Relevant bibliographies by topics / Rare earth ions

Academic literature on the topic 'Rare earth ions'

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Published: 4 June 2021
Last updated: 28 July 2024

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Journal articles on the topic "Rare earth ions"

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Mohammed, Mohanad Hazim, Joseph Horvat, Zhen Xiang Cheng, and Shi Xun Cao. "Robustness in Coupling between Iron and Rare Earth Spins in Rare Earth Orthoferrites." Materials Science Forum 985 (April 2020): 29–34. http://dx.doi.org/10.4028/www.scientific.net/msf.985.29.

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We report on very accurate magnetic measurements on large rare earth orthoferrites single crystals of ErFeO3 and NdFeO3. Our results show that the interaction between rare earth and iron spin system does not change during the spin-flip process. This implies that the coupling between the iron and rare earth spin systems is robust enough to withstand the effects of spin flipping against the magnetic anisotropy energy. This is despite rare eath ions, polarized by the ordered iron ions, being in partly metastable state and their magnetic moment decays with time.
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ZHAO, XINWEI, SUSUMU HARAKO, SHINRI NOGUCHI, and SHUJI KOMURO. "SYSTHESIS AND OPTICAL PROPERTIES OF RARE EARTHS DOPED NANO-SEMICONDUCTORS AND THEIR APPLICATIONS." International Journal of Modern Physics B 16, no. 28n29 (November 20, 2002): 4294–301. http://dx.doi.org/10.1142/s0217979202015297.

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Er and Yb have been doped into nanocrystalline Si and ZnO thin films. Sharp and intense photoluminescence (PL) lines related to intra-4f transitions in the rare earth ions were observed. The optical transition dynamics of the rare earth ions were investigated by time-resolved PL measurements. It was demonstrated that a nano-meter sizing of Si widened the energy bandgap and led to an increase of doping densities of the rare earths. It was also shown that the Er-related PL gave rise to different features under direct and indirect excitations indicating a strong interaction of electron-hole pairs in the host with 4f electrons in the rare earth ions. A co-doping effect of Yb and Er into nanocrystalline Si was presented also. Our results suggested a rare earth-rare earth coupling between the Yb 3+ ions and the Er 3+ ions, which transferred the energy from Yb to Er and enhanced the 1.54 μm PL of Er.
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Morrison, C. A., and D. E. Wortman. "Energy levels of rare-earth ions in rare-earth arsenides." Optical Materials 1, no. 3 (September 1992): 195–207. http://dx.doi.org/10.1016/0925-3467(92)90028-l.

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Yoshimura, Y., Takahiro Oikawa, H. Kanno, and Y. Suzuki. "Coordination of Thiocyanate Ions to Rare Earth Ions in Concentrated Aqueous Rare Earth Thiocyanate Solutions." Materials Science Forum 315-317 (July 1999): 494–99. http://dx.doi.org/10.4028/www.scientific.net/msf.315-317.494.

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CHOI, YONG GYU. "ENHANCING EMISSION PROPERTIES OF RARE EARTH IONS IN CHALCOGENIDE GLASS VIA MINUTE COMPOSITIONAL ADJUSTMENTS." Journal of Nonlinear Optical Physics & Materials 19, no. 04 (December 2010): 663–71. http://dx.doi.org/10.1142/s021886351000556x.

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The significant role of the chemical environments of rare earths ions in controlling their radiative and nonradiative processes are exemplified in this study: The emission properties of rare earth ions ( Dy3+ or Tm3+ ) embedded in the strong covalent chalcogenide glass ( Ge and/or As containing sulphide glass) are dramatically enhanced upon the addition of very small amount of the Group III elements ( Ga or In ) and alkali halides ( CsBr or RbBr ). These compositional adjustments alter only the local structural environments of rare earth ions, while thermal stability of the modified glass is kept unaltered.
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Bai, Qiongyu, Zhijun Wang, Panlai Li, Shuchao Xu, Ting Li, and Zhiping Yang. "Zn2−aGeO4:aRE and Zn2Ge1−aO4:aRE (RE = Ce3+, Eu3+, Tb3+, Dy3+): 4f–4f and 5d–4f transition luminescence of rare earth ions under different substitution." RSC Advances 6, no. 104 (2016): 102183–92. http://dx.doi.org/10.1039/c6ra21932b.

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Generally, luminescent properties of rare earth ions doped host can be tuned by controlling the host composition, that is, when substituted for different cations of host, the rare earths ions can present different characteristics.
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Binnemans, Koen. "Stilbazolium dyes containing rare-earth ions." Journal of Alloys and Compounds 303-304 (May 2000): 125–31. http://dx.doi.org/10.1016/s0925-8388(00)00618-6.

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Pelletier-Allard, N., and R. Pelletier. "Spectroscopy of photoexcited rare earth ions." Journal of Alloys and Compounds 180, no. 1-2 (March 1992): 151–55. http://dx.doi.org/10.1016/0925-8388(92)90374-i.

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Lezhnina, M. M. "Rare-Earth Ions in Porous Matrices." Physics of the Solid State 47, no. 8 (2005): 1479. http://dx.doi.org/10.1134/1.2014496.

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Meijerink, A., C. de Mello Donegá, A. Ellens, J. Sytsma, and G. Blasse. "Vibronic transitions of rare earth ions." Journal of Luminescence 58, no. 1-6 (January 1994): 26–32. http://dx.doi.org/10.1016/0022-2313(94)90355-7.

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Dissertations / Theses on the topic "Rare earth ions"

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Hansen, Peter C. "Laser spectroscopy of rare earth ions." Thesis, University of Oxford, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.293472.

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Kooy, Hendrikus Johannes. "Two-body operators and rare-earth spectroscopy." Thesis, [Hong Kong : University of Hong Kong], 1994. http://sunzi.lib.hku.hk/hkuto/record.jsp?B13787330.

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Todoroki, Shin-ichi. "Studies on local structure around rare earth ions in glasses." Kyoto University, 1993. http://hdl.handle.net/2433/51187.

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学位授与大学:京都大学;学位の種類:博士(工学);学位記番号:工博第1285号;学位授与日付:1993-03-23
Kyoto University (京都大学)
0048
新制・課程博士
博士(工学)
甲第5394号
工博第1285号
新制||工||903(附属図書館)
UT51-93-F151
京都大学大学院工学研究科工業化学専攻
(主査)教授 曽我 直弘, 教授 作花 濟夫, 教授 小久保 正
学位規則第4条第1項該当
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Townsend, Janet E. "The development of optical fibres doped with rare-earth ions." Thesis, University of Southampton, 1990. https://eprints.soton.ac.uk/400704/.

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Research into rare-earth ion doping of silica based optical fibres is described and a detailed study of the fabrication process reported. Dilute solutions of rare-earth ions are employed to incorporate dopants into preforms prepared by conventional methods. Alternative core glass compositions are also studied. Parameters affecting dopant incorporation, host composition and refractive index, as well as impurity concentration are investigated. Spectroscopic fluorescence and absorption measurements are presented and provide important information for device applications. In addition, fluorescence lifetime data allow the effect of dopant concentration and host composition to be analysed. Thus, a model describing the limits of doping levels is developed. The use of rare-earth ion doped fibre in several devices, both active and passive, is assessed, with special reference to the fabrication process. In particular, the effect of host glass on the laser characteristics of Tm3+ doped fibres and of the ratio of doping levels on the behaviour of Er3+/Yb3+ codoped fibre lasers is discussed. A practical temperature sensor based on fibre doped with low levels of rare-earth ions and a fibre filter requiring heavily doped fibre are demonstrated, with suggested design for improved performance. Finally, a novel radiation dosimeter, based on Nd3+ doped fibre, is described. Unusually, the response is found to be both rereadable and linear, even at elevated temperatures, and a model is proposed to describe the behaviour of this material. In summary, the fabrication, characterisation and applications of a wide range of rare-earth ion doped optical fibres have been investigated in detail.
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Xu, Amei. "Luminescence properties of Zinc oxide doped with rare earth ions." Ohio University / OhioLINK, 2001. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1174408190.

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Martin, Rodica M. "Reciprocity between emission and absorption for rare earth ions in glass." Link to electronic thesis, 2006. http://www.wpi.edu/Pubs/ETD/Available/etd-042806-110237/.

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Dissertation (Ph.D.)--Worcester Polytechnic Institute.
Keywords: homogeneous broadening, McCumber theory, emission and absorption cross sections, rare earth ions, inhomogeneous broadening. Includes bibliographical references (p.171-178).
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Webb, Helen Rachael 1975. "Interaction of the rare earth ions with p-sulfonatocalix[4]arene and 18-crown-6." Monash University, Dept. of Chemistry, 2001. http://arrow.monash.edu.au/hdl/1959.1/9076.

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McDougall, James. "Spectroscopic properties of rare earth ions in zirconium based fluoride glasses." Thesis, University of the West of Scotland, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.261598.

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Grigorova, A. V., V. K. Klochkov, N. S. Kavok, and O. O. Sedyh. "Colloidal Nanocrystalline Luminophors Doped by Rare-earth Ions for Biological Testing." Thesis, Sumy State University, 2012. http://essuir.sumdu.edu.ua/handle/123456789/34997.

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nReVO4:Eu3+ (Re Gd, Y, Sm, La) luminescent nanocrystals of different shape and size from 2 to 300 nm have been synthesized. Luminescence of nReVO4:Eu3+ nanocrystals are effectively excited under UV and visible irradiation. By means of luminescence microscopy and luminescence microspectroscopy it has been revealed that spherical nanocrystals with an average diameter from 3 to 20 nm tend to accumulate mainly in the isolated rat hepatocyte nuclei. Spherical nGdYVO4:Eu3+ nanocrystals are efficient inorganic markers and can be used in systems of selective delivery of substances into the cell nucleus. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/34997
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Al-Maghrabi, Mufied Mahmoud. "Thermoluminescence spectra from sulphates, fluorides and garnets doped with rare earth ions." Thesis, University of Sussex, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.366054.

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Luminescence measurements have been applied to three different structures namely, sulphate, fluorides and YAG. In all cases the RE doping suppresses the intrinsic emission and results in intense luminescence characteristic of the RE dopant. Additionally, in double doped samples, or contaminated ones, the TL data show that each dopant defines a glow peak, which is displaced in temperature relative to the others. Examples of this were discussed for CaS04:Ce,Mn; YAG:Nd,Tb,Cr,Mn; BaF2:Ho,Ce and BaF2:Tm,Ce. The data are discussed in terms of an energy transfer model between different parts of extended defect complexes which encompass the RE ion and the lattice defects. Calcium sulphate doped with Dy define a TL peak near 200°C suitable for radiation measurements, but when co-doped with Ag the TL peak move to higher temperatures with minor effects on the peak sensitivity. In Ce,Mn double doped samples, the peak temperatures differ by -7°C between the Ce and Mn sites. The TL glow curves from alkaline earth fluorides are complex and contain several overlapping peaks. Curve fitting show that the peak maxima below room temperature are insensitive to the RE dopant. Additionally the host material has a modest effect on the peak positions. Above room temperature each dopant provides a TL curve specific to the added RE ion and do not show common peaks. Concentration has many effects on the resultant glow curve, and even at the lowest concentration used here (0.01%) there is evidence of cluster formation. Samples with high RE content show low values of the frequency factor consistent with the energy transfer model in that the emission from RE-RE cluster dominates over the emission from direct charge recombination within the defect complex. The effect of concentration and the TL mechanism operating below room temperature are also discussed. Luminescence signals from the near surface of YAG:Nd (via CL) were contrasted with those from the bulk material via RL. Results indicate that the outer few micron layers differ significantly in luminescence response from the bulk crystal. The differences were ascribed to result from solvents that enter the YAG lattice during the growth stage or subsequently from cleaning treatments via the dislocations caused by cutting and polishing. Additionally, the growth stage may include gases from the residual air in the growth furnace trapped into the YAG lattice. In each case there is a discontinuity in luminescence intensity and/or emission wavelengths at temperatures which mach the phase transitions of the contaminants. At the transition temperature there will be a sudden pressure change and this will induce surface expansion or bulk compression. The differences between the two cases were detected by the alternatives of CL and RL excitation, where the Nd or Er lines have moved in opposite directions. The detection of such low concentrations of solvents/trapped gases by luminescence is extremely difficult due to experimental limitations. Hence their role in luminescence generation is normally ignored.
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Books on the topic "Rare earth ions"

1

A, Kapli͡a︡nskĭi A., and Macfarlane R. M. 1938-, eds. Spectroscopy of solids containing rare earth ions. Amsterdam: North-Holland, 1987.

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W, Street Kenneth, and NASA Glenn Research Center, eds. Solid phase luminescence of several rare earth ions on ion-exchange films. [Cleveland, Ohio]: National Aeronautics and Space Administration, Glenn Research Center, 1999.

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W, Street Kenneth, and NASA Glenn Research Center, eds. Solid phase luminescence of several rare earth ions on ion-exchange films. [Cleveland, Ohio]: National Aeronautics and Space Administration, Glenn Research Center, 1999.

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Xi tu fa guang cai liao: Ji chu yu ying yong. Beijing: Ke xue chu ban she, 2011.

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Klintenberg, Mattias. Rare-earth polarized absorption spectra as a structural tool. Uppsala: Acta Universitatis Upsaliensis, 1997.

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Lis, Stefan. Luminescencyjne badania wybranych jonów i kompleksów lantanowców w ciekłych roztworach. Poznań: Wydawn. Nauk. Uniwersytetu im. Adama Mickiewicza w Poznaniu, 1994.

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D, Galanin M., ed. T͡S︡entry svechenii͡a︡ redkozemelʹnykh ionov v kristallofosforakh. Moskva: "Nauka", 1986.

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Malinowski, Michał. Wpływ kooperatywnego oddziaływania jonów ziem rzadkich i procesów wielofotonowych na przejścia optyczne w dielektrycznych kryształach laserowych na przykładzie kryształów czterofosforanów. Warszawa: Wydawnictwa Politechniki Warszawskiej, 1990.

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Bettencourt-Dias, Ana de. Luminescence of lanthanide ions in coordination compounds and nanomaterials. Chichester, West Sussex, United Kingdom: Wiley, 2014.

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I, Ryskin A., Masterov Vadim F, Nauchnyĭ sovet po probleme "Spektroskopii͡a︡ atomov i molekul" (Rossiĭskai͡a︡ akademii͡a︡ nauk), and Russia (Federation). Ministerstvo nauki i tekhnicheskoĭ politiki., eds. Tenth Feofilov Symposium on Spectroscopy of Crystals Activated by Rare-Earth and Transitional-Metal Ions: 3-7 July 1995, St. Petersburg, Russia. Bellingham, Wash: SPIE, 1996.

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Book chapters on the topic "Rare earth ions"

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Luo, Zundu, and Yidong Huang. "Rare Earth Ions in Materials." In Physics of Solid-State Laser Materials, 69–101. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-32-9668-8_3.

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Meyer, Johan, Justice Sompo, and Sune von Solms. "Rare-Earth Ions and Fiber Laser Fundamentals." In Fiber Lasers, 67–107. Boca Raton: CRC Press, 2021. http://dx.doi.org/10.1201/9781003256380-3.

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Su, M. Z., and W. Zhao. "Rare Earth Ions in Advanced X-ray Imaging Materials." In Spectroscopic Properties of Rare Earths in Optical Materials, 500–529. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/3-540-28209-2_10.

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Sugawara, Kazushi. "Consideration of Interaction Between Carriers and Magnetic Rare-Earth Ions in R1Ba2Cu3Oy (R=Rare-Earth Ions) Based on ESR and Resistivity Studies." In Advances in Superconductivity, 215–18. Tokyo: Springer Japan, 1989. http://dx.doi.org/10.1007/978-4-431-68084-0_34.

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Chen, G., H. Xiao, S. Q. Man, J. Q. Zhang, and S. X. Ren. "Radiation Damage of Rare Earth Ions Doped Barium Fluoride Crystals." In Supercollider 4, 809–15. Boston, MA: Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-3454-9_98.

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Bertrand, Patrick. "EPR Spectrum for Complexes of Rare Earth and Actinide Ions." In Electron Paramagnetic Resonance Spectroscopy, 289–321. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-39663-3_8.

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Rivière, C., S. Roux, R. Bazzi, J. L. Bridot, C. Billotey, P. Perriat, and O. Tillement. "Nanoparticles Containing Rare Earth Ions: A Tunable Tool for MRI." In Nanoplatform-Based Molecular Imaging, 333–74. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9780470767047.ch15.

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Guise, Nicholas D., Samuel M. Brewer, and Joseph N. Tan. "Highly Charged Ions in Rare Earth Permanent Magnet Penning Traps." In New Trends in Atomic and Molecular Physics, 39–56. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-38167-6_3.

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Macfarlane, Roger M. "High Resolution Nonlinear Spectroscopy of Rare Earth Ions in Solids." In NATO ASI Series, 151–224. Boston, MA: Springer US, 1994. http://dx.doi.org/10.1007/978-1-4899-1190-2_4.

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Hua, Yongbin, and Jae Su Yu. "Fabrication, Photoluminescence, and Applications of Rare-Earth Ions-Activated Nanophosphors." In Advanced Nanomaterials, 265–309. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-11996-5_10.

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Conference papers on the topic "Rare earth ions"

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Phenicie, Christopher M., Paul Stevenson, Sacha Welinski, Brendon C. Rose, Abraham T. Asfaw, Stephen A. Lyon, Nathalie P. de Leon, Jeff D. Thompson, and Robert J. Cava. "New Host Materials for Rare Earth Ions." In Quantum 2.0. Washington, D.C.: OSA, 2020. http://dx.doi.org/10.1364/quantum.2020.qtu8b.5.

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Rogojan, Rodica, Paul E. Sterian, and Mihai Elisa. "Aluminophosphate-doped glasses with rare-earth ions." In SIOEL: Sixth Symposium of Optoelectronics, edited by Teodor Necsoiu, Maria Robu, and Dan C. Dumitras. SPIE, 2000. http://dx.doi.org/10.1117/12.378652.

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Sokolov, Nikolai S., and Nikolai L. Yakovlev. "Luminescence of rare-earth ions in epitaxial fluoride layers." In Tenth Feofilov Symposium on Spectroscopy of Crystals Activated by Rare Earth and Transitional Ions, edited by Alexander I. Ryskin and V. F. Masterov. SPIE, 1996. http://dx.doi.org/10.1117/12.229165.

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Thrash, R. J., and L. F. Johnson. "Room temperature upconversion lasers in rare-earth doped crystals." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1992. http://dx.doi.org/10.1364/oam.1992.mj1.

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Diode laser pumped, room temperature upconversion lasers are one possible route to ail solid-state visible wavelength laser devices. Room temperature, upconversion laser operation has been obtained by using barium yttrium fluoride doped with either thulium or erbium ions, and sensitized with ytterbium. The 960 nm output from a titanium sapphire laser or diode laser serves as the pump source. Excitation is accomplished by means of energy transfer from ytterbium to the active ion. Successive transfers of energy from ytterbium to the active ion, as well as cross-relaxation processes among the active ions, distribute the energy to the various excited states responsible for the laser emission. Laser operation has been obtained at wavelengths in the red, green, and blue regions of the visible spectrum. Several of these transitions are capable of cw operation. A discussion of the pumping processes and recent results will be presented.
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Wrachtrup, Joerg. "Quantum nodes made from single rare earth ions." In Laser Science. Washington, D.C.: OSA, 2012. http://dx.doi.org/10.1364/ls.2012.ltu4j.1.

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Sandoghdar, Vahid. "Spectroscopy of single rare earth ions (Conference Presentation)." In Advances in Photonics of Quantum Computing, Memory, and Communication X, edited by Zameer U. Hasan, Philip R. Hemmer, Hwang Lee, and Alan L. Migdall. SPIE, 2017. http://dx.doi.org/10.1117/12.2256656.

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Sahu, J., A. Biswas, M. Chakraborty, and H. N. Acharya. "Fabrication of optical fibers containing rare-earth ions." In International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '96, edited by J. P. Raina and P. R. Vaya. SPIE, 1998. http://dx.doi.org/10.1117/12.345371.

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Francini, Roberto. "Spectroscopy of rare-earth ions in insulating materials." In Tunable Solid State Lasers, edited by Wieslaw Strek, Edward Lukowiak, and Barbara Nissen-Sobocinska. SPIE, 1997. http://dx.doi.org/10.1117/12.293423.

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Tsvetkov, V. B., G. A. Bufetova, D. A. Nikolaev, S. Ya Rusanov, I. A. Shcherbakov, and A. A. Yakovlev. "Waveguide Crystal Fibers doped with Rare-Earth Ions." In Advanced Solid-State Photonics. Washington, D.C.: OSA, 2005. http://dx.doi.org/10.1364/assp.2005.tuc3.

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Mosses, R. W., J. P. R. Wells, T. P. J. Han, H. G. Gallagher, and M. Yamaga. "Spectroscopy of Rare-Earth Doped Perovskite Phase Strontium Lanthanum Aluminate." In The European Conference on Lasers and Electro-Optics. Washington, D.C.: Optica Publishing Group, 1998. http://dx.doi.org/10.1364/cleo_europe.1998.cthh47.

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Strontium lanthanum aluminate (SrLaAlO4) belongs to a wide family of compounds with the general formula ABCO4 (where A denotes an alkaline earth cation: B denotes Y. Sc or a trivalent rare earth element and C denotes Al, Ga or a transition metal ion). This material crystallises in the perovskite phase, with tetragonal K2NiF4 structure having space group 14/mmm. The structure is composed of CO6 layers in the ab plane. The C cations are surrounded by six oxygens and sit in slightly distorted octahedral sites. Between these layers, the A cations and trivalent B cations are randomly distributed in nine co-ordinated sites of C4v symmetry. The random distribution of Sr2+ and La3+ ions leads to a structural disorder that causes inhomogeneous broadening of the spectral lines of rare-earth ions doped into these crystals.
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Reports on the topic "Rare earth ions"

1

Reddy, B. R., and Anshel Gorokhovsky. Optical Hole Burning Studies in Glasses Doped with Dyes and Rare-Earth Ions. Fort Belvoir, VA: Defense Technical Information Center, November 2000. http://dx.doi.org/10.21236/ada386718.

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Stevens, Sally B., and Clyde A. Morrison. Theoretical Crystal-Field Calculations for Rare-Earth Ions in III-V semiconductor Compounds. Fort Belvoir, VA: Defense Technical Information Center, October 1991. http://dx.doi.org/10.21236/ada243098.

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Skone, Timothy J. Separation of rare earth elements using ion exchange. Office of Scientific and Technical Information (OSTI), July 2014. http://dx.doi.org/10.2172/1509123.

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Islam, Z. The interplay of long-range magnetic order and single-ion anisotropy in rare earth nickel germanides. Office of Scientific and Technical Information (OSTI), May 1999. http://dx.doi.org/10.2172/354997.

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