Structural and spectroscopic characterization of nominal Yb3+:Ca8 La2 (PO4)6 O2 oxyapatite single crystal fibers grown by the micro-pulling-down method

Georges Boulon, Annabel Collombet, Alain Brenier, Marie Thérèse Cohen-Adad, Akira Yoshikawa, Kheirreddine Lebbou, Jong Ho Lee, Tsugno Fukuda

研究成果: Article査読

64 被引用数 (Scopus)


Yb-doped Ca8La2(PO4)6O2 (CLPA) single crystals with the apatite-type structure and having <0001> orientation were grown by the micro-pulling-down (μ-PD) method. The apatite structure is represented by the monophased field of Ca8(La2-xYbx)(PO4)6O 2 (CLYPA) where it is assumed that 2 Ca2+ sites are substituted by La3+ and Yb3+ cations. Its monophased range was found to be from x = 0.0 to 0.2. The segregation of Yb3+ in CLPA single crystals and the maximum Yb3+ concentration are discussed. The crystallinity was studied using X-ray rocking curve analysis. Absorption, emission and fluorescence decay studies of Yb3+ ions in CLPA were also carried out both at low temperature and room temperature. Spectroscopic data reveal Yb3+ ion occupation within different crystallographic sites of the apatite-type structure. The potential for a diode-pumped Yb3+ laser is evaluated.

ジャーナルAdvanced Functional Materials
出版ステータスPublished - 2001

ASJC Scopus subject areas

  • 化学 (全般)
  • 材料科学(全般)
  • 凝縮系物理学


「Structural and spectroscopic characterization of nominal Yb<sup>3+</sup>:Ca<sub>8</sub> La<sub>2</sub> (PO<sub>4</sub>)<sub>6</sub> O<sub>2</sub> oxyapatite single crystal fibers grown by the micro-pulling-down method」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。