Small-angle neutron scattering study of dynamically polarized polyethylenes

Noda, Yohei; Kumada, Takayuki ; Hashimoto, Takeji; Koizumi, Satoshi

We polarized hydrogen nuclear spins of polyethylene samples, doped with organic radical (TEMPO), by use of a dynamic nuclear polarization (DNP) technique, in which the sample was irradiated by microwave (94 GHz) at 3.3 Tesla and 1.4 K. For the samples under the DNP state, we conducted small-angle scattering experiments with polarized neutrons. For the sample with low crystallinity (polarization: 32%), the shift of the incoherent scattering level was observed. For the sample with high crystallinity (polarization: 23%), the enhancement of the coherent scattering due to the crystalline structure was observed.

Language	:	English
Journal	:	Physica B; Condensed Matter
Volume	:	404
Number	:	17
Pages	:	p.2572 - 2574
Publication Year/Month	:	2009/09
Meeting title	:	7th International Workshop on Polarized Neutrons in Condensed Matter Investigations and 2nd International Symposium of Quantum Beam Science Directorate (PNCMI 2008/QuBS 2008)
Held date	:	2008/09
Location (city)	:	Tokai
Location (country)	:	Japan
Patent information	:
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Paper URL	:	https://doi.org/10.1016/j.physb.2009.06.028
DOI for research data	:
Keywords	:	no keyword
Research Facility	:	JRR-3M(研究炉3)
Press Release	:
Article of JAEA R&D Review	:
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Registration No. : BB20081735
JAEA Abstracts No. : 37001382
Paper Submission No. : 6397

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