Positron trap states in amorphous and crystalline conjugated polydiacetylene polymers

K. C. Lim; W. F. Huang; Z. J. Xu; F. G. Yamagishi; M. A. Schen; T. C. Chung

doi:10.1016/0375-9601(89)90180-1

Positron trap states in amorphous and crystalline conjugated polydiacetylene polymers

K. C. Lim, W. F. Huang, Z. J. Xu, F. G. Yamagishi, M. A. Schen, T. C. Chung

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Abstract

The temperature dependence of the lineshapes S(T) of the Doppler broadened annihilation radiation (DBAR) for polydiacetylenes, amorphous and polycrystalline poly(4BCMU) and crystalline poly(PTS) was investigated experimentally. Away from the transition temperatures dS(T)/T=0 for crystalline polymers, while a significant dS(T)/dT=0.0002/°C was measured for the amorphous polymer. A detailed analysis on the types of trap states that could account for such difference is presented.

Original language	English (US)
Pages (from-to)	164-168
Number of pages	5
Journal	Physics Letters A
Volume	142
Issue number	2-3
DOIs	https://doi.org/10.1016/0375-9601(89)90180-1
State	Published - Dec 4 1989

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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title = "Positron trap states in amorphous and crystalline conjugated polydiacetylene polymers",

abstract = "The temperature dependence of the lineshapes S(T) of the Doppler broadened annihilation radiation (DBAR) for polydiacetylenes, amorphous and polycrystalline poly(4BCMU) and crystalline poly(PTS) was investigated experimentally. Away from the transition temperatures dS(T)/T=0 for crystalline polymers, while a significant dS(T)/dT=0.0002/°C was measured for the amorphous polymer. A detailed analysis on the types of trap states that could account for such difference is presented.",

author = "Lim, {K. C.} and Huang, {W. F.} and Xu, {Z. J.} and Yamagishi, {F. G.} and Schen, {M. A.} and Chung, {T. C.}",

year = "1989",

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T1 - Positron trap states in amorphous and crystalline conjugated polydiacetylene polymers

AU - Lim, K. C.

AU - Huang, W. F.

AU - Xu, Z. J.

AU - Yamagishi, F. G.

AU - Schen, M. A.

AU - Chung, T. C.

PY - 1989/12/4

Y1 - 1989/12/4

N2 - The temperature dependence of the lineshapes S(T) of the Doppler broadened annihilation radiation (DBAR) for polydiacetylenes, amorphous and polycrystalline poly(4BCMU) and crystalline poly(PTS) was investigated experimentally. Away from the transition temperatures dS(T)/T=0 for crystalline polymers, while a significant dS(T)/dT=0.0002/°C was measured for the amorphous polymer. A detailed analysis on the types of trap states that could account for such difference is presented.

AB - The temperature dependence of the lineshapes S(T) of the Doppler broadened annihilation radiation (DBAR) for polydiacetylenes, amorphous and polycrystalline poly(4BCMU) and crystalline poly(PTS) was investigated experimentally. Away from the transition temperatures dS(T)/T=0 for crystalline polymers, while a significant dS(T)/dT=0.0002/°C was measured for the amorphous polymer. A detailed analysis on the types of trap states that could account for such difference is presented.

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EP - 168

JO - Physics Letters A

JF - Physics Letters A

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ER -

Positron trap states in amorphous and crystalline conjugated polydiacetylene polymers

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