Oxidation states of ytterbium incorporated in calcium carbonate and calcium fluoride

被引:4
作者
Yoshida, T
Kagi, H [1 ]
Tsuno, H
Ohta, A
Nomura, M
机构
[1] Univ Tokyo, Grad Sch Sci, Earthquake Chem Lab, Tokyo 1130033, Japan
[2] AIST, Inst Environm Management Technol, Ibaraki 3058569, Japan
[3] AIST, Geol Survey Japan, Ibaraki 3058567, Japan
[4] KEK, Inst Mat Struct Sci, Ibaraki 3050801, Japan
关键词
D O I
10.1246/cl.2005.852
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Divalent ytterbium was found in great amounts in calcium carbonate polymorphs (calcite and aragonite) and calcium fluoride, and the Yb2+/Yb3+ ratios in these materials increased with increasing saturation states of the respective starting solutions.
引用
收藏
页码:852 / 853
页数:2
相关论文
共 9 条
[1]   RARE-EARTH ELEMENT MOBILITY DURING HYDROTHERMAL AND METAMORPHIC FLUID ROCK INTERACTION AND THE SIGNIFICANCE OF THE OXIDATION-STATE OF EUROPIUM [J].
BAU, M .
CHEMICAL GEOLOGY, 1991, 93 (3-4) :219-230
[2]   Synthesis, fabrication, and photoluminescence of CaF2 doped with rare earth ions [J].
Faulques, E ;
Wery, J ;
Dulieu, B ;
Seybert, C ;
Perry, DL .
JOURNAL OF FLUORESCENCE, 1998, 8 (04) :283-287
[3]   X-RAY ABSORPTION SPECTROSCOPIC STUDY OF MIXED-VALENCE SYSTEMS EUCU2SI2, YBCU2SI2 AND SM4BI3 [J].
HATWAR, TK ;
NAYAK, RM ;
PADALIA, BD ;
GHATIKAR, MN ;
SAMPATHKUMARAN, EV ;
GUPTA, LC ;
VIJAYARAGHAVAN, R .
SOLID STATE COMMUNICATIONS, 1980, 34 (08) :617-620
[4]  
NOMURA M, 1995, 9515 KEK, P1
[5]   VALENCE FLUCTUATION IN SOME YB INTERMETALLICS BY X-RAY PHOTOEMISSION AND X-RAY ABSORPTION [J].
RAO, CNR ;
SARMA, DD ;
SARODE, PR ;
SAMPATHKUMARAN, EV ;
GUPTA, LC ;
VIJAYARAGHAVAN, R .
CHEMICAL PHYSICS LETTERS, 1980, 76 (03) :413-415
[6]   Natural fluorite emitting yellow fluorescence under UV light [J].
Sidike, A ;
Kusachi, I ;
Yamashita, N .
PHYSICS AND CHEMISTRY OF MINERALS, 2003, 30 (08) :478-485
[7]   VALENCE VARIATION OF YB ENCAPSULATED IN THE SUPERCAGE OF Y-TYPE ZEOLITE [J].
TANAKA, T ;
HANADA, T ;
YOSHIDA, S ;
BABA, T ;
ONO, Y .
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 1993, 32 :481-483
[8]   Spontaneously induced reduction of trivalent ytterbium in synthesized crystal of calcite [J].
Tsuno, H ;
Kagi, H ;
Takahashi, Y ;
Akagi, T ;
Nomura, M .
CHEMISTRY LETTERS, 2003, 32 (06) :500-501
[9]   THE AQUEOUS GEOCHEMISTRY OF THE RARE-EARTH ELEMENTS AND YTTRIUM .2. THEORETICAL PREDICTIONS OF SPECIATION IN HYDROTHERMAL SOLUTIONS TO 350-DEGREES-C AT SATURATION WATER-VAPOR PRESSURE [J].
WOOD, SA .
CHEMICAL GEOLOGY, 1990, 88 (1-2) :99-125