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Towards neutron sca...
Towards neutron scattering experiments with sub-millisecond time resolution
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- Adlmann, Franz A. (författare)
- Uppsala universitet,Materialfysik
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Gutfreund, P. (författare)
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Ankner, J. F. (författare)
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visa fler...
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Browning, J. F. (författare)
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Parizzi, A. (författare)
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Vacaliuc, B. (författare)
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Halbert, C. E. (författare)
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Rich, J. P. (författare)
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- Dennison, A. J. C. (författare)
- Uppsala universitet,Materialfysik
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- Wolff, Max (författare)
- Uppsala universitet,Materialfysik
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(creator_code:org_t)
- 2015
- 2015
- Engelska.
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Ingår i: Journal of applied crystallography. - 0021-8898 .- 1600-5767. ; 48, s. 220-226
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Neutron scattering techniques offer several unique opportunities in materials research. However, most neutron scattering experiments suffer from the limited flux available at current facilities. This limitation becomes even more severe if time-resolved or kinetic experiments are performed. A new method has been developed which overcomes these limitations when a reversible process is studied, without any compromise on resolution or beam intensity. It is demonstrated that, by recording in absolute time the neutron detector events linked to an excitation, information can be resolved on sub-millisecond timescales. Specifically, the concept of the method is demonstrated by neutron reflectivity measurements in time-of-flight mode at the Liquids Reflectometer located at the Spallation Neutron Source, Oak Ridge National Laboratory, Tennessee, USA, combined with in situ rheometry. The opportunities and limitations of this new technique are evaluated by investigations of a micellar polymer solution offering excellent scattering contrast combined with high sensitivity to shear.
Ämnesord
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
Nyckelord
- neutron scattering
- in situ rheology
- block copolymers
- time-resolved studies
- surface kinetics
- large amplitude oscillatory shear (LAOS)
- time-of-flight reflectometry
Publikations- och innehållstyp
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- art (ämneskategori)
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Till lärosätets databas
- Av författaren/redakt...
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Adlmann, Franz A ...
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Gutfreund, P.
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Ankner, J. F.
-
Browning, J. F.
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Parizzi, A.
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Vacaliuc, B.
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visa fler...
-
Halbert, C. E.
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Rich, J. P.
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Dennison, A. J. ...
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Wolff, Max
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visa färre...
- Om ämnet
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- NATURVETENSKAP
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NATURVETENSKAP
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och Fysik
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och Annan fysik
- Artiklar i publikationen
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Journal of appli ...
- Av lärosätet
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Uppsala universitet