Md
M. de Wit
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2 records found
1
Journal article
(2026)
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Kenichiro Nagayoshi, Martin de Wit, Luciano Gottardi, Emanuele Taralli, Sven Visser, Kevin Ravensberg, Marcel Bruijn, Davide Vaccaro, Jan van der Kuur, Jian Rong Gao
We developed a wafer-scale 1504-pixel Ti/Au TES X-ray microcalorimeter array at SRON as a backup technology for the NewAthena X-IFU. The improved fabrication process yields of 99% wiring integrity and uniform absorber thickness within ~10%, corresponding to minimal performance variation. These results demonstrate a high level of process maturity and support the feasibility of Ti/Au TES arrays for future space-based X-ray spectrometers.
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We developed a wafer-scale 1504-pixel Ti/Au TES X-ray microcalorimeter array at SRON as a backup technology for the NewAthena X-IFU. The improved fabrication process yields of 99% wiring integrity and uniform absorber thickness within ~10%, corresponding to minimal performance variation. These results demonstrate a high level of process maturity and support the feasibility of Ti/Au TES arrays for future space-based X-ray spectrometers.
Journal article
(2016)
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J.J.T. Wagenaar, A.M.J. Den Haan, J. Zaanen, T.H. Oosterkamp, J.M. De Voogd, L. Bossoni, T.A. De Jong, M. de Wit, K.M. Bastiaans, D.J. Thoen, A. Endo, T.M. Klapwijk
Nuclear spin-lattice relaxation times are measured on copper using magnetic-resonance force microscopy performed at temperatures down to 42 mK. The low temperature is verified by comparison with the Korringa relation. Measuring spin-lattice relaxation times locally at very low temperatures opens up the possibility to measure the magnetic properties of inhomogeneous electron systems realized in oxide interfaces, topological insulators, and other strongly correlated electron systems such as high-Tc superconductors.
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Nuclear spin-lattice relaxation times are measured on copper using magnetic-resonance force microscopy performed at temperatures down to 42 mK. The low temperature is verified by comparison with the Korringa relation. Measuring spin-lattice relaxation times locally at very low temperatures opens up the possibility to measure the magnetic properties of inhomogeneous electron systems realized in oxide interfaces, topological insulators, and other strongly correlated electron systems such as high-Tc superconductors.