نتایج جستجو برای: terbium doped gadolinium oxysulfide

تعداد نتایج: 59892  

2016
F. J. Douglas D. A. MacLaren N. Maclean I. Andreu F. J. Kettles F. Tuna C. C. Berry M. Castro

WestCHEM, School of Chemistry, Univers E-mail: [email protected]; Tel: + SUPA, School of Physics and Astronomy, T 8QQ, UK. E-mail: [email protected]; T Instituto de Ciencia de Materiales de Aragón Campus Ŕıo Ebro, Maŕıa de Luna, 3, 50018 National EPR Centre, University of Manche UK Centre for Cell Engineering, CMVLS, Unive † Electronic supplementary information additional microscopy...

Journal: :Frontiers in Materials 2021

Three-dimensional (3D) topological insulator (TI) has emerged as a unique state of quantum matter and generated enormous interests in condensed physics. The surfaces 3D TI consist massless Dirac cone, which is characterized by the Z 2 invariant. Introduction magnetism on surface essential to realize anomalous Hall effect other novel magneto-electric phenomena. Here, using combination first-prin...

Journal: :Resources Conservation and Recycling 2021

The consensus is growing for the UN sustainable development goals regarding responsible consumption, production, and climate actions. Because of growth towards a digital society (“industry 4.0 revolution”), it needed to have our resources economies be circular. success also depends on appropriate management critical raw materials, such as Rare Earth Elements (REEs). Here, cost-effective recycli...

Journal: :Dalton transactions 2009
Aline Nonat Marion Giraud Christelle Gateau Pascal H Fries Lothar Helm Marinella Mazzanti

The two new tripodal picolinate H(3)ebpatcn (1-carboxyethyl-4,7-bis((6-carboxypyridin-2-yl)methyl)-1,4,7-triazacyclononane) and H(4)pbpatcn (1-methylphosphonic-acid-4,7-bis((6-carboxypyridin-2-yl)methyl)-1,4,7-triazacyclononane) ligands based on the 1,4,7-triazacyclononane anchor were prepared and their lanthanide complexes were characterized by NMR, fluorescence and potentiometric studies. The...

2013
P. Bhaskara Rao

This paper briefly reports the mechanism of non-radiative energy transfer process from Tb → Eu in Sodium fluoroborate glass by measuring the emission intensity of Tb with varying Eu concentration at room temperature. From the Fluorescence spectra, a decrease of terbium fluorescence intensity has been observed as a result of energy transfer from terbium ions to europium ions. Quantum efficiencie...

Journal: :Nanoscale 2013
Shengjian Zhang Zhaoxia Jiang XiaoHang Liu Liangping Zhou Weijun Peng

Mesoporous silica (m-SiO2) coated gadolinium (Gd) ions-doped upconversion nanoparticles (UCNPs) are regarded as one of most attractive nano-platforms which hold great potential in future cancer theranostics. The current general synthetic strategy for such promising structures includes the extraction of surfactant molecules in the final step. Here, in this article, we focus our interest on probi...

2017
Keqin Chen Hui Gao Bowei Bai Wenjing Liu Xiaolong Li

A luminescent terbium ions/reduced graphene oxide complex (Tb-RGO) was successfully and rapidly synthesized by the microwave hydrothermal reaction via the interactions between terbium ions and the active oxygen functional groups of graphene oxide. The as-prepared material was porous stacked by multilayer graphene in all directions. Thus, the resulting product owed the high specific surface area...

Journal: :Small 2017
Roghayeh Imani Ralf Dillert Detlef W Bahnemann Meysam Pazoki Tomaž Apih Veno Kononenko Neža Repar Veronika Kralj-Iglič Gerrit Boschloo Damjana Drobne Tomas Edvinsson Aleš Iglič

Materials with controllable multifunctional abilities for optical imaging (OI) and magnetic resonant imaging (MRI) that also can be used in photodynamic therapy are very interesting for future applications. Mesoporous TiO2 sub-micrometer particles are doped with gadolinium to improve photoluminescence functionality and spin relaxation for MRI, with the added benefit of enhanced generation of re...

Journal: :Physical review. B, Condensed matter 1996
Spichkin Bohr Tishin

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