Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Stefan Wilfert"'
Publikováno v:
IEEE Journal of the Electron Devices Society, Vol 7, Pp 997-1006 (2019)
With a large-area field electron emitter (LAFE), it is desirable to choose the spacings of individual emitters in such a way that the LAFE-average emission current density and total current are maximised, when the effects of electrostatic depolarizat
Externí odkaz:
https://doaj.org/article/a814b4d35f83418ea7b463f070789a7e
Autor:
Paolo Sessi, Rudro R. Biswas, Thomas Bathon, Oliver Storz, Stefan Wilfert, Alessandro Barla, Konstantin A. Kokh, Oleg E. Tereshchenko, Kai Fauth, Matthias Bode, Alexander V. Balatsky
Publikováno v:
Nature Communications, Vol 7, Iss 1, Pp 1-6 (2016)
Magnetic impurities break time reversal symmetry in topological insulators, but there has been disagreement between theory and experiment. Here, the authors study the response of topological states to magnetic dopants at the atomic level and show tha
Externí odkaz:
https://doaj.org/article/91d0dc9b12f24e3585fbe16a97d36a82
Autor:
Ronny Thomale, Matthias Bode, Artem Odobesko, Stefan Wilfert, Felix Friedrich, Domenico Di Sante, Giorgio Sangiovanni, Alexander Kowalski
The coupling of a spin to an underlying substrate is the basis for a plethora of phenomena. In the case of a metallic substrate, Kondo screening of the adatom magnetic moment can occur. As the substrate turns superconducting, an intriguing situation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2aa302eb63d812f1b2029483f3367279
Autor:
Jakob Hagen, Matthias Vogt, Johannes Jung, Stefan Heinze, Niclas Schmidt, Soumyajyoti Haldar, Stefan Wilfert, Matthias Bode, Artem Odobesko, Paolo Sessi
We have studied cleaning procedures of Nb(110) by verifying the surface quality with low-energy electron diffraction, Auger electron spectroscopy, and scanning tunneling microscopy and spectroscopy. Our results show that the formation of a surface-ne
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::55ab5b9c4229e997e3677f0a559219c5
Autor:
M. Frey, U. Blell, Stefan Wilfert, Florian Kaether, I. Pongrac, David Ondreka, R. Trockel, H.G. Koenig, Peter Spiller, Niels Pyka, T. Winkler, T. Eisel, R. Balss, Piotr Kowina, I. Petzenhauser, A. Waldt, V. Raginel, Vladimir Kornilov, D. Lens, J. Schmidt, Jan Meier, S. Klammes, Lars Bozyk, Danyal Winters, J. Blaurock, Harald Klingbeil, P. Rottlaender, Maciej Chorowski, Kei Sugita, Christian Roux, M. Schwickert, Hamlet Khodzhibagiyan, T. Giacomini, Horst Welker, Oliver Boine-Frankenheim, A. Szwangruber, P. Bartolome, V. Plyusnin, Piotr Szwangruber
Publikováno v:
Journal of Instrumentation 15(12), T12013-T12013 (2020). doi:10.1088/1748-0221/15/12/T12013
Journal of Instrumentation 15(12), T12013 - T12013 (2020). doi:10.1088/1748-0221/15/12/T12013
Published by IOP Publ., London
Published by IOP Publ., London
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7c808c250ab1e50be8736e342c0cef66
https://doi.org/10.1088/1748-0221/15/12/t12013
https://doi.org/10.1088/1748-0221/15/12/t12013
Autor:
Martin Schmitt, Laurens W. Molenkamp, Paolo Sessi, Grzegorz Karczewski, Matthias Vogt, Matthias Bode, Karl Brunner, S. Schreyeck, Stefan Wilfert, Artem Odobesko
SnTe belongs to the recently discovered class of topological crystalline insulators. Here we study the formation of line defects which break crystalline symmetry by strain in thin SnTe films. Strained SnTe(111) films are grown by molecular beam epita
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::756548880edd595d0b31054214bf5fd7
http://arxiv.org/abs/1811.12722
http://arxiv.org/abs/1811.12722
Autor:
Yew San Hor, Zhiwei Wang, Weida Wu, M. Carmen Martinez-Velarte, Paolo Sessi, Yoichi Ando, Stefan Wilfert, A. F. Otte, Henrik Schmidt, Matthias Bode, Seng Huat Lee
Publikováno v:
Physical Review B, 98(8)
Physical Review B
Physical Review B
Recently, the doping of topological insulators has attracted significant interest as a potential route towards topological superconductivity. Because many experimental techniques lack sufficient surface sensitivity, however, definite proof of the coe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aca538c2eb36802dc1a75dbef909e33d
http://arxiv.org/abs/1808.06501
http://arxiv.org/abs/1808.06501
Scanning tunneling microscopy and spectroscopy studies of the heavy-electron superconductor TlNi2Se2
Autor:
Martin Schmitt, Minghu Fang, Hangdong Wang, Henrik Schmidt, Stefan Wilfert, Matthias Bode, Paolo Sessi, Tobias Mauerer, Qianhui Mao
Publikováno v:
Physical Review B. 97
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6764ce9ccabeb57de9698e6ecd8a156d
https://doi.org/10.1103/physrevb.97.014514
https://doi.org/10.1103/physrevb.97.014514
Publikováno v:
Vakuum in Forschung und Praxis. 27:34-40
Die Messung von UHV- oder gar XHV-Drucken in Tieftemperatur-Vakuumsystemen stellt seit jeher ein messtechnisches Problem dar. Prinzipiell lassen sich zwar konventionelle Ionisationsmanometer vom Gluhkathodentyp in kryogenen Vakuumumgebungen einsetzen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b5323ebe1a31204bb67697a55f736115
https://doi.org/10.1002/vipr.201500585
https://doi.org/10.1002/vipr.201500585
Publikováno v:
Journal of Vacuum Science & Technology A. 37:031601
In cryogenic vacuum accelerator systems operated at temperatures below 20 K, hydrogen is typically the predominant residual gas component. The understanding of the cryopump mechanism of hydrogen on cryogenically refrigerated surfaces is thus a crucia
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::72c1ab1f575fa1034be21af834e3fe88
https://doi.org/10.1116/1.5086164
https://doi.org/10.1116/1.5086164