Zobrazeno 1 - 10
of 327
pro vyhledávání: '"Krupke, Ralph"'
Diazonium reactions with carbon nanotubes form optical $sp^3$ defects that can be used in optical and electrical circuits. We investigate a direct on-device reaction supported by confined laser irradiation and present a technique where an arbitrary c
Externí odkaz:
http://arxiv.org/abs/2203.11778
Autor:
Nagyte, Vaiva, Kelly, Daniel J., Felten, Alexandre, Picardi, Gennaro, Shin, YuYoung, Alieva, Adriana, Worsley, Robyn E., Parvez, Khaled, Dehm, Simone, Krupke, Ralph, Haigh, Sarah J., Oikonomou, Antonios, Pollard, Andrew J., Casiraghi, Cinzia
Electrochemical exfoliation is one of the most promising methods for scalable production of graphene. However, limited understanding of its Raman spectrum as well as lack of measurement standards for graphene strongly limit its industrial application
Externí odkaz:
http://arxiv.org/abs/2006.02850
Autor:
Gaulke, Marco, Janissek, Alexander, Peyyety, Naga Anirudh, Alamgir, Imtiaz, Riaz, Adnan, Dehm, Simone, Li, Han, Lemmer, Uli, Flavel, Benjamin S., Kappes, Manfred M., Hennrich, Frank, Wei, Li, Chen, Yuan, Pyatkov, Felix, Krupke, Ralph
Single walled carbon nanotubes as emerging quantum-light sources may fill a technological gap in silicon photonics due to their potential use as near infrared, electrically driven, classical or non-classical emitters. Unlike in photoluminescence, whe
Externí odkaz:
http://arxiv.org/abs/1909.05126
Autor:
Engel, Michael, Farmer, Damon B., Azpiroz, Jaione Tirapu, Seo, Jung-Woo T., Kang, Joohoon, Avouris, Phaedon, Hersam, Mark C., Krupke, Ralph, Steiner, Mathias
Controlled placement of nanomaterials at predefined locations with nanoscale precision remains among the most challenging problems that inhibit their large-scale integration in the field of semiconductor process technology. Methods based on surface f
Externí odkaz:
http://arxiv.org/abs/1802.07599
Autor:
Du, Renjun, Liu, Ming-Hao, Mohrmann, Jens, Wu, Fan, Krupke, Ralph, Löhneysen, Hilbert v., Richter, Klaus, Danneau, Romain
Publikováno v:
Phys. Rev. Lett. 121, 127706 (2018)
We show that in gapped bilayer graphene, quasiparticle tunneling and the corresponding Berry phase can be controlled such that it exhibits features of single layer graphene such as Klein tunneling. The Berry phase is detected by a high-quality Fabry-
Externí odkaz:
http://arxiv.org/abs/1703.07260
Autor:
Kraft, Rainer, Mohrmann, Jens, Du, Renjun, Selvasundaram, Pranauv Balaji, Irfan, Muhammad, Kanilmaz, Umut Nefta, Wu, Fan, Beckmann, Detlef, von Löhneysen, Hilbert, Krupke, Ralph, Akhmerov, Anton, Gornyi, Igor, Danneau, Romain
Publikováno v:
Nature Commun. 9, 1722 (2018)
The Josephson effect is one of the most studied macroscopic quantum phenomena in condensed matter physics and has been an essential part of the quantum technologies development over the last decades. It is already used in many applications such as ma
Externí odkaz:
http://arxiv.org/abs/1702.08773
Akademický článek
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Akademický článek
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Autor:
Riaz, Adnan, Pyatkov, Feliks, Alam, Asiful, Dehm, Simone, Felten, Alexandre, Chakravadhanula, Venkata S. K., Flavel, Benjamin S., Kübel, Christian, Lemmer, Uli, Krupke, Ralph
Publikováno v:
Nanotechnology 26 (2015) 325202
Graphene is of increasing interest for optoelectronic applications exploiting light detection, light emission and light modulation. Intrinsically light matter interaction in graphene is of a broadband type. However by integrating graphene into optica
Externí odkaz:
http://arxiv.org/abs/1610.05513
Publikováno v:
Nanotechnology 27 (2016) 375706
The length of single-walled carbon nanotubes (SWCNTs) is an important metric for the integration of SWCNTs into devices and for the performance of SWCNT-based electronic or optoelectronic applications. In this work we propose a rather simple method b
Externí odkaz:
http://arxiv.org/abs/1610.05479