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Characterization of the Glass-To-Vitroceramic Transition in Yttrium Aluminum Borate Laser Glasses Using Solid State NMR

Characterization of the Glass-To-Vitroceramic Transition in Yttrium Aluminum Borate Laser Glasses Using Solid State NMR

Heinz Deters, Hellmut Eckert

Solid State Nucl Magn Reson. 2012 Feb;41:48-59.

PMID: 22244244

Abstract:

The crystallization of laser glasses in the system (Y(2)O(3))(0.2){((Al(2)O(3))(x))(B(2)O(3))(0.8-x)} (0.15 ≤ x ≤ 0.40) doped with 0.5 mol% of ytterbium oxide has been investigated by x-ray powder diffraction, and various solid state NMR techniques. The crystallization process has been analyzed in a quantitative fashion by high-resolution solid state (11)B, (27)Al, and (89)Y NMR spectroscopy as well as (11)B{(27)Al} and (27)Al{(11)B} rotational echo double resonance (REDOR) experiments. The homogeneous glasses undergo major phase segregation processes resulting in crystalline Al(5)BO(9) (historically denoted as Al(18)B(4)O(33)), YBO(3), crystalline YAl(3)(BO(3))(4), residual glassy B(2)O(3), and an additional yet not identified crystalline phase ("X-phase").

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP14060301	Yttrium borate		14060-30-1	Price

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