Cs2naycl6
WebHighly efficient blue-emitting three-dimensional (3D) lead–free halide perovskites with excellent stability have attracted worldwide attention. Herein, a doping route was adopted to incorporate Sb3+ ions into the … WebAug 5, 1998 · Laser selective excitation, excited state absorption, two-photon absorption, and fluorescence line narrowing techniques have been used to investigate the electronic energy level structure of the Cm...
Cs2naycl6
Did you know?
WebMar 1, 2024 · Herein, we report a series of tunable and highly efficient Ga 1.594-2x Sc 0.4 Mg x Ge x O 3:0.006Cr 3+ phosphors via regulating the crystal field environment in (Ga,Sc) 2 O 3:Cr 3+ system. This material exhibits a gradual red-shift of the emission spectra from 784 to 814 nm, and a spectral broadening with FWHM increased from 138 nm to 169 nm … WebAug 31, 1998 · The broadband luminescence of isolated Cr + 3 ions in the title lattices is investigated. The 4 T 2g lowest excited state is found to undergo Jahn–Teller distortion in the e g coordinate, in addition to expanding along the a 1g.Quantitative determination of these displacements is made by analysis of extremely rich fine structure, the Ham …
WebApr 1, 1985 · Crystal growth and the luminescence properties of Cs 2 NaMCl 6-Sb 3+ (M = Sc, Y, La) are described. The emission consists of one band which shifts to lower energies for an increasing ionic radius of M 3+ (i.e. from Sc via Y to La). The excitation bands of the luminescence of all three compounds are at the same energy and show a structure … WebMar 1, 2007 · The luminescence spectrum of Cs2NaScCl6:Pr (0.1 at.%) has been recorded at temperatures down to 10 K and assigned between 20,800 and 9900 cm. Twenty‐three …
WebThe schematic structure of pristine and Sb 3+ /Tm 3+ co-doped Cs 2 NaYCl 6 SCs (space group: Fm-3 m) was shown in Fig. 1 a. The [YCl 6] 3-and [NaCl 6] 5-octahedrons are … WebDec 22, 2005 · Wave-function-based ab initio calculations on the lowest states of the 4f(n),4f(n-1)5d(t2g)1, and 4f(n-1)5d(e(g))1 configurations of (LnCl6)3- clusters (Ln=Ce to Tb) embedded in the cubic elpasolite Cs2NaYCl6 have been performed, in an attempt to contribute to a comprehensive understanding of the 4f …
WebSep 15, 2024 · Halide double perovskites have aroused substantial research interest because of their unique optical properties and intriguing flexibility for various …
WebIn this paper, the photoluminescent properties of a lead-free double perovskite Cs 2 NaInCl 6 doped with Sb 3+ are explored.It is a wide bandgap compound (E g ≈ 5.1 eV), and … coffee fellows freiham hotelWebAug 31, 1998 · The electronic ground state of isolated Cr 3 + introduced into the title compounds has been investigated with electron spin resonance and electron‐nuclear … coffee federal wayWebOptical spectra of the elpasolite hexachloride compounds Cs2NaLnCl6, where Ln represents one of the lanthanide ions, are analyzed with a crystal‐field Hamiltonian of Oh symmetry. Crystal‐field parameters, Bnm, are found that minimize the rms deviation between calculated and experimental energy levels for Ln=Ce, Pr, Nd, Eu, and Tb. A set of ’’smoothed’’ Bnm … coffee fellows berlin hbfWebThe luminescence properties of Bi 3+-activated Cs 2 NaYCl 6 crystals are presented. The Bi 3+ ion (6s 2) occupies an Y 3+ site which has cubic symmetry. Excitation in the A … cambridge county council highways mapWebAbsorption and magnetic circular dichroism spectroscopy have been used to study the cubic crystal Cs2NaTmCl6. Transitions between the Oh crystal field levels in 3 H 6 and 3 H 4, 3 F 3, 3 F 2, 1 G 4 and 1 D 2 have been observed and assigned. Rich vibrational structure was observed in all transitions and the vibrations were assigned within the factor group … cambridge county court east roadWebApr 10, 1987 · Energy level data recently reported for the Cs2NaPrCl6, Cs2NaYCl6:Pr3+, and Cs2NaYBr6:Pr3+ systems are analysed in terms of a model hamiltonian that includes 14 ‘free-ion’ energy parameters ... cambridge court condominiums ballwin moWebApr 1, 1985 · Crystal growth and the luminescence properties of Cs 2 NaMCl 6-Sb 3+ (M = Sc, Y, La) are described. The emission consists of one band which shifts to lower … cambridge county council services