The multi-purpose three-axis spectrometer (TAS) MIRA at FRM II

Abstract

The cold-neutron three-axis spectrometer MIRA is an instrument optimized for low-energy excitations. Its excellent intrinsic $Q$-resolution makes it ideal for studying incommensurate magnetic systems (elastic and inelastic). MIRA is at the forefront of using advanced neutron focusing optics such as elliptic guides, which enable the investigation of small samples under extreme conditions. Another advantage of MIRA is the modular assembly allowing for instrumental adaption to the needs of the experiment within a few hours. The development of new methods such as the spin-echo technique MIEZE is another important application at MIRA. Scientific topics include the investigation of complex inter-metallic alloys and spectroscopy on incommensurate magnetic structures.

arXiv comment5 pages, 7 figures

References in corpus (8)

• Skyrmion Lattice in a Chiral Magnet
• Fluctuation-induced first-order phase transition in Dzyaloshinskii-Moriya helimagnets
• Theory of helimagnons in itinerant quantum systems
• Helimagnon Bands as Universal Spin Excitations of Chiral Magnets
• Band structure of helimagnons in MnSi resolved by inelastic neutron scattering
• Large Scales - Long Times: Adding High Energy Resolution to SANS
• Turn-key module for neutron scattering with sub-micro-eV resolution
• Versatile module for experiments with focussing neutron guides

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• Takin: An open-source software for experiment planning, visualisation, and data analysis
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• Canted antiferromagnetism in phase-pure CuMnSb
• Nested mirror optics for neutron extraction, transport, and focusing
• Non-reciprocal magnons in non-centrosymmetric MnSi
• Tetragonal mixed system $C{s}_{2}CuC{l}_{4-x}B{r}_x$ complemented by the tetragonal phase realisation of $C{s}_{2}CuC{l}_4$
• Magnetic phase diagram of the triangular antiferromagnetic $C{s}_{2}CuC{l}_{4-x}B{r}_x$ mixed system
• Compositional Studies of Metals with Complex Order by means of the Optical Floating-Zone Technique
• Oscillatory magnetic fields for neutron resonance spin-echo spectroscopy
• Uniaxial $c$-axis pressure effects on underdoped BaFe${}_2$(As${}_{0.72}$P${}_{0.28}$)${}_2$ superconductor
• c-axis pressure induced antiferromagnetic order in optimally P-doped BaFe2(As0.70P0.30)2 superconductor
• Search for pressure-induced tricriticality in Cr
• Motion Planning for Triple-Axis Spectrometers