Zobrazeno 1 - 10
of 18
pro vyhledávání: '"K.-O. Subke"'
Publikováno v:
Physical Review B. 60:3532-3537
In Raman spectra of cuprate superconductors the gap shows up both directly, via a redistribution of the electronic background, the so-called ``$2\ensuremath{\Delta}$ peaks,'' and indirectly, e.g., via the renormalization of phononic excitations. We u
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1cb27e93332b4d125b0ac75be83b4c1c
https://doi.org/10.1103/physrevb.60.3532
https://doi.org/10.1103/physrevb.60.3532
Publikováno v:
IEEE Transactions on Appiled Superconductivity. 9:3125-3128
Ramp-edge Josephson junctions from the high-temperature superconductor YBa/sub 2/Cu/sub 3/O/sub 7/ require a multilayer preparation process. In order to increase the reproducability of the junction characteristics we investigate the subprocesses usin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d577483e4622ddf38e63f7d531715434
https://doi.org/10.1109/77.783691
https://doi.org/10.1109/77.783691
Publikováno v:
Journal of Physics and Chemistry of Solids. 59:1958-1961
We investigate Y 1− x Ca x Ba 2 Cu 3 O 7 films on SrTiO 3 (100) substrates which are overdoped due to high oxygen contents and Ca substitution. The good in-plane orientation of the c -axis-oriented films allows us to study excitations with A 1g and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b9addd460763e42bb04c544e719b199c
https://doi.org/10.1016/s0022-3697(98)00143-7
https://doi.org/10.1016/s0022-3697(98)00143-7
Publikováno v:
Physica C: Superconductivity. 299:99-112
The electrical and morphological properties of YBa 2 Cu 3 O 7 films grown on SrTiO 3 (100) substrates in a laser deposition process using a pulsed KrF excimer laser are investigated. For the first time, a quantitative order of importance of the relev
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d5251aa70048ae874afc45b6b6ce3ab
https://doi.org/10.1016/s0921-4534(97)01899-6
https://doi.org/10.1016/s0921-4534(97)01899-6
Publikováno v:
Physical Review B. 56:14797-14808
We present Raman spectra of low- and high-energy spin and charge excitations from Y{sub 1{minus}x}Pr{sub x}Ba{sub 2}Cu{sub 3}O{sub 7} and YBa{sub 2}Cu{sub 3}O{sub 6+x} thin films as well as from Y{sub 1{minus}x}Pr{sub x}Ba{sub 2}Cu{sub 3}O{sub 7} sin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::090c3db05e560c6da06cbd6e703cb573
https://doi.org/10.1103/physrevb.56.14797
https://doi.org/10.1103/physrevb.56.14797
Publikováno v:
Applied Superconductivity. 5:213-219
Three concepts of integrated magnetometers intended for biomagnetic multichannel systems are investigated: The Ketchen-type magnetometer, the multiloop magnetometer and the magnetometer with integrated multiloop pickup coil (IMPUC). The devices are f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::19e2e9e6ea85ccff2e34ea3291a7a9fe
https://doi.org/10.1016/s0964-1807(97)00047-1
https://doi.org/10.1016/s0964-1807(97)00047-1
Publikováno v:
Physica C: Superconductivity. 280:77-83
We present Raman spectra of high-energy spin excitations of a Y 0.8 Pr 0.2 Ba 2 Cu 3 O 7 thin film. At 300 K the line shapes above 600 cm −1 display a flat and structureless background in all scattering geometries. Below 200 K, weak structures deve
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b13fe856b47a4479e8d65106c169bfaa
https://doi.org/10.1016/s0921-4534(97)00154-8
https://doi.org/10.1016/s0921-4534(97)00154-8
Autor:
Ulrich Merkt, N. Dieckmann, Michael Rübhausen, E. Holzinger-Schweiger, K.-O. Subke, A. Bock, Meinhard Schilling
Publikováno v:
Physica C: Superconductivity. 272:269-276
We present Raman spectra of Y 1− x Pr x Ba 2 Cu 3 O 7 (Y 1− x P x BCO) thin films with various Pr contents on SrTiO 3 substrates. Resonant and temperature dependent studies are performed in A 1g and B 1g polarization geometry. The phononic part o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb9210a5e9095d23ce88dca0c463cd65
https://doi.org/10.1016/s0921-4534(96)00597-7
https://doi.org/10.1016/s0921-4534(96)00597-7
Autor:
V. Schultze, Meinhard Schilling, H. E. Hoenig, V. Zakosarenko, Evgeni Il'ichev, H.-G. Meyer, H. Burkhardt, K. O. Subke
Publikováno v:
Applied Physics Letters. 76:100-102
The current-phase relation (CPR) of high-Tc ramp-edge Josephson junctions (YBa2Cu3O7−x/PrBa2Cu3O7/YBa2Cu3O7−x) was investigated experimentally in the temperature range 65
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3be3369a1f716a8e6e0cecdb8deb8ef6
https://doi.org/10.1063/1.125669
https://doi.org/10.1063/1.125669
We investigate the Fano-type line shape of the Ba mode of Y_{1-x}Ca_xBa_2Cu_3O_{6+y} films observed in Raman spectra with A_1g symmetry. The line shape is described with an extended Fano formula that allows us to obtain the bare phonon parameters and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::da74dd1ce6a413a26b0c8f1d76b65b63
