Search results for "Neodymium"
showing 10 items of 84 documents
CCDC 1833435: Experimental Crystal Structure Determination
2019
Related Article: Antti Tiihonen, Manu Lahtinen|2019|CrystEngComm|21|2286|doi:10.1039/C8CE01015C
CCDC 244818: Experimental Crystal Structure Determination
2004
Related Article: F.Bonnet, M.Visseaux, D.Barbier-Baudry, A.Hafid, E.Vigier, M.M.Kubicki|2004|Inorg.Chem.|43|3682|doi:10.1021/ic035444l
CCDC 757140: Experimental Crystal Structure Determination
2011
Related Article: R.Litlabo, Hyui Sul Lee, M.Niemeyer, K.W.Tornroos, R.Anwander|2010|Dalton Trans.|39|6815|doi:10.1039/b925837j
Evolution of neodymium isotopic signature of seawater during the Late Cretaceous: implications for intermediate and deep circulation.
2016
20 pages; International audience; Neodymium isotopic compositions (εNd) have been largely used for the last fifty years as a tracer of past ocean circulation, and more intensively during the last decade to investigate ocean circulation during the Cretaceous period. Despite a growing set of data, circulation patterns still remain unclear during this period. In particular, the identification of the deep-water masses and their spatial extension within the different oceanic basins are poorly constrained. In this study we present new deep-water εNd data inferred from the Nd isotope composition of fish remains and Fe–Mn oxyhydroxide coatings on foraminifera tests, along with new εNd data of resid…
Modelling of Laser Operation in RPE Nd3+:LiNbO3 Channel Waveguides
2006
In this work, laser action in RPE Nd3+:LiNbO3 is modelled by using the overlapping integrals method. Different pumping schemes, TE or TM, have been considered in order to reproduce the experimental measurements. Calculated results indicate that the slope efficiency remains basically independent on the pumping scheme while the threshold pump power increases for TE pumping.
CCDC 1486040: Experimental Crystal Structure Determination
2016
Related Article: Wenjuan Zhang, Lin Qian, Lixia He, Yongqiang Qian, Jiye Wang, Zhonghua Wang, Qingju Lin, Xiang Hao, Zygmunt Flisak, Wen-Hua Sun|2016|Inorg.Chim.Acta|453|589|doi:10.1016/j.ica.2016.09.030
CCDC 958837: Experimental Crystal Structure Determination
2014
Related Article: Pau Díaz-Gallifa, Oscar Fabelo, Laura Cañadillas-Delgado, Jorge Pasán, Ana Labrador, Francesc Lloret, Miguel Julve, and Catalina Ruiz-Pérez|2013|Cryst.Growth Des.|13|4735|doi:10.1021/cg4008679
Photon yields and decay times of cross luminescence in ionic crystals
1992
The authors report on the scintillation properties of the ternary inorganic crystals KMgF/sub 3/, KYF/sub 4/:Rb, K/sub 2/YF/sub 5/, KLuF/sub 4/, RbMgF/sub 3/, KZnF/sub 3/, BaTm/sub 2/F/sub 8/, LiYF/sub 4/:Nd, and BaF/sub 2/:Rb. The scintillation light output of these crystals was estimated from the X-ray-induced emission spectra. Optical absorption spectra and decay time spectra were also measured and are presented. The first four crystals produced cross-luminescence (CL) with a decay time of about 1.5 ns. CL was not observed for the other crystals. >
WATER MASSES EXCHANGE THROUGH THE STRAIT OF SICILY DURING THE LAST DEGLACIAL PERIOD AND THE HOLOCENE
2022
The main goal of this thesis is to explore the inter-basin connection between the eastern and the western Mediterranean (E- and W-Med, respectively) during the last deglacial and Holocene periods (last 15 kyr). The thesis is based on the study of a sediment core recovered at the west flank of Sicily channel (W-Sicily), strategically located under the current path of the surface Atlantic waters and directly below the present-day hydrographic boundary layer between the Eastern Mediterranean Sourced Water (EMSW) and the Western Mediterranean Deep Water (WMDW). This key location allow to explore past changes in both surface and deep water exchange between the E and the W-Med. In this thesis, a …
Luminescence properties of neodymium-doped yttrium aluminium garnet obtained by the co-precipitation method combined with the mechanical process
2005
Nanopowders of yttrium aluminium garnet Y3Al5O12 (YAG) doped with neodymium ions were obtained by the co-precipitation method from the reaction of aluminium and yttrium nitrate and neodymium oxide with ammonia. After washing and drying the hydroxide precursors were calcined at 500, 700, 800 and 900 °C for 1 hour and at 1000 °C for 3 hours. This product was treated by ball milling in a zirconia vial for 0.5, 1.5 and 10 h in order to achieve smaller nanoparticles. The structure, microstructure, morphology and optical properties were investigated by means of diffractometric, microscopic and spectroscopic techniques. The course of the amorphous-to-crystalline transformation was complete after c…