American Elements

 

Praseodymium

PRASEODYMIUM INFORMATION CENTER

PROPERTIES, APPLICATIONS AND RESEARCH

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PROPERTIES OF PRASEODYMIUM

Melting Point 935°C
Boiling Point 3127°C
Density 6.77 g/cm3
Crystal Structure dhcp
Metallic Radius 183 pm
Valency 3
Magnetic Moment 3.60µB

 

APPLICATIONS OF PRASEODYMIUM

Praseodymium resembles the typical trivalent rare earths, however,   it will exhibit a +4 state when stabilized in a zirconia host.  The element is found in most all light rare earth derivatives.

It is highly valued for ceramics as a bright yellow pigment in praseodymium doped zirconia because of its optimum reflectance at 560 nm.

Much research is being done on its optical properties for use in amplification of telecommunication systems, including as a doping agent in fluoride fibers.

It is also used in the scintillator for medical CAT scans.

 

RECENT PRASEODYMIUM RESEARCH

 

 

1.  Isshiki K, Kuze Y, Kubota M, et al.

    Reliable 1.01-mu m band laser diode pumped praseodymium-doped In/Ga-based

    fluoride fiber amplifiers at 1.3 mu m

    J LIGHTWAVE TECHNOL 16: (12) 2373-2377 DEC 1998

 

2.  Xu YH, Ho JC, Guan WY, et al.

    Calorimetric studies of praseodymium -induced anomalies in (Nd I -Xprx)Ba2Cu3O7

    (x= 0.1 to 0.9 and (RO.1 PrO.9)Ba2Cu3O7 (R = Nd, Gd, Ho, Er, Lu)

    HIGH TEMP-HIGH PRESS 30: (3) 291-295 1998

 

3.  Lin JP, Hwu MJ, Chang LB

     Improvement of Al/GaAs Schottky junction characteristics using a thin praseodymium

     interlayer

    JPN J APPL PHYS 2 37: (12A) L1437-LI439 DEC 1 1998

 

4.  Zhang JP, Jiang SP, Love JG, et al.

    Chemical interactions between strontium-doped praseodymium manganite and 3 mo%

    yttria-zirconia

    J MATER CHEM 8: (12) 2787-2794 DEC 1998

 

5.  Campazzi E, Solari E, Floriani C, et al.

     The fixation and reduction of dinitrogen using lanthanides: praseodymium and

     neodymium meso-octaethylporphrinogen-dinitrogen complexes

     CHEM COMMUN (23) 2603-2604 DEC 7 1998

 

6.   De M, Sinharoy PK, De SK

      Electronic structure and optical properties of praseodymium monopnictides

      PHYS LETT A 249: (1-2) 141-152 NOV 23 1998

 

7.   Joseph C, Varghese G, Ittyachen MA

    Thermal decomposition studies of neodymium praseodmium oxalate decahydrate

    crystals

    J THERM ANAL CALORIM 52: (2) 517-522 1998

 

8.  Antic-Fidancev E, Lemaitre-Blaise M, Porcher P

     Optical study of praseodymium 3+ in zircon-type orthovanadate phases

     SPECTROCHIM ACTA A 54: (13) 2151-2156 NOV 1998

 

9.  Keller B, Legendziewicz J, Glinski J

 

    Investigation of optical properties of praseodymium and cerium chlorides in

    nonaqueous solutions

    SPECTROCHIM ACTA A 54: (13) 2207-2213 NOV 1998

 

10.  Christidis PC, Tossidis IA, Paschalidis DG, et al.

      Tris (acety acetonato)(1, 10-phenanthroline)-cerium(III) and tris(acetylacetonato)(1,

      10-phenanthroline)praseodymium(III)

      ACTA CRYSTALLOGR C 54:1233-1236 Part 9 SEP 15 1998

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