Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Rudolf Moellers"'
Autor:
Ian S. Gilmore, Peter S. Marshall, Melissa K. Passarelli, Alexander Makarov, Morgan R. Alexander, Dmitry Grinfeld, Stevan Horning, Rudolf Moellers, Colin T. Dollery, Andrew West, Rasmus Havelund, Ewald Niehuis, Carla F. Newman, Alexander Pirkl, Felix Kollmer, Henrik Arlinghaus
Publikováno v:
Nature Methods. 14:1175-1183
© 2017 Nature America, Inc., part of Springer Nature. All rights reserved. We report the development of a 3D OrbiSIMS instrument for label-free biomedical imaging. It combines the high spatial resolution of secondary ion mass spectrometry (SIMS; und
Autor:
Felix Kollmer, Henrik Arlinghaus, Ewald Niehuis, Sven Kayser, Alexander Pirkl, Nathan Havercroft, Rudolf Moellers
Publikováno v:
Microscopy and Microanalysis. 26:76-77
Autor:
Anja Henss, Ewald Niehuis, Wolfgang Paul, Nathan Havercroft, Felix Kollmer, Rudolf Moellers, Henrik Arlinghaus
Publikováno v:
Microscopy and Microanalysis. 24:1026-1027
Autor:
Nicholas Winograd, Ian S. Gilmore, D. Rading, Rasmus Havelund, Martin P. Seah, Ewald Niehuis, Dan Mao, Steve J. Spencer, Rudolf Moellers, Takuya Miyayama, Alexander G. Shard
Publikováno v:
Analytical Chemistry. 84:7865-7873
The depth profiling of organic materials with argon cluster ion sputtering has recently become widely available with several manufacturers of surface analytical instrumentation producing sources suitable for surface analysis. In this work, we assess
Publikováno v:
Surface and Interface Analysis. 45:171-174
Dual beam depth profiling was applied in order to investigate the possibilities and limitations of C60 and Ar cluster ion sputtering for depth profiling of polymer materials. Stability and intensity of characteristic high mass molecular ion signals a
Autor:
Morgan R. Alexander, Ewald Niehuis, Ian S. Gilmore, Rudolf Moellers, Rasmus Havelund, Alan M. Race, Alexander G. Shard, Stevan Horning, Colin T. Dollery, Melissa K. Passarelli, Alexander Makarov, Felix Kollmer, Carla F. Newman, Alexander Pirkl, Peter S. Marshall, Paulina D. Rakowska, Henrik Arlinghaus, Andrew West
Publikováno v:
Microscopy and Microanalysis. 22:340-341
Autor:
T. Tabarrant, Arnaud Delcorte, Patrick Bertrand, Laurent Houssiau, J. Brison, Ewald Niehuis, Nimer Wehbe, Rudolf Moellers, Taoufiq Mouhib
Publikováno v:
Surface and Interface Analysis. 45:178-180
The performance of Cs+, C60 + and Ar n + (with n ≈ 1700) sputtering ions have been compared for depth profiling multilayer films made from three evaporated phenylalanine layers sandwiched between four thicker evaporated tyrosine layers. Using Cs +,
Publikováno v:
Surface and Interface Analysis. 45:131-133
Autor:
Ewald Niehuis, Reinhard Kersting, Felix Kollmer, Thomas Grehl, Birgit Hagenhoff, D. Rading, Rudolf Moellers
Publikováno v:
Surface and Interface Analysis. 43:204-206
The emission of Cs + and MCs + ions from various materials like Si, Al, Ti, Fe and Zn under Bi 1 and C 60 cluster bombardment is studied in the TOF-SIMS dual-beam mode with low-energy Cs sputtering. High yield enhancements up to 2000 are observed for
Publikováno v:
Surface and Interface Analysis. 43:198-200
The dual beam mode of depth profiling has been used to investigate the influence of sputter beam energy, angle and sample rotation on the quality of organic depth profiles in a TOF-SIMS instrument. The sample under investigation was a multilayer samp