Zobrazeno 1 - 10
of 95
pro vyhledávání: '"Katan, Allard"'
Autor:
Stolte, Evert W., Lee, Jinwon, Vennema, Hester, Broekhoven, Rik, Teng, Esther, Katan, Allard, Veldman, Lukas M., Willke, Philip, Otte, Sander
Nuclear spins owe their long-lived magnetic states to their excellent isolation from their environment. At the same time, a limited degree of interaction with their surroundings is necessary for reading and writing the spin state. Detailed knowledge
Externí odkaz:
http://arxiv.org/abs/2410.08704
The Kinetoplast DNA (kDNA) is a two-dimensional Olympic-ring-like network of mutually linked 2.5 kb-long DNA minicircles found in certain parasites called Trypanosomes. Understanding the self-assembly and replication of this structure are not only ma
Externí odkaz:
http://arxiv.org/abs/2209.01293
Autor:
Simon, Brecht G., Kurdi, Samer, Carmiggelt, Joris J., Borst, Michael, Katan, Allard, van der Sar, Toeno
Publikováno v:
Nano Lett. 2022, 22, 22, 9198-9204
Nitrogen-vacancy (NV) magnetometry is a new technique for imaging spin waves in magnetic materials. It detects spin waves by their microwave magnetic stray fields, which decay evanescently on the scale of the spin-wavelength. Here, we use nanoscale c
Externí odkaz:
http://arxiv.org/abs/2207.02798
Autor:
Simon, Brecht G., Kurdi, Samer, La, Helena, Bertelli, Iacopo, Carmiggelt, Joris J., Ruf, Maximilian, de Jong, Nick, Berg, Hans van den, Katan, Allard, van der Sar, Toeno
Publikováno v:
Nano Lett. 21, 19, 8213-8219 (2021)
Controlling magnon densities in magnetic materials enables driving spin transport in magnonic devices. We demonstrate the creation of large, out-of-equilibrium magnon densities in a thin-film magnetic insulator via microwave excitation of coherent sp
Externí odkaz:
http://arxiv.org/abs/2108.00467
Semi-permeable membranes are important elements in water purification and energy generation applications, for which the atomic thickness and strength of graphene can enhance efficiency and permeation rate while maintaining good selectivity. Here, we
Externí odkaz:
http://arxiv.org/abs/2009.03729
Publikováno v:
Phys. Rev. Applied 16, 024049 (2021)
We study experimentally the free-space electro-magnetic field emitted from a multimode rectangular waveguide equipped with a diagonal-horn antenna. Using the frequency range of 215-580 GHz, a photo-mixer is used to launch a free-space circularly-pola
Externí odkaz:
http://arxiv.org/abs/2002.03200
Publikováno v:
AIP Advances 10, 015008 (2020)
We study experimentally the transmission of an electro-magnetic waveguide in the frequency range from 160 to 300 GHz. Photo-mixing is used to excite and detect the fundamental TE10 mode in a rectangular waveguide with two orders-of-magnitude lower im
Externí odkaz:
http://arxiv.org/abs/1909.08976
Autor:
Thierschmann, Holger, Cetinay, Hale, Finkel, Matvey, Katan, Allard J., Westig, Marc P., Van Mieghem, Piet, Klapwijk, Teun M.
Publikováno v:
Phys. Rev. Applied 13, 014039 (2020)
We study the electrodynamic impedance of percolating conductors with a pre-defined network topology using a scanning microwave impedance microscope (sMIM) at GHz frequencies. For a given percolation number we observe strong spatial variations across
Externí odkaz:
http://arxiv.org/abs/1908.09810
Autor:
Finkel, Matvey, Thierschmann, Holger, Katan, Allard J., Westig, Marc P., Spirito, Marco, Klapwijk, Teun M.
Publikováno v:
Rev. Sci. Inst. 90, 113701 (2019)
We have realized a microstrip based THz near field cantilever which enables quantitative measurements of the impedance of the probe tip at THz frequencies (0.3 THz). A key feature is the on-chip balanced hybrid coupler which serves as an interferomet
Externí odkaz:
http://arxiv.org/abs/1906.11810
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