Search Results - "Wördenweber, R."

Temperature-Dependent Electron Transport in Single Terphenyldithiol Molecules by Grellmann, T, Mayer, D, Offenhäusser, A, Wördenweber, R

“…Analyzing the electronic properties of individual terphenyldithiol (TPT) molecules in a temperature range of 30–300 K using cryogenic mechanically controllable…”
Get full text

Surface acoustic waves in strain-engineered K0.7Na0.3NbO3 thin films by Liang, Sijia, Dai, Yang, von Helden, L., Schwarzkopf, J., Wördenweber, R.

“…Epitaxial K0.7Na0.3NbO3 thin films are grown via metal-organic chemical vapor deposition on (110)-oriented TbScO3. The films are strained due to the…”
Get full text

Tunable surface acoustic waves on strain-engineered relaxor K0.7Na0.3NbO3 thin films by Liang, Sijia, Pfützenreuter, D., Finck, D., von Helden, L., Schwarzkopf, J., Wördenweber, R.

“…In this work, we demonstrate the electronic tunability of surface acoustic waves (SAWs) in epitaxially strained relaxor-type ferroelectric thin films…”
Get full text

Flux transport in nanostructured high-Tc films at microwave frequencies by WÖRDENWEBER, R, HOLLMANN, E, SCHUBERT, J, KUTZNER, R, PANAITOV, G

Get full text

Low dielectric loss BaNd2Ti5O14 thick films prepared by an electrophoretic deposition technique by Fu, Zhi, Wu, Aiying, Vilarinho, P. M., Kingon, A. I., Wördenweber, R.

“…Ba Nd 2 Ti 5 O 14 (BNT) films 12–52μm thick were fabricated on platinum metallic foils by electrophoretic deposition (EPD). 52-μm-thick BNT film exhibits a…”
Get full text

Ferroelectric properties of compressively strained epitaxial SrTiO3 films on sapphire by WÖRDENWEBER, R, HOLLMANN, E, ALI, Mahmood, SCHUBERT, J, PICKARTZ, G, TAI KEONG LEE

“…Magnetron sputtered and laser deposited SrTiO3 thin films were deposited on CeO2 buffered sapphire substrates. Their structural and ferroelectric properties…”
Get full text

Vortex motion in high-Tc films and a micropattern-induced phase transition by WÖRDENWEBER, R, HOLLMANN, E, SCHUBERT, J, KUTZNER, R, GHOSH, A. K

Get full text

Magneto-optical imaging of magnetic flux patterns in superconducting films with antidots by Yurchenko, V.V., Wördenweber, R., Galperin, Yu.M., Shantsev, D.V., Vestgården, J.I., Johansen, T.H.

“…We present the results of experiments on visualization of magnetic flux distribution and its dynamics in high-temperature superconductors with artificial…”
Get full text

Improved ferroelectricity of strained SrTiO3 thin films on sapphire by Wördenweber, R., Hollmann, E., Ott, R., Hürtgen, T., Lee, Tai Keong

“…Magnetron sputtered and laser deposited SrTiO 3 thin films are deposited on CeO 2 buffered sapphire substrates. Their structural properties are investigated…”
Get full text

Guidance of vortices and the vortex ratchet effect in high- T c superconducting thin films obtained by arrangement of antidots by Wördenweber, R., Dymashevski, P., Misko, V. R.

Get full text

The effect of composition and oxygen pressure on the superconducting properties of NdBa2Cu3O7-x thin films, deposited by rotatable magnetron sputtering by DE ROECK, I, DE WINTER, G, DE GRYSE, R, DENUL, J, SEGERS, A, HOLLMANN, E, WÖRDENWEBER, R

“…Rotatable magnetron sputtering is still a promising technique for scaling up of large area deposition of high temperature superconducting thin films…”
Get full text

Thermally-induced self-assembling nanotechnology of gold nano-dots on CeO2-buffered sapphire for superconducting films by Crisan, A, Wordenweber, R, Hollmann, E, Kutzner, R, Button, T W, Abell, J S

“…A typical facility for fabrication of devices based on high temperature superconducting (HTS) films grown on the less-expensive CeO2-buffered sapphire…”
Get full text

Reduction of the microwave surface resistance in YBCO thin films by microscopic defects by Einfeld, J, Lahl, P, Kutzner, R, Wördenweber, R, Kästner, G

“…The impact of microscopic defects upon the microwave properties of high- T c superconductor (HTS) films is examined. YBa 2Cu 3O 7 films with different size and…”
Get full text

On the principles of vortex localization and motion in superconductor thin films with artificially patterned cavities by Yurchenko, V., Jirsa, M., Stupakov, O., Wördenweber, R.

“…In this paper we summarize the results of our recent studies of vortex matter in high-Tc superconductors with antidots, i.e. lithographically patterned holes…”
Get full text

Microwave properties of MgB2 thin films by KLEIN, N, JIN, B. B, WÖRDENWEBER, R, LAHL, P, KANG, W. N, KIM, Hyeong-Jin, CHOI, Eun-Mi, LEE, Sung-Ik, DAHM, T, MAKI, K

“…[...] the temperature dependence of the penetration depth Î measured with a sapphire puck at 17.9 GHz can be well fitted from 5 K close to Tc by the standard…”
Get full text

Mechanism for flux guidance by micrometric antidot arrays in superconducting films by Vestgården, J. I., Yurchenko, V. V., Wördenweber, R., Johansen, T. H.

“…A study of magnetic flux penetration in a superconducting film patterned with arrays of micron-sized antidots (microholes) is reported. Magneto-optical imaging…”
Get full text

Large-area YBCO films on sapphire for microwave applications by Wordenweber, R., Einfeld, J., Kutzner, R., Zaitsev, A.G., Hein, M.A., Kaiser, T., Muller, G.

“…Crack-free thick YBa/sub 2/Cu/sub 3/O/sub 7-x/ films are prepared on CeO/sub 2/ buffered r-cut sapphire (2 inch in diameter) with thickness up to 700 nm,…”
Get full text

Preparation of regular arrays of antidots in YBa2Cu3O7 thin films and observation of vortex lattice matching effects by Castellanos, A., Wördenweber, R., Ockenfuss, G., Hart, A. v.d., Keck, K.

“…Optimized sputtered YBa2Cu3O7 (YBCO) thin films on CeO2-buffered sapphire substrates are patterned into square lattices of submicrometer holes (antidots) with…”
Get full text

Regimes of flux transport at microwave frequencies in nanostructured high- T c films by Wördenweber, R., Hollmann, E., Schubert, J., Kutzner, R., Panaitov, G.

Get full text

Electric field induced relaxor behavior in anisotropically strained SrTiO3 films by Dai, Y., Schubert, J., Hollmann, E., Wördenweber, R.

“…Electric fields can modify the dielectric response of ferroelectric and especially relaxor ferroelectric material. Since strained ferroelectric fields…”
Get full text