Our site saves small pieces of text information (cookies) on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing our site without changing the browser settings you grant us permission to store that information on your device.
R. NISTORA1,* , N. M. AVRAM1,2
Na2SiF6 assumes a crystalline morphology that resembles the morphology of ice. To explain the experimental data concerning the luminescent properties of Na2SiF6 phosphor, doped with Mn4+ ion, is necessary to investigate the electronic structure of this ion doped in host lattice. These phosphors have the space group = 23 D - P321 with the lattice constant of a = 8.859Å, c=5.038Å, and the Mn4+ ion substitute for Si ion in octahedral site symmetry. The crystal field parameters and energy for lowest energy levels of Mn4+ doped in Na2SiF6 crystal have been calculated in the frame of Exchange Charge Model. The obtained results are in satisfactory agreement with experimental data.
Energy levels scheme, Crystal field theory, 3d-ions, Nanophosphor.
R. NISTORA, N. M. AVRAM, Energy levels scheme for Na2SiF6:Mn4+ nanophosphor, Optoelectronics and Advanced Materials - Rapid Communications, 4, 11, November 2010, pp.1693-1696 (2010).
Submitted at: Nov. 3, 2010
Accepted at: Nov. 10, 2010
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
Active accounts were imported to the new platform and assigned a random password by default. In order to access your account you need to access the login page and go through the Lost Password dialog (involves the system sending you an email with instructions) in order to reset your password. This step is necessary as passwords are kept in hashed form and the new platform uses modern hashing algorithms incompatible with the previous ones.