Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Felix Groitl"'
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 888:218-221
A new production process allows a direct bonding of HOPG crystals on Si wafers. This new method facilitates the production of analyzer crystals with support structure without the use of additional, background inducing fixation material, e.g. glue, wa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::04cfd9e0892d141f6cfbf9cada6084cb
https://doi.org/10.1016/j.nima.2018.01.081
https://doi.org/10.1016/j.nima.2018.01.081
Autor:
A. Bollhalder, Felix Groitl, Dieter Graf, Christian Rüegg, J. O. Birk, Marek Bartkowiak, Christof Niedermayer, R.M. Bergmann, Márton Markó, Henrik M. Rønnow
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 858:30-35
Four different methods for mounting HOPG analyzer crystals on Si holders have been evaluated in the design process of the new multiplexing spectrometer CAMEA. Contrary to neutron optics used in standard spectrometers, the new instrument concept emplo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ce6e81a3cebcbd88cf93268b7759205c
https://doi.org/10.1016/j.nima.2017.03.031
https://doi.org/10.1016/j.nima.2017.03.031
Autor:
Mathias Kure, D. L. Quintero-Castro, Christof Niedermayer, J. A. Lim, Thomas Wilpert, Petr Čermák, Svyatoslav Alimov, Felix Groitl, Rasmus Toft-Petersen, Klaus Habicht, Astrid Schneidewind, Manh Duc Le
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 830:338-344
A thorough experimental characterization of a multiplexing backend with multiple energy analysis on a cold-neutron triple axis spectrometer (cTAS) is presented. The prototype employs two angular segments (2 theta-segments) each containing five vertic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::58036de291d4eaaf54511edc0d67e172
https://doi.org/10.1016/j.nima.2016.06.004
https://doi.org/10.1016/j.nima.2016.06.004
Autor:
Henrik M. Rønnow, Kim Lefmann, Niels Bech Christensen, Márton Markó, J. O. Birk, Christof Niedermayer, Fanni Juranyi, Paul Gregory Freeman, Jakob Lass, Allan B. Hansen, Felix Groitl
Publikováno v:
Markó, M, Groitl, F, Birk, J O, Freeman, P G, Lefmann, K, Christensen, N B, Niedermayer, C, Jurányi, F, Lass, J, Hansen, A & Rønnow, H M 2018, ' Prototype of the novel CAMEA concept—A backend for neutron spectrometers ', Review of Scientific Instruments, vol. 89, no. 1, 015105 . https://doi.org/10.1063/1.5018233
The continuous angle multiple energy analysis concept is a backend for both time-of-flight and analyzer-based neutron spectrometers optimized for neutron spectroscopy with highly efficient mapping in the horizontal scattering plane. The design employ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::62e8fe50a0944f32eae62f7208cd2571
https://clok.uclan.ac.uk/21349/1/1.5018233.pdf
https://clok.uclan.ac.uk/21349/1/1.5018233.pdf
Autor:
D. L. Quintero-Castro, Zita Huesges, Zhilun Lu, Rasmus Toft-Petersen, Svyatoslav Alimov, Klaus Kiefer, Manh Duc Le, Siqin Meng, Felix Groitl, Klaus Habicht, Thomas Wilpert, Alexandre Bertin, S. Gerischer
Publikováno v:
Groitl, F, Toft-Petersen, R, Quintero-Castro, D L, Meng, S, Lu, Z, Huesges, Z, Le, M D, Alimov, S, Wilpert, T, Kiefer, K, Gerischer, S, Bertin, A & Habicht, K 2017, ' MultiFLEXX-The new multi-analyzer at the cold triple-axis spectrometer FLEXX ', Scientific Reports, vol. 7, no. 1, 13637 . https://doi.org/10.1038/s41598-017-14046-z
Scientific Reports, Vol 7, Iss 1, Pp 1-12 (2017)
Scientific Reports
Scientific Reports, Vol 7, Iss 1, Pp 1-12 (2017)
Scientific Reports
The first experimental characterization of a multiple energy analysis wide angle backend for a cold triple-axis spectrometer is reported. The multi-analyzer module MultiFLEXX employs 155 detection channels which simultaneously probe an extensive rang
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a7de6c9b871c5b0045875f4bd8d51c56
http://www.helmholtz-berlin.de/pubbin/oai_publication?VT=1&ID=94770
http://www.helmholtz-berlin.de/pubbin/oai_publication?VT=1&ID=94770
Autor:
Kirrily C. Rule, M. Skoulatos, Klaus Habicht, Felix Groitl, Rasmus Toft-Petersen, D. L. Quintero-Castro, Manh Duc Le
Publikováno v:
Neutron News. 25:19-22
The cold neutron three axis spectrometer FLEXX is a work horse instrument for inelastic neutron scattering matching the sample environment capabilities for high magnetic fields up to 17.5 T and low temperatures down to 30 mK at the BER II neutron sou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ab90f24adb6a55df60e7509caa7ca738
https://doi.org/10.1080/10448632.2014.902699
https://doi.org/10.1080/10448632.2014.902699
Autor:
M. Skoulatos, Klaus Habicht, Kirrily C. Rule, Felix Groitl, Manh Duc Le, D. L. Quintero-Castro, Rasmus Toft-Petersen
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 729:220-226
The upgrade of the cold neutron triple-axis spectrometer FLEXX is described. We discuss the characterisation of the gains from the new primary spectrometer, including a larger guide and double focussing monochromator, and present measurements of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fe498ced343f7d287d985a7f9803fb1c
https://doi.org/10.1016/j.nima.2013.07.007
https://doi.org/10.1016/j.nima.2013.07.007
Publikováno v:
Physical Review B. 94
In this work, we present a neutron Larmor diffraction study of the rare-earth pyrochlores ${R}_{2}{\mathrm{Ti}}_{2}{\mathrm{O}}_{7}$ with $R=\mathrm{Tb}$, Dy, Ho. We measured the temperature dependence of the lattice parameter with precision ${10}^{\
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::beb2730b7832bdf78809fd88b49a5057
https://doi.org/10.1103/physrevb.94.174406
https://doi.org/10.1103/physrevb.94.174406
Autor:
Benedikt Fauseweh, Götz S. Uhrig, Felix Groitl, Katharina Rolfs, Klaus Habicht, Thomas Keller, David Tennant
In this article we investigate the time dependence of the gap mode of copper nitrate at various temperatures. We combine state-of-the-art theoretical calculations with high precision neutron resonance spin-echo measurements to understand the anomalou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d8fbf567407178904e1b37876b73dd39
http://arxiv.org/abs/1607.04417
http://arxiv.org/abs/1607.04417
Autor:
Henrik M. Rønnow, Uwe Filges, Christof Niedermayer, Márton Markó, J. O. Birk, Dieter Graf, Felix Groitl, Marek Bartkowiak, Christian Rüegg
Publikováno v:
The Review of scientific instruments. 87(3)
The analyzer detector system continuous angle multiple energy analysis will be installed on the cold-neutron triple-axis spectrometer RITA-2 at SINQ, PSI. CAMEA is optimized for efficiency in the horizontal scattering plane enabling rapid and detaile
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0a0feac7b6b23e2a36eaaddc5af6430a
https://pubmed.ncbi.nlm.nih.gov/27036821
https://pubmed.ncbi.nlm.nih.gov/27036821