Polarised reflectometry with MIRA at the FRM-II

Robert Georgii; Peter Böni; Nikolai Pleshanov

doi:10.1016/S0921-4526(03)00249-7

Polarised reflectometry with MIRA at the FRM-II

Robert Georgii, Peter Böni, Nikolai Pleshanov

Natural Sciences

Research output: Contribution to journal › Conference article › peer-review

1 Scopus citations

Abstract

MIRA is the beam line for very cold neutrons (7.7 Å<λ<30 Å) at the new FRM-II neutron source. It can be operated as a classical reflectometer, working in the θ-2θ-scan mode and a horizontal reflection geometry. A q-transfer range of 7.0 × 10 ^-4 Å ^-1 <q<1.1 Å^-1 can be accessed. A flux of 2.0 × 10⁶ neutrons/cm² s at the sample is aimed for. We also plan to use a multilayer polariser and an analyser, in order to perform polarised neutron reflectometry. Furthermore, the instrument will be used for the development of new techniques. Here, the extension of the conventional polarised neutron reflectometry to 3D polarimetric reflectometry and phasometric reflectometry is foreseen as a future option of the instrument.

Original language	English
Pages (from-to)	250-254
Number of pages	5
Journal	Physica B: Condensed Matter
Volume	335
Issue number	1-4
DOIs	https://doi.org/10.1016/S0921-4526(03)00249-7
State	Published - Jul 2003
Event	Proceedings of the Fourth International Workshop on PNCMI 2002 - Julich, Germany Duration: 16 Sep 2002 → 19 Sep 2002

Keywords

3D polarimetric reflectometry
Reflectometer
Very cold neutrons

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10.1016/S0921-4526(03)00249-7

Cite this

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title = "Polarised reflectometry with MIRA at the FRM-II",

abstract = "MIRA is the beam line for very cold neutrons (7.7 {\AA}<λ<30 {\AA}) at the new FRM-II neutron source. It can be operated as a classical reflectometer, working in the θ-2θ-scan mode and a horizontal reflection geometry. A q-transfer range of 7.0 × 10 -4 {\AA} -1 -1 can be accessed. A flux of 2.0 × 106 neutrons/cm2 s at the sample is aimed for. We also plan to use a multilayer polariser and an analyser, in order to perform polarised neutron reflectometry. Furthermore, the instrument will be used for the development of new techniques. Here, the extension of the conventional polarised neutron reflectometry to 3D polarimetric reflectometry and phasometric reflectometry is foreseen as a future option of the instrument.",

keywords = "3D polarimetric reflectometry, Reflectometer, Very cold neutrons",

author = "Robert Georgii and Peter B{\"o}ni and Nikolai Pleshanov",

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note = "Proceedings of the Fourth International Workshop on PNCMI 2002 ; Conference date: 16-09-2002 Through 19-09-2002",

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AU - Georgii, Robert

AU - Böni, Peter

AU - Pleshanov, Nikolai

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N2 - MIRA is the beam line for very cold neutrons (7.7 Å<λ<30 Å) at the new FRM-II neutron source. It can be operated as a classical reflectometer, working in the θ-2θ-scan mode and a horizontal reflection geometry. A q-transfer range of 7.0 × 10 -4 Å -1 -1 can be accessed. A flux of 2.0 × 106 neutrons/cm2 s at the sample is aimed for. We also plan to use a multilayer polariser and an analyser, in order to perform polarised neutron reflectometry. Furthermore, the instrument will be used for the development of new techniques. Here, the extension of the conventional polarised neutron reflectometry to 3D polarimetric reflectometry and phasometric reflectometry is foreseen as a future option of the instrument.

AB - MIRA is the beam line for very cold neutrons (7.7 Å<λ<30 Å) at the new FRM-II neutron source. It can be operated as a classical reflectometer, working in the θ-2θ-scan mode and a horizontal reflection geometry. A q-transfer range of 7.0 × 10 -4 Å -1 -1 can be accessed. A flux of 2.0 × 106 neutrons/cm2 s at the sample is aimed for. We also plan to use a multilayer polariser and an analyser, in order to perform polarised neutron reflectometry. Furthermore, the instrument will be used for the development of new techniques. Here, the extension of the conventional polarised neutron reflectometry to 3D polarimetric reflectometry and phasometric reflectometry is foreseen as a future option of the instrument.

KW - 3D polarimetric reflectometry

KW - Reflectometer

KW - Very cold neutrons

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DO - 10.1016/S0921-4526(03)00249-7

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EP - 254

JO - Physica B: Condensed Matter

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ER -

Polarised reflectometry with MIRA at the FRM-II

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Keywords

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