20KJA430003);the Special Project for Technology Innovation of Xuzhou City(Nos.KC19250,KC20201,KC20244 and KC21379);Open Project of State Key Laboratory of Advanced Materials and Electronic Components(No.FHR-JS-202011017).The authors would like to show great appreci-ation to Prof.Ole Bjarlin Jensen from the Technical University of Denmark for his long-term support and guidance on diode laser-related knowledge and technique.
As the fourth-generation light source,solid-state lighting has developed rapidly in the past 30 years due to its advantages of high efficiency and environmental protection.It is widely used in various scenes such as a...
关键词：Garnet phosphor ceramics High power excitation density Crystal field regulation Micro-scale defects Geometric structural design Luminescence evaluation standard 
Tuning the charge distribution and crystal field of iron single atoms via iron oxide integration for enhanced oxygen reduction reaction in zinc-air batteries
《Journal of Energy Chemistry》2023年第10期154-163,I0006,共11页Feifei Zhang Yinlong Zhu Yijun Zhong Jing Zou Yu Chen Lianhai Zu Zhouyou Wang Jack Jon Hinsch Yun Wang Lian Zhang Zongping Shao Huanting Wang 
supported by the Australian Research Council Australian Laureate Fellowship(No.FL200100049);the support of Natural Science Foundation for Young Scholars of Jiangsu Province(No.BK20220879);National Natural Science Foundation for Young Scholars of China(No.22209072);Monash University for a PhD scholarship as part of the university support for establishment of the ARC Research Hub for Energy-efficient Separation(H170100009)。
Metal-air batteries face a great challenge in developing efficient and durable low-cost oxygen reduction reaction(ORR)electrocatalysts.Single-atom iron catalysts embedded into nitrogen doped carbon(Fe-N-C)have emerged...
关键词：Single-atom catalysts Oxide nanoclusters Electronic interactions Oxygen reduction reaction Zn-air battery 
Design of luminescence in(Sr,Gd)Li(Al,Mg)_(3)N_(4):Eu^(2+)deep red phosphors via crystal field engineering for full-spectrum WLEDs被引量：1
《Journal of Rare Earths》2023年第8期1127-1134,I0001,共9页Qing Lin Tongyu Gao Yuanhong Liu Ronghui Liu Siwei Chen Xiaole Ma Chunlei Zhao 
supported by the National Key Research and Development Program of China(2021YFB3500402)。
Red phosphor,with longer wavelength,is highly desirable for full-spectrum WLEDs.Targeted deep red phosphors(Sr,Gd)Li(AI,Mg)_(3)N_(4):Eu^(2+)were designed from the initial model of SrLiAl_(3)N_(4):Eu^(2+)by structural ...
关键词：Full-spectrum WLEDs Structural modulation Deep red phosphor Rare earths 
From geometric to charge-distribution symmetry:deeper insights into lifting the performance of dysprosium single-ion magnets被引量：2
《Science China Chemistry》2023年第7期1989-1996,共8页Wei Deng Ying-Qian Zhou Shan-Nan Du Ze-Yu Ruan Si-Guo Wu Jun-Liang Liu Ming-Liang Tong 
supported by the National Key Research and Development Program of China(2018YFA0306001);the National Natural Science Foundation of China(22073115,22105230,22131011,21821003);the Pearl River Talent Plan of Guangdong(2017BT01C161)
Crystal-field symmetry of lanthanide ions plays a critical role in suppressing quantum tunneling of magnetization(QTM)in single-molecule magnets(SMMs),but high-performance SMM design and modulation remain challenging ...
关键词：single-molecule magnets crystal field symmetry strategy electrostatic potential analysis bis(thiosemicarbazone) 
Band convergence boosted high thermoelectric performance of Zintl compound Mg_(3)Sb_(2) achieved by biaxial strains被引量：3
《Journal of Materiomics》2022年第5期1086-1094,共9页Suiting Ning Shan Huang Ziye Zhang Ning Qi Man Jiang Zhiquan Chen Xinfeng Tang 
This work was supported by the National Natural Science Foundation of China under Grant Nos.11775163,12175166,12175079;the National Key R&D Program of China(2019YFA0210003).
Mg_(3)Sb_(2) as a Zintl compound is a promising thermoelectric material with the intrinsically low lattice thermal conductivity and excellent n-type electrical properties,but its p-type electrical transport properties...
关键词：THERMOELECTRIC FIRST-PRINCIPLES Crystal field splitting energy Band convergence 
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