CRYSTAL-FIELD

作品数:23被引量:14H指数:2
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相关领域:理学更多>>
相关作者:马崇庚更多>>
相关机构:重庆邮电大学更多>>
相关期刊:《Science Bulletin》《Journal of Rare Earths》《Science China Mathematics》《Communications in Theoretical Physics》更多>>
相关基金:国家自然科学基金俄罗斯基础研究基金国家重点基础研究发展计划更多>>
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Suppression of intervalley scattering and enhanced phonon anharmonic interactions in 2D Bi_(2)TeSe_(2):Crystal-field symmetry and band convergence
《Journal of Materiomics》2024年第2期386-395,共10页Lei Peng Ao Wu Yujie Xia Haotian Zhang Yuting Yang Hezhu Shao Ying Chen Juan Zhang Le Shu Heyuan Zhu Yuxiang Zheng Hao Zhang 
supported by the National Natural Science Foundation of China(62275053,61775042,11674062,11374063);Shanghai Municipal Natural Science Foundation under Grant Nos.19ZR1402900 and the Fudan University-CIOMP Joint Fund(FC2017-003).
The electron-phonon(el-ph)and phonon-phonon interactions play a key role in determining electronic and thermal transport properties,respectively,in promising two-dimensional(2D)semiconductor de-vices.In this study,we ...
关键词:El-ph interactions Crystal field splitting Spin-orbit coupling Intervalley scattering Renormalized phonon scattering 
Crystal-field levels of Nd3+ in a new langasite compound Nd3CrGe3Be2O14
《Journal of Rare Earths》2019年第11期1250-1254,共5页Sergei A.Klimin Boris V.Mill Marina N.Popova 
Project supported by the Russian Foundation for Basic Research(17-02-00603)
We report on the crystal-field(CF)levels of Nd^3+in Nd3CrGe3Be2O14,a representative of recently synthesized Be-containing langasites.They are the first in the family to contain two magnetic subsystems,1 D chromium and...
关键词:LANGASITE Two MAGNETIC SUBSYSTEMS High-resolution spectroscopy CRYSTAL-FIELD LEVELS MAGNETIC correlations Rare earths 
Influences of Crystal-Field and Interlayer Coupling Interactions on Dynamic Phase Diagrams of a Mixed-Spin(3/2,2)Bilayer System
《Communications in Theoretical Physics》2018年第6期741-748,共8页Mustafa Keskin Yusuf Kocak 
Supported by Erciyes University Research Fund under Grant No.FBA-2016-6324
Influences of crystal-fields (DA and DB ) and interlayer coupling interactions (J3) on dynamic magnetic critical behaviors of a mixed-spin (3//2, 2) bilayer system under an oscillating magnetic field are investi...
关键词:mixed-spin (3/2 2) bilayer system dynamic phase diagrams  Glauber-type stochastic dynamics mean-field theory 
Crystal-field analyses for trivalent lanthanide ions in LiYF_4
《Journal of Rare Earths》2016年第10期1048-1052,共5页程军 闻军 陈永虎 尹民 段昌奎 
Project supported by the National Key Basic Research Program of China(2013CB921800);the National Natural Science Foundation of China(11274299,11374291,11574298,11204292,11404321);the Anhui Provincial Natural Science Foundation(1308085QE75)
Based on the completely parametric crystal-field model, the energy level parameters, including free-ion parameters and crystal-field parameters, obtained by fitting the experimental energy level data sets of Ln^(3+...
关键词:crystal-field interactions LiYF4 lanthanide ions variation trends g factors rare earths 
Structural analysis and crystal-field calculations of Nd^(3+) in Gd_x Lu_(1-x) TaO_4(x = 0.85) polycrytalline
《Chinese Physics B》2012年第10期335-344,共10页高进云 张庆礼 杨华军 周鹏宇 孙敦陆 殷绍唐 何晔 
Project supported by the National Natural Science Foundation of China (Grant Nos. 90922003,51172236,and 50872135);the Knowledge Innovation Program of the Chinese Academy of Sciences (Grant No. YYYJ-1002)
The crystal structural parameters of Nd ^3+-doped rare earth orthotantalate Gd x Lu 1 x TaO 4(x = 0.85) are determined by applying the Rietveld refinement to its X-ray diffraction,and its emission and excitation sp...
关键词:rare earth orthotantalate crystal structure optical properties DV-Xα method crystalfield calculations 
Capability of the Free-Ion Eigenstates for Crystal-Field Splitting
《Journal of Modern Physics》2011年第11期1373-1389,共17页Jacek Mulak Maciej Mulak 
Any electronic eigenstate of the paramagnetic ion open-shell is characterized by the three independent multipole asphericities for and 6 related to the second moments of the relevant crystal-field splittings by , wher...
关键词:CRYSTAL-FIELD Theory CRYSTAL-FIELD SPLITTING RARE-EARTH Free-Ion EIGENSTATES RARE-EARTH IONS 
Simulation of f-d transition using the extended crystal-field model:parameter dependent study for Er^(3+) in various hosts被引量:1
《Journal of Rare Earths》2010年第S1期258-261,共4页段昌奎 张友 马崇庚 谢国亚 胡流森 
Project supported by the National Natural Science Foundation of China (10874173,10704090,11074315,11011120083);the Foundation of the Education Committee of Chongqing (KJ090523);the Knowledge Innovation Project of the Chinese Academy of Sciences (KJCX2-YW-M1)
The 4f-5d transitions of Er3+ ions doped in crystals were widely studi ed due to their potential applications in quantum cutting phosphors and VUV lase rs,etc.The theory to do the calculations of 4f-5d transitions and...
关键词:f-d transitions ER3+ crystal-field interactions LiYF4 CAF2 Cs2NaY F6 rare earths 
Anisotropy of rare-earth magnets被引量:2
《Journal of Rare Earths》2009年第4期675-679,共5页R.Skomski D.J.Sellmyer 
supported by DOE (DE-FG02-04-ER46152, DJS);NSF-MRSEC (DMR 021-3808, RS)
Rare-earth intermetallics such as Nd2Fe14B and Sm-Co are widely used as high-performance permanent magnets, because they combine high magnetocrystalline anisotropy with reasonable magnetization and Curie temperature. ...
关键词:magnetic anisotropy spin-orbit coupling crystal-field interaction interstitial modification permanent magnets rare earths 
Extracting structural information from low symmetry crystal field parameters-case study:Er^(3+) and Nd^(3+) ions in YAlO_3被引量:1
《Journal of Rare Earths》2009年第4期619-623,共5页P.Gnutek C.Rudowicz 
supported by the research grant from the Polish Ministry of Science and Tertiary Education in the years 2006-2009
The experimental monoclinic CF parameter (CFP) sets obtained by Duan et al. (Phys. Rev. B 75 (2007) 195130) for Er3+ and Nd3+ ions in YAIO3 were reanalyzed. These CFPs fitted using R-approach, i.e. with the mo...
关键词:Er3+ Nd3+ YAlO3 CRYSTAL-FIELD energy levels low symmetry rare earths 
Optical high-resolution spectroscopic study of Tm^(3+) crystal-field levels in LiLuF_4被引量:2
《Journal of Rare Earths》2009年第4期624-626,共3页D.S.Pytalev S.A.Klimin M.N.Popova 
supported by the Russian Academy of Sciences under the grant of the Program "Quantum physics of condensed matter";the grant 09-02-01067-a of the Russian Foundation for Basic Research
We report on the fast high-resohition study of LiLuF4:Tm3+. The accurate energy level scheme of Tm3+ in the LiLuF4 matrix was obtained for the 3H6.5.4, 3F4.3.2, and ^1G4 multiplets. It was shown that electric-dipol...
关键词:Fourier-transform spectroscopy Tm^3+ crystal-field levels LiLuF4 rare earths 
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