Sessi, V., Kuhnke, K., Enders, A., Zhang, J., Bencok, P., Bornemann, S., ...
The growth dynamics of submonolayer coverages of Cobalt during buffer layer assisted growth on Ag(111) and Pt(111) substrates is investigated by variable temperature scanning tunneling microscopy in...
Magnetism of FePt surface alloys (2009)
Honolka, J., Lee, T. Y., Kuhnke, K., Enders, A., Skomski, R., Bornemann, S., ...
Complex magnetic phase in submonolayer Fe stripes on Pt(977) (2009)
Honolka, J., Lee, T. Y., Kuhnke, K., Repetto, D., Sessi, V., Wahl, P., ...
Complex domain wall dynamics in compressively strained GaMnAs epilayers (2008)
Diez, L. Herrera, Kremer, R. K., Enders, A., Rössle, M., Arac, E., Honolka, J., ...
The domain wall induced reversal dynamics in compressively strained GaMnAs was studied employing the magneto-optical Kerr effect and Kerr microscopy. Due to the influence of an uniaxial part in the...
Herr Prof, Dr. G. Wollenberg, Herr Prof, Dr. A. Enders
zur Verleihung des akademischen Grades Doctor rerum naturalium habilitatus (Dr. rer. nat. habil.) genehmigt von der Fakultät für Elektrotechnik und Informationstechnik der...
Absence of local magnetic moments in Ru and Rh impurities and clusters on Ag(100) and Pt(997) (2007)
Honolka, J., Kuhnke, K., Vitali, Lucia, Enders, A., Kern, Klaus, Gardonio, S., ...
6 pages, 5 figures.-- PACS nrs.: 75.20.Hr; 78.20.Ls; 78.70.Dm.-- ArXiv pre-print available at: http://arxiv.org/abs/0708.3975
Absence of local magnetic moments in Ru and Rh impurities and clusters on Ag(100) and Pt(997) (2007)
Honolka, J., Kuhnke, K., Vitali, L., Enders, A., Kern, K., Gardonio, S., ...
The magnetism of quench-condensed Ru and Rh impurities and metal films on Ag(100) and Pt(997) has been studied using x-ray magnetic circular dichroism. In the coverage range between 0.22 ML and 2.0...
Magnetic Anisotropy of Deposited Transition Metal Clusters (2007)
Bornemann, S., Minár, J., Staunton, J. B., Honolka, J., Enders, A., Kern, K., ...
We present results of magnetic torque calculations using the fully relativistic spin-polarized Korringa-Kohn-Rostoker approach applied to small Co and Fe clusters deposited on the Pt(111) surface....
Structure and magnetism of atomically thin Fe layers on flat and vicinal Pt surfaces (2006)
Repetto, D., Lee, T. Y., Rusponi, S., Honolka, J., Kuhnke, K., Sessi, V., ...
8 pages, 11 figures.-- PACS nrs.: 75.30.Gw; 75.30.Kz; 75.50.Bb; 75.70.Ak.
Magnetism of Fe clusters and islands on Pt surfaces (2006)
Repetto, D., Honolka, J., Rusponi, S., Brune, H., Enders, A., Kern, K.
Clusters and islands of Fe atoms have been prepared by noble gas buffer layer assisted growth as well as by standard molecular beam epitaxy on Pt substrates. Xe buffer layers have been utilized to...
Coupled perpendicular magnetization in Fe/Cu/Fe trilayers (2006)
Repetto, D., Enders, A., Kern, K.
Ultrathin epitaxial Fe films on Cu(100) with perpendicular magnetization have been used as templates for the preparation of FCC Fe/Cu/Fe trilayers. The magnetic anisotropy and the coupling of these...
Structure and magnetism of atomically thin Fe layers on flat and vicinal Pt surfaces (2006)
Repetto, D., Lee, T. Y., Rusponi, S., Honolka, J., Kuhnke, K., Sessi, V., ...
Magic alkali-fullerene compound clusters of extreme thermal stability (2006)
Enders, A., Malinowski, N., Ievlev, D., Zurek, E., Autschbach, J., Kern, K.
The thermal stability of free pure C-60-, as well as C-60-alkali, and -alkaline-earth metal compound clusters is investigated. We find that small (C-60)(m)-clusters (m
Structure and magnetism of atomically thin Fe layers on flat and vicinal Pt surfaces (2006)
Repetto, D., Lee, T. Y., Rusponi, S., Honolka, J., Kuhnke, K., Sessi, V., ...
Ultrathin Fe films on Pt substrates have been investigated under ultrahigh vacuum conditions by scanning tunneling microscopy, low energy electron diffraction, magneto-optical Kerr effect, x-ray...
Magnetism of Fe clusters and islands on Pt surfaces (2006)
Repetto, D., Honolka, J., Rusponi, S., Brune, H., Enders, A., Kern, K.
Clusters and islands of Fe atoms have been prepared by noble gas buffer layer assisted growth as well as by standard molecular beam epitaxy on Pt substrates. Xe buffer layers have been utilized to...
T. Schrader, K. Münter, M. Spitzer, N. Eulig, A. Enders
We present a method for the evaluation of measurement uncertainty in radiated EMC tests. It is based on the measurement of surface current densities on a sphere, the results are compared to the...
Stripes are stars! Pt helps Fe to stay magnetised (2005)
Kuhnke, K., Lee, T. Y., Enders, A., Honolka, J., Heßler, M., Fauth, K., ...
Spin-dependent transport in Fe and Fe/Au multilayers (2005)
Monchesky, T., Enders, A., Urban, R., Myrtle, K., Heinrich, B., ...
Achievable field strength in reverberation chambers (2003)
N. Eulig, A. Enders, H. G. Krauthäuser, J. Nitsch
Feldvariable Kammern (FVK, engl.: modestirred- chamber) werden unter anderem für EMV-Störfestigkeitsprüfungen verwendet. Ein häufig genanntes Argument, das die Einführung dieser Kammern als...
A combined heating cooling stage for cluster thermalization in the gas phase (2003)
Ievlev, D. N., Küster, A., Enders, A., Malinowski, N., Schaber, H., Kern, K.
Temperature dependence of the surface anisotropy of Fe ultrathin films on Cu(001) (2003)
Enders, A., Peterka, D., Repetto, D., Lin, N., Dmitriev, A., Kern, K.
Structural transition in (C60)n clusters (2002)
Branz, W., Malinowski, N., Enders, A., Martin, T. P.
The structure of (C-60)(n) clusters (n=1-150) was investigated by heating them to definite temperatures in a helium bath (heating cell) with subsequent characterization in a time-of- flight mass...
Peterka, D., Enders, A., Haas, G., Kern, K.
Adsorbate and thermally induced changes of the spin reorientation transition in Fe wedges grown at 140 K on Cu(001) substrates are investigated by the magneto-optical Kerr effect and Kerr microscopy....
Stress, strain and magnetostriction in epitaxial films (2002)
Sander, D., Ouazi, S., Enders, A., Gutjahr-Löser, Th, Stepanyuk, V. S., Bazhanov, D. I., ...
Iron and nickel surface and interfere anisotropies (1998)
Skomski, Ralph, Sander, D., Schmidthals, C., Enders, A., Kirschner, J.
The anisotropy of fcc (111) Fe/Ni and Fe/Ni/Fe layers is investigated. The films exhibit an oscillating behavior of the preferential magnetization direction depending on whether the surface layer is...
Hein, OV, Tessmann, J-P, Misterek, K, Enders, A, Sanft, C, Schaffartzik, W, ...
No abstract available.
Schubert, U., Breitscheidel, B., Enders, A., Marquardt, P., Nimtz, G.
Composite materials are used as dielectrica in electrical apparatus and components. Said composite materials are obtained a) by subjecting to the conditions of a complex forming reaction and...
High coercive Field and Film Stress for epitaxial Monolayers of Fe on W(110) (1996)
Sander, D., Enders, A., Skomski, Ralph, Kirschner, J.
Elastic and magnetic properties of ultra-thin iron films on tungsten(110) are investigated. In situ film stress measurements during growth show stress values of 25 GPa per deposited monolayer. Our...
Is these Spin-Glass Exchange in Ultrathin Fe(110) Films ? (1996)
Skomski, Ralph, Sander, D., Enders, A., Kirschner, J.
The magnetism of sesquilayer bcc iron films on W(110) is investigated. Coercivity data and theoretical calculations that the freezing of the magnetization at low temperatures reflects...
Film Stress and Domain Wall Pinning in Sesquilayer Iron Films on W(110) (1996)
Sander, D., Skomski, Ralph, Schmidthals, C., Enders, A., Kirschner, J.
We present an in situ investigation of the correlation between elastic and magnetic properties of monolayer iron films on W(110). Sesquilayers, consisting of two-monolayer patches on a nearly ideal...
Computer Simulations of Dielectric and Magnetic Composite Media Including Dissipation (1995)
A method of simulating dissipative effective media with both dielectric and magnetic material properties is presented. As far as particles with random distribution are concerned, the effective...
Computer Simulations of Dielectric and Magnetic Composite Media Including Dissipation (1995)
A method of simulating dissipative effective media with both dielectric and magnetic material properties is presented. As far as particles with random distribution are concerned, the effective...
Computer Simulations of Dielectric and Magnetic Composite Media Including Dissipation (1995)
A method of simulating dissipative effective media with both dielectric and magnetic material properties is presented. As far as particles with random distribution are concerned, the effective...
Photonic tunneling times (1994)
Nimtz, G., Enders, A., Spieker, H.
We report on resonant and non-resonant photonic tunneling experiments. Resonant tunneling of wave packets has revealed a light localization, whereas the non-resonant barrier tunneling has...
Photonic tunneling times (1994)
Nimtz, G., Enders, A., Spieker, H.
We report on resonant and non-resonant photonic tunneling experiments. Resonant tunneling of wave packets has revealed a light localization, whereas the non-resonant barrier tunneling has...
Photonic tunneling times (1994)
Nimtz, G., Enders, A., Spieker, H.
We report on resonant and non-resonant photonic tunneling experiments. Resonant tunneling of wave packets has revealed a light localization, whereas the non-resonant barrier tunneling has...
Zero-time tunneling of evanescent mode packets (1993)
Recent frequency domain experiments and a corresponding Fourier analysis have shown that the transport of evanescent mode packets in an undersized waveguide may be superluminal. Here we report on...
Zero-time tunneling of evanescent mode packets (1993)
Recent frequency domain experiments and a corresponding Fourier analysis have shown that the transport of evanescent mode packets in an undersized waveguide may be superluminal. Here we report on...
Zero-time tunneling of evanescent mode packets (1993)
Recent frequency domain experiments and a corresponding Fourier analysis have shown that the transport of evanescent mode packets in an undersized waveguide may be superluminal. Here we report on...
Numerical simulation of random composite dielectrics (1992)
Stölzle, S., Enders, A., Nimtz, G.
A novel computer simulation method is presented for the non-dissipative dielectric response of binary mixtures. It is based on the discretization of Maxwell's equations and thus takes into account...
Numerical simulation of random composite dielectrics. II. Simulations including dissipation (1992)
Stölzle, S., Enders, A., Nimtz, G.
A simulation model presented earlier for the permittivity of a composite material has now been extended to include the dissipation of energy inside the medium. It is employed to calculate the complex...
On superluminal barrier traversal (1992)
We report on microwave measurements of barrier traversal time of electromagnetic wave packets in an undersized waveguide. This time was significantly shorter than the ratio L/c, with L the barrier...
The realization of dielectrics with a metal-like dispersion. (1992)
Marquardt, P., Nimtz, G., Pelster, R., Enders, A., Eifert, H., Friedrich, K., ...
Novel dielectrics are realized by percolating networks of sub-mym metal particles embedded in conventional dielectric materials. Their dielectric function epsilon = epsilon1 + i-epsilon2 was...
Numerical simulation of random composite dielectrics (1992)
Stölzle, S., Enders, A., Nimtz, G.
A novel computer simulation method is presented for the non-dissipative dielectric response of binary mixtures. It is based on the discretization of Maxwell's equations and thus takes into account...
Numerical simulation of random composite dielectrics. II. Simulations including dissipation (1992)
Stölzle, S., Enders, A., Nimtz, G.
A simulation model presented earlier for the permittivity of a composite material has now been extended to include the dissipation of energy inside the medium. It is employed to calculate the complex...
On superluminal barrier traversal (1992)
We report on microwave measurements of barrier traversal time of electromagnetic wave packets in an undersized waveguide. This time was significantly shorter than the ratio L/c, with L the barrier...
Numerical simulation of random composite dielectrics (1992)
Stölzle, S., Enders, A., Nimtz, G.
A novel computer simulation method is presented for the non-dissipative dielectric response of binary mixtures. It is based on the discretization of Maxwell's equations and thus takes into account...
Numerical simulation of random composite dielectrics. II. Simulations including dissipation (1992)
Stölzle, S., Enders, A., Nimtz, G.
A simulation model presented earlier for the permittivity of a composite material has now been extended to include the dissipation of energy inside the medium. It is employed to calculate the complex...
On superluminal barrier traversal (1992)
We report on microwave measurements of barrier traversal time of electromagnetic wave packets in an undersized waveguide. This time was significantly shorter than the ratio L/c, with L the barrier...
A novel class of dielectrics for microwave and high-frequency applications (1991)
Enders, A., Eifert, H., Friedrich, K., Marquardt, P., Nimtz, G., Pelster, R., ...
Metal-particles of the submicrometer size range are embedded in conventional dielectric materials. The resulting electromagnetic behavior of such a heterostructured dielectric shows novel properties...
MRUSEK, S, MARX, A, KÜMMERLE-DESCHNER, J, TZARIBACHEV, N, ENDERS, A, RIEDE, U-N, ...
Common variable immunodeficiency (CVID) is a heterogeneous immunodeficiency that is accompanied by granulomatous lesions in 5–10% of cases. Why some patients develop granulomatous disease remains...