Densified low-hygroscopic form of P $_{2}$ O $_{5}$ glass

Brazhkin, V. V.*; Akola, J.*; Katayama, Yoshinori; Kohara, Shinji*; Kondrin, M. V.*; Lyapin, A. G.*; Lyapin, S. G.*; Tricot, G.*; Yagafarov, O.

P $_{2}$ O $_{5}$ compound is an archetypical glass-forming oxide with a high hygroscopicity. We found that the quenching from the P $_{2}$ O $_{5}$ melt under ultrahigh pressures enables obtaining densified P $_{2}$ O $_{5}$ glasses with a residual densification up to 12% at normal conditions. These glasses have a low hygroscopicity and can exist under air conditions for several weeks. An examination of the structure of the new form of P $_{2}$ O $_{5}$ glass reveals a cardinal decrease of the volume of nanovoids in the glassy matrix.

Language	:	English
Journal	:	Journal of Materials Chemistry
Volume	:	21
Number	:	28
Pages	:	p.10442 - 10447
Publication Year/Month	:	2011/07
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Paper URL	:	https://doi.org/10.1039/c1jm10889a
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Keywords	:	no keyword
Research Facility	:	SPring-8(大型放射光施設)
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Registration No. : AA20110379
JAEA Abstracts No. :
Paper Submission No. : 11336

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Densified low-hygroscopic form of PO glass

Densified low-hygroscopic form of P $_{2}$ O $_{5}$ glass