Effect of hydrogen bonding on low temperature positronium formation in frozen hexanol

被引：4

作者：

Suzuki, T. ^{[1
]}

Yu, R. S. ^{[2
]}

Shantarovich, V. P. ^{[3
]}

Ito, Y. ^{[1
]}

Kondo, K. ^{[1
]}

机构：

[1] High Energy Accelerator Res Org KEK, Tsukuba, Ibaraki 3030801, Japan

[2] Chinese Acad Sci, IHEP, Beijing 100039, Peoples R China

[3] Russian Acad Sci, NN Semenov Inst Chem Phys, Moscow 119991, Russia

来源：

PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 4, NO 10 | 2007年 / 4卷 / 10期

关键词：

D O I：

10.1002/pssc.200675794

中图分类号：

O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];

学科分类号：

070203 ; 070304 ; 081704 ; 1406 ;

摘要：

The increase of positronium (Ps) formation in polymers (polyethylene and PMMA) cooled below the freezing temperature of molecular motions has been widely accepted to be due to positron interaction with weakly bound (trapped) electrons. For the first time, we will present results on a more complicated effect for monomers: in frozen hexanol below 100 K increase of ortho-Ps intensity (13) with elapsed time of the experiment could be inhibited by bleaching and therefore had the traditional explanation. However, around 200 K the increase Of 13 with elapsed time was not affected by light and had different nature, namely, reducing of inhibition effect due to formation of hydrogen bonds typical for the solid state structure. (c) 2007 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：3706 / +

页数：2

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