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8–9 Dec 2022
Marriott
Europe/Berlin timezone

The small-angle scattering instrument SANS-1 at MLZ

9 Dec 2022, 14:00
3h
Marriott

Marriott

Board: P-084
Poster Neutron Methods Poster Session

Speaker

Sebastian Muehlbauer

Description

We present the features of the instrument SANS-1 at MLZ, a joint TUM and Hereon project [1]. SANS-1 features two velocity selectors and a TISANE chopper, efficiently allowing to tune flux, resolution, duty cycle and frame overlap, including time resolved measurements with repetition rates up to 10 kHz.
A second key feature is the large accessible Q-range facilitated by the sideways movement of the primary 1m2 detector. Particular attention is hence paid to effects like tube shadowing and anisotropic solid angle corrections that arise due to large scattering angles on an array of single 3He tubes, where a standard solid angle correction is no longer valid.
SANS-1 features a flexible, spacious sample stage equipped with a heavy-duty 1-ton goniometer, allowing hosting a wide range of different sample environment like a set of sample changers, magnets, ovens, a bespoke dilatometer for in-situ rapid quenching/heating and stress analysis [2] and a dedicated HF-coil system for nanomagnetic hyperthermia [3].
We show scientific highlights and current developments, e.g. a high T furnace that works as an insert for the 2.5T magnet, a future high field magnet and a pressure cell for GISANS. We also present the upgrade plans for a second detector array and a changed guide concept for a massive Q-range extension.

[1] S. Mühlbauer et al., NIMA 832, 297-305, (2016)
[2] TA Instruments, DIL805A/D/T Quenching dilatometer
[3] NB Nanoscale, D5 HF-Generator for Magnetic Hyperthermie

Primary authors

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