Proceedings of the3rd International Conference onRare Earth Development andApplicationsVol. II

Baotou, Inner Mongolia, ChinaAugust 21 -25 , 1995The Chinese Society of Rare Earths

Edited by

Xu (iiiangxianMember of the Chinese Academy of Sciences

Prof, of Peking UniversityVice President of CSRF

Xiao JimeiMember of the Chinese Academy of Sciences

Prof, of I Iniversily of Science and TechnologyBeijing

Yu Zongsen

Prof, of I Iniversity of Science and TechnologyBeijing

Vice President and General Secretary of CSRF-*

Van ChunhuaProf, of Peking University

Metallurgical Industry Press

CONTENTS

Foreword

Welcoming SpeechZhou Chuandian.

Vol.1

Plennary Lectures

The Higher Oxides of the Rare Earths: A Model of Solid State ChemistryLeRoy Eyring I

Lanthanide-containing Light-converting Nanometric DevicesJean-Claude G. Bunzli, Claude Piguet 9

Vapor Phase Extraction and Mutual Separation of Rare Earths UsingChemical Vapor Transport Mediated by Vapor Complexes

Gin-va Adachi, Ken-ichi Machida, Kuniaki Mura.se 12The Separation Processes of Main Minerals in China

Yan Chunhua, Liao Chunsheng, Wang Jianfang. Jia Jiangiao,Zhang Yawen, Li Biaoguo, Xu Guangxian : 16

SECTION A RE NEW MATERIALS AND RE APPLICATIONS

New Materials

Mechanochemical Effects in the System Ln2OrI n(OH)^ (-\hO)(ljt\-\,a, Nd)Dimitr Todorovsky, A tanas. Terziev. 24

New Inorganic Materials Containing Rare Earths and Tetrahedral Anions TO4

Peir Melnikov, Lydia, Komissarova 28Anisotropy of the g-Factor and a Procedure for its Determination:Application to ErNU

N.A.de Oliveira, A.Caldas, P.J.von Ranke, I ..Palermo 31Simulation of the Spectroscopic and Magnetic Properties of TrivalentRare Earth Ions in Rare Earth Oxyfluoride Matrices

Jorma Holsa, FAja Kesiisa, Pierre Porcher 35

Optical Properties and Energy Level Simulation of RE -ionsin Rare Earth Oxychlorides

Jorma Holsa, Ralf-Johan Lamminmaki, Pierre Porcher 39Super conductivity in Fluorinated RE Cuprates

Bernard Chevalier, Jean Etourneau, A lain Tressaud 43

About New Applications for the Rare Earths: Pigments and Solid State IonicsP. Maestro. D.Huguenin, F. Pettini, T. Seguelong 47

Magnetic Polaron Effects in Nonstoichiometric Semimetals GdAs and GdPD.X.Li, Y.Haga, H.Shida, T.Suzuki 51

Observation of Ferroelastic Domains in LaNbO4 Crystals by AFM5.Tsunekawa, T.Nakada, RNishitani A.Kasuya 55

Complex Ahiminates and Gallates of Strontium and Rare Earth ElementsG. V.Zimhta, L.N.Komissarova, LN.Smirnova, F.M.Spiridonov 56

Synthesis of High-Tc Superconductors by Oxidation of "1-2-3" AlloysKononenko V.I., Akashev L.A., Shuravenko N.A.,Golubev S. V,Bezukladnikova L.L 57

Single Crystal Growth of Rare Earth and Actinide-Based IntermetallicCompounds

YJ. Bi, D.Fort, J.S.Abell 58Melt-Processed YBa2CuiO7-5 Thick Films with Additional Phases

YJ. Bi,J.S. Abell 64Rare Earth Boride Based Natural Composites

Paderno Youri, Paderno Varvara, Filippov Vladimir 68<111> Oriented and Twin-free Single Cryctals of Terfenol-D Grownby Czochralski Method with Cold Crucible

Guangheng Wu, Xuegen Zhao, Jinghua Wang, Jingyuan Li,KechangJia, Wenshan Zhan 72

The Structural Principle of the Homologous Series of the HigherOxides of the Rare Earths

Z.C. Kang, L. Eyring 76Crystal Structure, Mossbauer Effect, Properties and Applicationof REFe2-Based (Tb, DyXFe,Mn), 95 Alloys

Zhang Hongping, Du Ting, Kuang Mahua 80Thermodynamics and Equilibrium Dissociation Pressures inthe System SmH2-SmH3

Longmei Wang, Zheng Li, E.Kaldis 86The Effect of RE on Structure & Property of Zn-AI Superplasttc Material

Zhou Tianrui, Hu Shifei 90

Vl

Magneto-Optical Properties and Stability of (id I hleCo Thin lihnsPrepared by RF-magnetron Sputtering

Qiu Jufeng 94Study of Rare Earth Stabilized Zirconia Ultrafine Powders

Wei Kun, Shi Yan, Zou Xinmu, He Lunpin 98Study on Some Properties of La lx Srx CoO^ and Its Application inSealed-off CO2 Lasers

Liu Jiang, He Lanying, Chen Guangyu, Su Wenhui 103Rare Earth and Superplastic Materials

Li Shichun, Hu Xiulian, Xu Yingda 107Study on the Synthesis and Properties of Rare Earth Hydroxidesand Oxides Ultrafine Powders

Dong Xiangfing, Yang Kuisheng, Zhang Hongbo, Liu Jinghe,Hong Guangyan, Yu Decai 111

Study on Electrocatalytic Property of Anode Coating with Rare EarthCompounds

Linjiyun, Wang Yunge, Chen Kangning 115Study on Rare Earth Solid Electrolytes

Wang Wenji, Chen Jingxi 119Synthesis and Electrical Conduction Characteristics of LaCrO^ Ceramics

Tang Zilong, Zhang Zhongtai, Qi Jianquan, Li Ying 123Study on the Preparation and Properties of CeO2 Ultrafing Powdersby Sol-Gel Method

Dong Siangting, Hong Guangyan, Yu Decai, Xiao Jun, Cui Yi,Wang Dejun 127

Rare Earth Stabilizer of Polyvinyl Chloride (PVC)Zhang Yongxiang, Liu Shengtai, Yin Chengxiang 131

Effects of RE on Superplasticity of Zn-5A1 AlloysHu Xiulian, Li Shichun, YangChunsong 135

Magnetic Materials

Comparison of Corrosion Behaviour of RE-based Permanent MagnetsHenryk Bala, Stefan Szymura, Marcin. A. Malik, Ken. Ohashi 139

Electroplating of Rare Earth Metals and Their Magnetic PropertiesYuichi Sato, Yasuko Ibi, Koichi Kobayakawa. 143

Magnetic Anisotropy and Magnetostriction in Rare Earth f lydrogenContaining MgCuj-Type Compounds

Mushnikov N.V., Zajkov N.K., Gaviko VS.Korolyov A. V.,YermakovA.Ye 147

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Two Dimensional and Three Dimensional SmFc Random MagnetsX.X. Zhang, J. Tejada 151

Exponential Relaxation and Quantum Tunneling of AntiferromagneticDomain Walls in TbFeO.i Single Crystal

J. Tejada, X.X. Zhang 157Key Factors Influencing the Thermal Stability of NdFeB Sintered Magnets

B.M. Ma, Y.L. Liang, W.L. Liu, D.W. Scott,CO. Bounds 162

The Study of Czochralski-Grown Magnetostrictrve RareEarth-Iron Compounds

YJ. Bi,J.S.Abell 166Gas-treatment and Magnetic Domain Observation of SnrfcFew Alloys

Jiang Long. Zhu Jinghan, Yang Weidong, Liu Guozheng,Naoki Matsumoto, Hiroshi Kubota, Kenji Ohmori 170

Study on the Pressing Nitriding Process of Sm2Fei7Nx CompoundsWu Jianmin, Cui Liya, Zhao Weihong ,Tai Lichi 174

Magnetic Properties of Nd-Fe-Co-B Rapidly Quenched AlloysZhu Jinhan 177

Magnetic Circuit Optimization Desgin of a Drum-Type Medium MagneticSeparator with Rare-Earth Permanent Magnets

ShuqingYang 180Magnetic Circuit Design of Rare Earth Lifting Permanent Magnet

DingNing '; 183Reduction of Superfine Fe2Oiand NdFeOt Materials

Shengfeng Liu, Xiaoliang Qian, Qiang Li,Jiatth.ua Lin, Mianzeng Su 187

Magnetism in RSrMnOHou Bihui, Yang Biteeing, Yi Su, Lin Peiyan, Fu Yilu 191

Magnetic properties and Magnetostriction in Tbo.?Dyn.5(Fen.9MnxAln.i.x)i.<«Compounds

Gao Youhui, Zhu Jinghan, Lichi Tai, Q.L. Zhou 194

Materials of Luminescence, Phosphors and Lasers

Spectroscopic Properties of Eu*+ Doped Fluorophosphate GlassK.Binnemans, CGorller-Walrand, J.Lucas,N.Duhamel, J.L.Adam 198

vm

On General Relations between Coordination Polyhedra and the SpectroscopicProperties of Trivalent Rare Earth Ions

K.Binnemans, C.Gorller-Walrand. 202

Rare Earth Luminescent Hourglass Inclusion(LHI). Part 2'.TtrVf:3-Phenylpentane-2,4-Dionate Complex in K.2SO4 Crystal

OsvaldoA. Serra, ledaL.V. Rosa,EduardoJ. Nassar,Paulo C. Cardoso 206

Origin of Color in Rare Earth Doped ZrSiO4

D. Huguenin, A. Seigneurin, P. Maestro 210Luminescence Properties of Rare Earth Trifluorides Studied by SynchrotronRadiation Excitation

N.Yu.Kirikova, WE. Klimenko, V.N. Makhov 214Optical Properties of Liquid La, Ce, Pi and Nd

Akashev L.A., Kononenko V.I 215On the Further Intensification of Spectral-Luminescent Properties of theComplexes of Lanthanides with Fluorocontaining (i-Diketones

S.B.Meshkova, Z.M.Topilova, D.V.Bolshoy 218Nanometer Luminescent Material Y2SiO<;:Eu"

Zhang Weiquan, Zhang Weiping, Xia Shangda, Yin Ming 222Luminescence of Ce + and Dy 4 in BaYB<)O|rt

Xiaohua Huang, Fengyu Guo, Fengmei Zhang 226The Roles of the Ce3+ Ion in Some Phosphors

Han Junxiang, Liu Yi, He Xiuchun 230On the Structure and Some Properties of Rare Earth BoratesLn26(BO3)O27+x(Ln=La, Ce and Nd)

Jianhua Lin, Eberhard Schweda, Guo Fengyu, Mianzeng Su 234Efficient Ultraviolet-Emitting Phosphor Based on Europium ActivatedStrontium Tetraborate

Liu Yi, Han Jun-Xiang, He Xiu-Chun, Wang Xiu-Fang,Liu Zhen-Dong, MuJing 238

Study on the Rare Earth Complexes by Photoacoustic SpectroscopyMao Qinglu, Su Qingde, Wang Qin.Yang Yuetao, Zhao Guiwen 242

Spectral Studies on the Effect of Rare Earth Poly( Vinyl Chloride) ThermalStabilizers

5M Qingde, Mao Junjun, Zhao Guiwen 246The New Synthesis Method and Application of the Red CaS:Eu2+ Phosphor

Mao Xiang-Hui, Wu Zhen-Guo, Lian Shi-Xun 250

IX

Luminescence of Rare Faith Complexes with m-Metliyl and o-Clilorohenzoic AcidsZhang Hong-jie, Ma Jian-fang, Yang Kui-yue. Pan Li-hua 254

Luminescence of Complexes of Tb(lll) ion with Aliphatic Binary Carboxylic AcidXuZhao, WenlianLi. Yi Yu 258

The Study of Green Phosphor for Projection TelevisionZhang Dong, Xioti Guangnan, Cai Qingrui 262

Tm^YAG Crystal Growth and Spectrum CharacteristicCao Yu-Hui, Liu Fu-Yun, Li Chang,Xu Bao-Jian, Huang Min-Fang 266

The Luminescence of Sm2+ in Barium OctaborateQinghua Zeng, Zhiwu Pei, Qiang Su 270

Coexistence of the Eu2+ and Eu u in BaB8Ou Prepared in Air and ArgonQinghua Zeng, Zhiwu Pei, Qiang Su 274

The Luminescence of Ce*+ in M| 98Ce<u>iNa(l(>iB2O';(M=Mg,Ca, Sr or Ba)Hong Quang-Yan Li You-Mo, C.Fouassier,F.Guillen, P.Hagenmuller 278

The Mechanism of Photostimulated Luminescence (PSL) in BaFCl:Eu2+

Wang Zhenjia, Xiong Guangnan, Teng Feng, Xu Xurong 282Crystal Structure and Luminescence Properties of RE-Doped Zinc andAlkali-Earth Metal Pyromellitates

Sun Ju-Tang, Yuan Liang-Jie, Ren Min 286The Properties of Defects and Luminescent Properties Influenced by Defectsin CaS:M(M=Ce'\ Dy". Cu"1) Phosphors

Zhang Zhong-Yi, Su Qiang, Lu Yu-Hua 290Temperature-Dependence of Luminescence and Electroconductance inBaFBr:Eu2+ Crystal during Photostimulation

Yi Dong, Mianzeng Su 294On the f-f Transition of Eu2'

Liu Ying-Liang, Li Yuan-Ying, Yang Yan-Sheng,Shi Chun-Shan 298

RE Applications in Glassess and Ceramics

Sintering and Properties of Monazite-Type CePO4

Yasuo Hikichi, Toshitaka Ota, Hitoshi Ohsato,Masaaki Miyamoto 301

Regularities of Phase Equilibria in the Systems BaS-Ln2S1

O.V. Andreev, N.N. Parshukov, A.V. Kertman 305Crystallochemical Parameters of the Phases Ba,Er2S6 and Ba,Lu2Sfi

Kuz'micheva G.M., Andreev O. V., Parshukov N.N,

ReshetnikovaO.N., KertmanA. V. 310Synthesis of La2.x-ySiOs:xEu*\ yBi '̂ by Sol-gel Method and A Study of Properties

Li Bin, Zhao Chun-yan, Ding Yi-hong 314

Microstructure and Electrical Properties of Rare Earth Complex OxidesRen Yu-fang 319

Influences of Yttria on the Mechanical Properties of ZrO2 (VA^O* CompositesWen Zhao-Yin, Lin Zu-Xiang, Gu Zhong-Hua, Fan Zeng-Zhao,ChenKun-Gang 324

Characteristics of Y2O3-Doped Bi-2212 SuperconductorZhangXi-Yan, Yang Kui-Sheng, Liu Jing-He 328

Nd and Cr Co-doped Mullite Glass-CeramicsDuanMu Qing-Duo, Su Chun-Hui, Qiu Guan-Ming 332

Effects of Y2O3 Doping on the PTC Characteristics of BaTiOi CeramicsYang Kui-Sheng, Zhang Xi-Yan, Liu Jing-He 336

Study on the Preparation of Rare Earth Copper GlazeZeng Feng, Zhang Renrong 340

Study on Preparation and Properties of AlF^-Based RE Fluoride GlassJiang Kai, Zhang Xiuying, Niu Xinshu, Li Wuju, Yuan Qihua 344

Structure and Optical Properties of Al2Oi Transparent Ceramics Dopedwith Lanthanum

Su Chun-Hui, DuanMu Qing-Duo, Yao Lan-Fang, Wang Yan 348

RE Applications in Catalyst

Catalytic Activities of Hydrogen Storage Alloys for Decomposition of EtherHisao Imai, Motohiro Yamato, Takayasu Hosoya, Toshikazu Urano 352

RE Catalyst for Purification of Auto Exhaust and Purifying TechnologyQin Shun-Cheng, Zhu Zi-Ying, Liu Ming-De, Zhou Yong-Quan 356

Synthesis, Structure and Catalytic Properties of Eu2-xSrx NiO4

Ma Futai, Ge Yuping, Lou Hui 361The Oxidation Effect of the Rare-Earth Catalyst on the Waste Gas fromHydrazine Fuel

Liu Chang-Lin 365Catalysis and Surface Chemistry of Cerium Oxide

Can Li, Qin Xin 369Effects of Some Rare Earth Elements on the Stability of Platinum ReformingCatalyst

XI

Luo Lai- Tao, Zhang Ning, Li Feng-) i 371Studies on the Preparation of Pt-Sn-RE Reforming Catalysts

Zhang Ning, Luo Lai- Tao, Li Feng-) i 375

The Study of SO/ / I e2O,-Dy2O, Solid Superacid for CatalyzingEsterificationLuo Lai-Tao, Liu Zi-Li, Li Feng-Yi,Zhang Ning, Zhang Chao-Ying 379

The Effect of Lanthanum on Ni-Mo/y-AbO, Methanation CatalystLuo Lai-Tao, Wang Min- Wei, Li Feng- Yi, Zhang Ning 383

The Application of Rare Earth Metal Oxide Modified SupportGu BoE, Wu Zhen-Xiao, Cui Hai-Yu, Ge Wen-Bo, Chan Min-Cen,Liu Gian-Bo, Liu Wei-Xia, Zhun Shu-Je,Chan-Chan-Hie, Xia Gou-Fu 387

Vol. 2

RE Applications in Steel, Cast and Nonferrous Metals

Studies on the Effect of Mischmetal Additions to the Cast AI-7Si-0.3MgAlloyand its Structure Property Correlations

M.Ravi, U.T.S.Pillai, B.C.Pai, A.D.Damodaran.E.S. Dwarakadasa 391

Effect of Implanted Y on High Temperature Oxidation of Fe-20Cr-4AI AlloyT.Amano, M.Kishimoto, S.Nagata, K.Takahiro,S.Yamaguchi 395

High Temperature Oxidation of Fe-20Cr-4AI Alloys with Small Additionsof Rare Earth Elements (Y, La, Gd)

T. Amano, M.Shimizu 399Interaction Rule between Rare Earth Elements and Low-Melting PointElements in Iron-, Copper-, Aluminium-, Nickel-Base Liquid Solutions

Du Ting, Sun Yunvong, Wu Yeming, Wang Longmei 403Kinetics of Hydrogen Absorption in Hydrogen Storage Alloy

Lin Qin, Li Rong, Chen Ning, Ye Wen 408Study on Application of Rare Earth in OCTG

Lin Qin, Chen Ning, Ye Wen, Yu Zongsen, Yao Tingjie,Liu Aisheng,Lu Xianli 413

Study on RE Addition Technology of Oil Used Pipe Steel

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Study on RE Addition Technology of Oil Used Pipe SteelGu Han-Xin, Wu Wei-Min, Chen Ning, Lin Qin, Ye Wen 418

Investigation of a New Rare Earth Duplex Stainless SteelSun Wenshan, DingGuirong, Song A iying,Luo Mingwei, Wang Zhihui 422

Effects of Heavy Rare-Earth on Thermal Physical Parameters of High Heat-Resisting Hot -Work Tool Steels.

Lu Deping, Chen Nanping , Lu lei, Peng Wenyi,Chen Leping, Lei Yu 426

The Effect of Rare Earth on Codeposition of Zn and Inert ParticlesXu Xue zhen. Yuan Lian Yu, Yu Zong Sen,Zhang Chang Xing 430

The Rare Earth in Nodular Cast IronFang Kerning, Wang Min, Yu Zongsen 434

Effects of Rare Earth on Service Life of Ingot MoldShengDa, Liu Jincheng, Gong Junbo 438

Research on the Chemical Reaction of RE and CC-FluxYan Gaolin, Wan Entong, Tian Qin 442

RE Applications in Agriculture and Medicine

Accumulation, Distribution, and Migration of HICe and M7Nd in Soils of ChinaZhang Jizhen, Zhu Weimin, Zhang Ligan, Chen Zhuyi 447

Production and Physiological Effect of Rare Earth Complex Addedto Growing Pig Diet

Yu Huo Ming, Zeng Heng Xiu, Hu Xiang Ming,Li Si Yuan 452

Applied Studies on the Complexes of RE with Sulphur ContainingOrganic Ligands II—Potence of the Et2NH2[La(S2CNEt2)4] ComplexPreventing Disease and Promoving Vegetable Growth

Zhu Chu-Yao, Zhang Wei-Guang, Li Hua-Yang,Fu De-Guang 456

Study on the Antitumor Effects of Mixed Light Rare Earth CompoundsYunjing Ji, Zonghui Wang, Shaohua Peng,Bai Xiao. Jianlin Li 460

XIII

Effect of Rare Earth on infrastructure of Wheat and Peanut CellsLao Xiu-Rong, Liu Chun-Sheng, Guo Yan-Kui, Yang Shou-Xiang,Ma Yu-zeng, Li Xu-Hua, Hao Lu-Xiang, Wang Wei-Mu 467

Benefit of Rare Earth in Yield Increasing of PeanutLiu Chun-Sheng, Lao Xiu-Rong, Yang Shou-Xiang,Li Xu-Hua, Ma Yu-zeng 470

Effect of LaClj and PrCh. on Photosynthetic O2 Emanation Rate and theActivity of Chloroplast Photosynthetic Phosphorylation Coupling Factor

Pan Deng-kui, Guo chun-rong, Guo Dong-Sheng 474Research of La3f Influence on the Activity of Superoxide Dismutasefrom Bovine Blood

Pan Deng-kui, Liu Gui-lin, Guo Chun-rong, Cheng Gen-jie 478Influence of Rare Earth on the Biological Effect and Quarlity ofCoix lacryma-jobi L.

Liu Etixia, Li Suyuan, Su Huimin 482Influences of Intraperitoneal Injection of Rare Earth Compounds on the Activitiesof Antioxidant Enzymes and the Level of Lipid Peroxidation in Mice Livers

Feng Zhi-Xiang, Zhang Shu-Gong, Yang Kui-Yue, Ni Jia-Zuan,MiaoJian, You Shu-Heng 486

Application of Nd-Fe-B Permanant Magnet to False-teethHao Zenqang, Pang Lidong, Ma Weiping, Wang Qianchen,Fong Yuxia, Wang Dafong 490

SECTION B RE CHEMISTRY

RE Chemistry

hi Search of new Stable Organolanthanides HydridesA. Dormond, D.Baudry , M. Visseaux, B. Lachot, C.Qian 494

Reactions of Lanthanide Alkoxides with Organic MoleculesContaining Hydroxyl Group(s)

Kamini Sharma, Ashok Solanki, Akshya Bhandari : 498Phase Stability of BaLn2 Mn2 O7 (Ln=rare earth)

N.Kamegashira, S.Umeno 501Synthesis and Physico-chemical Studies of Binary Rare Earth Vanadates

L. N. Komissarova, A. B. Bobyley, M. N. Boubentsova,G.Ya.Poushkina, F.M.Spiridonov 505

Y I V

Stability of Triple-helical Lanthanide Complexes with BenzimidazolePyridines Ligands

S. Petoud Jean-Claude G. Bunzli, Claude Piguet 508Spectroscopy of Gadolinium Complexes with DTPA and DOTA

N.V.Rusakova, S.V.Beltyukova, Yu.A.Popkov, Yu.V.Korovin,N.A.Nazarenko, S.M.Chesnov, E.A.Romanova 509

Chemical and Structural Aspects of Uranium Compounds Containingthe Fragment "UL2"(L=HB(pz)3 and B(pz)4)

M. Paula C. Campello, Angela Domingos,A. Pires de Matos, Isabel Santos 513

Optical Property of Langmuir-Blodgett Film From a New Ferrocenyl DerivativeContaining Rare Earth Complex Anion

Gao Lihua, Wang Kezhi, Huang Chunhiii, Zhao Xinsheng,Xia Xiaohua, Xu Jingmei, Li Tiankai 518

Langmuir-Blodgett Film of a Strongly Luminescent Europium ComplexHDPEu(DBM)4

Wang Kezhi, Huang Chunhui, Gao Lihua, Song Jiaqing, Xu Guangxian,Xu Yu, Liu Yunqi, Zhu Daoben 522

Synthesis and X-Ray Crystal Structure of Heteronuclear Gadolinium and YttriumComplex with Glycine [ G d ^ Y ^ G I y M H ^ K C l O ^ ^ l ^ O

Li Junran, Wang Xin, Jin Tianzhu, Yu Kaibei 526Synthesis of Lanthanide Complexes with L-iso-Leucine, X-ray CrystalStrurure of [Nd2 (Ueu)4 (H2O8](CIO4)6

ZhaoJianjun, Yang Weichun, Wang Xiaoqing, Jin Tianzhu 530Synthesis and Crystal Structure of Heteronuclear Lanthanum and Copper Complexwith Diethylenetriaminepentaacetic Acid {[La4Cug (DTPA)6 (H2O)i6] 26H2O}n

Yang Weichun , Gan Liangbing, Li Junran, Jin Tianzhu 534Structures of Rare Earth Carboxylates

MaJianfang, Ni Jiazuan 538Crystal Structures of Lanthanum Complexes with Nitrobenzoic Acids

MaJianfang, Jin Zhongsheng, Ni Jiazuan 541Bioinorganic Chemistry of Rare Earth

Niu Chunji, Zhang Shugong, Ni Jiazuan, Nie Yuxiu 545Structural Characteristics of the Rare Earth Crown Ether Complex

Mao Jianggao, Ni Jiazuan 549The synthesis and crystal structure of [La(OH2)5(phen)2]Clv4H2O phen

Ji Zhenping, Rohm D. Rogers 553Hydrolysis of Mononucleotides by Lanthanides

Zhu Bing, Li Xinmin, Zhao Daqing, Wu Yijie, Ni Jiazuan 557

XV

Fast Cleavage of 3',5'-Cyclic Adenosine Monophosphate and 3'.5'-CyclicGuanosine Monophosphate by Lanthanides

Li Xinmin, Zhu Bing, Wu Yijie, Zhao Daqitig and Ni Jiazuan 561Effect of Metal Ions on the Conformation of Phosphatidylcholine Bilayersby NMR Spectroscopy

Zhao Daqing, Gao Xinfeng, Pei Fengkui.Ni Jiazuan, Hwang Fen, Gao Yuan 565

Organic Electroluminescent Device Having Terbium Complex as an EmitterSun Gang, Zhao Yu, Yu Yi, Li Wenlian Zhong Guozhu, Yu Jiaqi 569

Fluorescence Spectroscopy Studies on the Action of Rare Earthswith Bovine Serum Albumin in Multimolecular System

Wang Zhiqiang, Zhang Shugong, Liu Qimin, Ni Jiazan 573Substituent Effect on Structure and Spectra of Rare Earth BenzoateComplexes with Nitrogen-containing Ligands

Jin Linpei, Zheng Xiaomei, Lu Shangxi, Wang Mingzhao 577Mossbauer and XPS Studies on Sro.r,Eiio4TiOnv Synthesized byHigh Pressure and Temperature

Li Lipitig, Wei Quan, Yao Zhiguo, . Hang Chuanbin, Su Wenhui 581The Structural Study on Lanthanide Complex with Glycine in DifferentpH by Induced Shift Method

Lu Fei, Yu Hnaming, Liu Qingliang, Guo Guihua 585The CD Spectroscopy Studies of Secondary Structure of Anticoagulation Factor inthe Venom of Agkistrodon Acutus and the Effect of Metal Ionson the Structure

Yu Huaming, Xu Xiaolong, Wang Chun, Lu Fei,Zhang Zude, Liu Qingliang 589

Synthesis and Luminescence Properties of Eu" -Activated SodiumIsopolytungstate

Yang Shuijin, Zhang Weihua, Sun Juiang, Qin Zibin 594Spectroscopy and Thermal Decomposition Reaction of Tb+? -Doped Zinc Benzoate

Sun Jutang, RenMin, Song Li. Zhang Keli 598Rare-Earth Rhodamine Complexes Doped Polyethylene Film

Sun Ju-Tang, Zhang Ke-Li, Wang Qing-Ye, XiMei-Yun,Yu You-Zu, Du Xiu-Zhen 602

Effect Factors for Fluorescence Properties of RE(III) with Three Indole DerivedAcetylacetone in Solution

H.Y Lei, Y.S. Yang, Y. Jin, J.X. Meng 604Complexation and Electronic Spectra of Neodymium(NI)-Amino Acid-1,10-Phenanthroline Systems in Aqueous Solution

Yang Wu, Gao Jinzhang, Kang Jingwan, Yang Weidong 608

XVI

Preparation of Ternary Complexes of Eu(lll) with (VDiketones andDiphenylguanidine and Structural Characteristic By Low-TemperatureFluorescence Spectra

Yang Wu, Gao Jinzhang, Kang Jingwan, Li C "unxiong 613Study on Covalent Bonding of 4f Orbital and Lingand

Yang Wu, Gao Jinzhang, Kang Jingwan, Yang weidong 617The Effect of the Solvent on the Oscillator Strengths of NeodytniumNitrate Complex with Crown Ethers

Wu Dengguo, Liu Shichang, Sun Yuanhong 621Synthesis and Spectra Characterization of Rare Earth Complexes withFerrocenylmethyl-n-butylsulfoxide

Sun Yuan-Hong, Liu Zhi-Liang, Liu Jing-Xin 625Phase Equilibrium for the Iodide of Samarium and Dysprosium with Thioureaor Urotropine Hydriodide in Aqueous Solution

Zhang Chen-Ding, Wei Xiong-Hui, Dong Dian-Quan,Zhang Tong, Liu Jin-Rong, Wang Hong-Wang 629

Water-gas-shift Reaction on Cerium Oxide Studied by in situ FT-IRHu Yanpin, Jin Henfang 633

Interaction of the Iodide of Rare Earths with Thiourea or Urotropine Iodidein Aqueous Solution and Properties of Resulting Compounds

Wang Li, Rook N.S., Loginova G.P., Alikberova L. Yu, Stebin B.D. 637Study on the Lanthanum Perchlorate Complexes with Poly (Oxethylene)Derivatives

Li Yongxiu, Liu Guihua, Gu Ziying, Zhang (^haoying 641Modification of Montmorillonite Catalysts by Rare Earth Ions

Li Yongxiu, Hu Pinggui, He Xiaobing, Gu Ziying, Zhang Chaoying,Chen Zhaopitig, Qian Chengyang, Zhang Wangmei, Zhou Shijun 645

Preparation and Properties of Solid Complexes of Heavy Rare Earth with3-Phenyl-5-(furyl-2O )Pyrazoline Dithioformate

Zhang Weiguang, Tang Ning, Tan Minyu 649Survey and Development of Solid State Synthesis and Luminescent Propertiesof RE-Activated Tungstates

Yang Shuijin, Sun Jutang, Qin Zibin 653Liquid-Liquid Extraction of Rare Earths(Ill) from Acidic Sulfate Solutionswith Cyanex 302

Xue Lizheng, Li Deqian, Luo Aiqing,Wang Chun and Yuan Meng 657

XVII

Analytical Chemistry

Comparison of Nebulizer Performance in Determination of Rare EarthElements by ICP-AES

Shinichiro Murachi, Shu-Xiu Zhang, Hideki Fu/ii,Katsuaki Kimura,Akira I to 661

Application of a Partial Least-Squares Regression Model for SpectralCorrection in Inductively Coupled Plasma-Mass Spectrometry Analysisof Rare Earth Elements in Environmental Samples

W.Zhu and Ed WB.de Leer, G.J.F.R.AIaerts,M. Kennedy, P. Kelderman 665

Determination of Trace Rare-Earth Elements of Adult Human Visceraby Inductively Coupled Plasma Mass Spectrometry

Wang Naifen, Wang Xingfang, Chen Qing,Kang Zhigang, Zhang Jing 673

Fluorescence Determination of Terbium with Trimesic AcidGao Jin-Zhang, Zhao Guo-Hu, Kang Jing- Wan 677

Studies on Polarographic Adsorptive Wave of the System of the RareEarth(NI)-Cbpper(H)-m-Trifluomethyl Chlorophosphonazo

Jingwan Kang, Miao Chen, Jinzhang Gao 681Application of Rank Annihilation Factor Analysis to Quantitative AnalysisofDyandYinHPLC

Shao Xueguang, Liu Wei, Zhao Guiwen 686Studies on the P-Type Chrbmegenic Reaction of I anthanides withp-Bromochloroarsenazo

Gao Jin-Zhang, Zha Fei, Chen Htti, Kang Jing- Wan 690Determination of Gaseous Elements in Rare-Earth Metals

WangGuo-Man 694On-line Method for Measuring RE Content in the Extraction Process

Che Yuzhen 698Synergistic Extraction of Some Rare Earth Ions by l-Phenyl-3-Methyl-4-Benzoyl-5-Pyrazolone and Trioctylphosphine Oxide in Paraffin Wax

Jinzhang Gao, Haiyan Fan, Bo Peng, Jingwan Kang 702Determination of Carbon in Metal Lanthanum by High Frequency-infraredMethod

Han Jun-Juan 706

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SECTION C RESOURCES AND METALLURGY

RE Separation, Extrection Chemistry, Mathematical Modeling.Hydrometallurgy and Equippment

Extraction of Rare Earth Elements from Nitric Acid Solutionsby Di-(2-Ethyl Hexyl)-Phosphoric Acid

LS.El-Yamani, E.N. AbdEl-Messieh 710

Solubility of Rare Earth Phosphates in the Systems LnPO4 -H3PO4 H2O andLnPO4 -Ca3(PO4 )2 -H^PO4-H2O Under Non-equilibrium Conditions

A.P.Bobylev, G.V.Zimina, L.N.Komissarova, T.LKouzina,G.Ya Poushkina. T.l.Slivko 714

Preparation of Cerium Concentrate for Glass Additives fromChinese Baotou Bastnasite

Joon Soo Kim, Sung Don Kim, Chul Joo Kim, Hi Sun Lee 718Reductive Extraction of Bastnasite Ore Baked with Sodium Carbonate

Wang Shumao, Zheng Wei, Fan Yubin, Xu Yengnan 728A New Process for Rare Earths Separation in HDEHP-HC1 andHEH(EH)P-HC1 System

Hao Xian-Ku, Zhang Li-Ping, WangQi 731Study on Extraction Behavior of Rare Earth Using the Mathematical Modelsin the System of (Sm-GdXClrHCl-HEH(EHP)-isoparaffin

Ying Weijuan, Huang Wenmei, Ronaldo Luiz C. Santos,Clelio Thaumaturgo 735

Studies on Refining Yb2Oi by Electrolyfie Reduction-Alkaline ProcessLiu Jian-gang, Liu Zhao-gang, Song Hong-fang,Zheng Zhong, Zhang Yan 740

The Extraction Kinetics Study of HFH/EHP-Er(III)-HCl witha New Constant Interfactal Cell

Zheng Zhong, Li De-Qian 744Extraction Kinetic Study on Gadolinium with HEH(EHP)

Ya Wen-Hou, Huang Xue Ning, Cui Da-Li, Wang Nai-ying 748Study on Preparation of Nd2Oi Fine Powder by Ammoniated Oxalic AcidPrecipitation Method

SunJun, Zhang Shun-Li, Yang Gui-Lin 753

XIX

The Study of Using Cation Exchange Fiber to Prepare High Purity Er2O,Li Mei, Ye Zuguang, Zhang Ruixiang.Zhang Yongchao, Bai Yan, Ma li 757

Study on Extraction Machanism of Ce(IV) By 2-Fthylhexyl PhosphonicAcid Mono-2-Ethyl hexyl Ester in Nitric Acid

Zhou Jing-Min, Wang Nai-Bin, Li Gui-Zhu 761Study of Separated Rare Earth with a New Mixer Settler Extractor

Zhong Chenghua 766Electrolytic Reduction of Ce(IV) to Ce(IH) in an Emulsion

Gao Wei, Liu Jian-gang, Zhang Chun-Rui,Wang Xiu-Yan, Ji Hong-Jun 770

Extraction Separation of Lu(III) from Zr(IV), Ti(IV), Th(IV), FelHI) andMechanism of Zr(IV) by Bis(2,4,4-trimethylpentyl)phosphinic Acid

Wang Chun, Li Deqian 774

Preparation of Metals, Alloys and RE Compounds

Electrodeposition of Neodymium-cerium Alloy from Their Oxides in Molten SaltsT.Shimada, M.Nishida, Y.Shimizu, M.Miyake 778

The Influence of Mixed Ligand Complex Formation on the Separation ofVolatile lathanide Dipivaloylmethanates by Vacuum Sublimation

N.Kuzmina, Liu Fenghua, Zoan Anh Tu,L.Martynenko, G.Mazo 782

Influence of RE Additions on the Synthesis Mechanism of Silicon NitrideObtained from Silica Reduction by Carbon in Nitrogen Atmosphere

Li Wen-chao, Zhuang You-qing, Zhong Xiang-chuong,SunGui-ru 786

Electrical Conductivity Study on the Molten Salt Electrolysis ofLa-Nd Rich Alloys

Li Xue-shun, Wei Xu-jun, Xu Xiu-zhi, Feng Fa-lun 790Phase Relations, Compounds and Electrical Properties in the SystemBaO-Gd2O3-TiO2

Zheng Chao-Gui, Wang Shuang-Yang 794The Behaviour of Magnesium in Vacuum Distillation of Nd-Mg Alloy

Li Zuoshun, Yang Yaoshan 798Application of the Quasi-parabolic and Quasi-paraboloidal Regulationof Intermediate Compounds in RE Binary and Ternary System

Sun Gui-ru, Li Wen-chao, Chou Kna-chih,Li Xing-kang, WangJian 802

XX

RE CalphadWangJixin 806

Thermodynamic Estimation of Tb-Dy-Fe Phase DiagramWangJixin 810

Phase Diagram and Structure of Cs Sm(i.X) Ybx h systemsYuanfeng Xie, Shihua Wang, Xinhua Zhao 814

Thermodynamic Study on the Sm-Ba-Cu-O SystemXing Xianran, Qiao Zhiyu, Wei Soukun 818

The Application of Lanthanum Sensor in the Study on the Lanthanum Activityin Carbon Saturated Iron Liquid Solution and Its Solidified Process

Wang Ping, Wang Chang-Zhen, Xu Xiu-Guang, Liu Liang 822

Geochemistry and Ore Dressing

Selective Accumulation of Rare Earth Elements by Oligotrophic BacteriaKeiichi Kawai, Manjiro Kamijo, Tohru Suzuki,KazuhiroTakamizawa, Hiroyuki Horitsu, Hironobu Hirose 826

A Study on Recovery of Rare Earth Elements from Refractory OresH. Tateiwa, M. Hashimoto, Y. Sugama, N.Matsumoto, H. Kubota 830

Synchisite-New Resources of the Rare EarthsHaumdas Ashim., Burmaa. G, Bayar.B., Myagmarjav.B.,RakaevA 834

Content and Cathodoluminescence of RE Minerals and TheirTechnological Properties

Zamorianskaya M.V 838Cathodoluminescence as a New Method of Defect Control in Oxideand Fluoride Crystals

Zamorianskaya M.V. 842The Geological Metallogenic Age and Spacial Distribution of Chinese Reeand Their Genetic Type of Ore Deposits

Zhang Peishan, Yang Zhuming 846RE Mineralization and Prospect in Western MianningMinning of Sichuan China

Pu GuangPing, Yang Zhengxi 850Study on Exchange Mechanism of RE of Elution Deposit Orein Weathering Crust

He Lunyan, Jiao Xiaoyan, Zhou Xinmu, Wang Sinan,Li Nanping, Wen Zhiyu 855

XXI

Study on Preparation Technique of Rare Earth Mineralsfrom Acid Leach Dregs

Che Liping, Hou Wei 859

Environmental Protection

Harmful Waste Gas Treatment in Rare Earth ProductionLin He-Cheng 863

An Epidemiological Investigation on Abnormal Pregnant Result of FemaleWorkers in Rare Earth Producing Factories

Zhao Guang-Li, Tianjun, Huang Xiang-Min 868Study on Bastnasite Selective Flotation with H894

Che Li-Ping 871The Specific Activity Level and Hygienic Evaluation of U. Th and Ra inAgriculture and Forage in which Rare Earths Are Used

Sun Bao-Chen, Cong Ri-Hui, Shen Bao-Ming, Li Ye 875

Male Reproductive Toxicity of Yttrium Chloride on RatsAfter Oral Administration

Zhang Hua, Li Ying -Zeng, Bai Jun-Hai, Ren Shu-Ying,Shang Lan-Qin, Zhang Jin-Xia, Lu Guo-Cheng, Shen Zi-Wei,Song Chuan-lin , Chang Zhi-Cheng, Gao Hong-Qi 879

Antimutagenicity and Anticarcinogenicity of Rare Earth Elements in VitroMingzhen Cui, Bai Xiao, Qingsheng Lu, Li Cai, Hua Yang 883

The others

Rare Earth 1995 Recent Evolution of the Application MarketsJ.M.Tourre 887

Backgroud and Prospect of Inner Mongolia's Rare Earth IndustryLi Peizhang 891

Rare earth Metal Prices in the United States:from the late 1950s through 1994

James B. Hedrick 894Vapor Pressures and Thermodynamic Properties of the Rare Earth Disulfides

Shilkina T.Yu, Vasilyeva I.G. 895

XXII

New Method of Preparation of RE, Yttrium and Scandium Metals and TheirCompounds

A.A.Kamarzin, V.V.Sokolov, L.N.I rushnikova, M.V.Savel'eva,Yu.M.Zelenin, L.I.Osadchaja, Yu.A.Stonoga 896

Phase Equilibria, Synthesis and Properties Some RE SulfidesGibner Ja.L, Belyeva E.I., Vasilyeva I.G 897

Core-level Spectroscopy of Rare-Earth Compounds with UnusualValence States

Z. Hu, G. Kaindl, G. Meyer, B.G Muller, R. Hoppe 898Recovery of Rare Earths From Phosphate Rock

H.Richter ,....899MMAJ'S Rare Earth R & D Project

N.Mastumoto, H.Kubota, K.ltou, H.TaMwa, N.Komadam K.Toma,K.Sakurai, T.Onoue, T.Shimizu 900

Rare Earth-Tin Phase DiagramsM.V. Bulanova 903

The Research of Technological Schemes of Rare earth Elements SeparationBased on Mathematical Modeling

Bogatov K. B., Piartman A. K., Puzikov E. G, Chekmarev A. M 911F-d heterobimetallic hydrides

D. Baudry, A.Dormond, M. Visseaux, P. DesmursF.NiefL. Richard. 912

XXIII