S. Sarti

activity

19982022

most citedWideband microwave measurements in Nb/Pd

_{84}

_{16}

/Nb structures and comparison with thin Nb films

31 citations · 160 across the 19 of their papers we have counts for

collaborators

Showing cond-mat.supr-conShow all

15 papers · 1 filter

cond-mat.supr-con2012

Superconducting and structural properties of Nb/PdNi/Nb trilayers

N. Pompeo, K. Torokhtii, C. Meneghini +7

The superconducting and structural properties of S/F/S (Superconductor/Ferromagnet/Superconductor) heterostructures have been studied by means of microwave measurements (1-20 GHz)…

cond-mat.supr-con2012★ 11 cited

Microwave properties of Nb/PdNi/Nb trilayers. Observation of flux flow in excess of Bardeen-Stephen theory

K. Torokhtii, N. Pompeo, C. Meneghini +5

We combine wideband (1-20 GHz) Corbino disk and dielectric resonator (8.2 GHz) techniques to study the microwave properties in Nb/PdNi/Nb trilayers, grown by UHV dc magnetron sputt…

cond-mat.supr-con2011★ 13 cited

Vortex motion in Nb/PdNi/Nb trilayers: new aspects in the flux flow state

K. Torokhtii, C. Attanasio, C. Cirillo +4

We study the dynamics of vortex lines in Supercondutor/Ferromagnet/Superconductor (SFS) heterostructures at microwave frequencies. We have employed swept-frequency, Corbino-disk an…

cond-mat.supr-con2010★ 31 cited

Wideband microwave measurements in Nb/Pd $_{84}$ Ni $_{16}$ /Nb structures and comparison with thin Nb films

E. Silva, N. Pompeo, S. Sarti

We present wideband microwave measurements (1-22 GHz) taken on Superconductor/Ferromagnet heterostructures with the Corbino disk technique. We apply the technique to Nb/PdNi/Nb tri…

cond-mat.supr-con2009★ 23 cited

New aspects of microwave properties of Nb in the mixed state

N. Pompeo, E. Silva, S. Sarti +2

We present a study of the frequency dependence of the vortex dynamics in a conventional superconductor. We have employed a swept-frequency, Corbino-disk technique to investigate th…

cond-mat.supr-con2006★ 1 cited

Scaling of the microwave magneto-impedance in Tl $_{2}$ Ba $_{2}$ CaCu $_{2}$ O $_{8 + δ}$ thin films

E. Silva, N. Pompeo, R. Marcon +2

We present measurements of the magnetic field-induced microwave complex resistivity changes at 47 GHz in Tl $_{2}$ Ba $_{2}$ CaCu $_{2}$ O $_{8 + δ}$ (TBCCO) thin films, in the ranges 58 K$<T<T_{…

cond-mat.supr-con2006★ 5 cited

Vortex state microwave response in superconducting cuprates and MgB $_{2}$

E. Silva, N. Pompeo, S. Sarti +1

We investigate the physics of the microwave response in YBa $_{2}$ Cu $_{3}$ O $_{7 - δ}$ , SmBa $_{2}$ Cu $_{3}$ O $_{7 - δ}$ and MgB $_{2}$ in the vortex state. We first recall the theoretical b…

cond-mat.supr-con2006

Vortex state microwave resistivity in Tl-2212 thin films

N. Pompeo, S. Sarti, R. Marcon +2

We present measurements of the field induced changes in the 47 GHz complex resistivity, $Δ ρ ~ (H, T)$ , in Tl $_{2}$ Ba $_{2}$ CaCu $_{2}$ O $_{8 + x}$ (TBCCO) thin films with $T_{c}\sime…

cond-mat.supr-con2006

Mixed-state microwave response in superconducting cuprates

E. Silva, N. Pompeo, R. Marcon +4

We report measurements of the magnetic-field induced microwave complex resistivity in REBa $_{2}$ Cu $_{3}$ O $_{7 - δ}$ thin films, with RE = Y, Sm. Measurements are performed at 48 GHz…

cond-mat.supr-con2005★ 3 cited

Mixed state microwave resistivity of cuprate superconductors

N. Pompeo, L. Muzzi, S. Sarti +8

We present a compared experimental investigation of the (a,b) plane vortex-state complex resistivity at 48 GHz in YBaCuO, SmBaCuO and BiSrCaCuO (2212). In YBaCuO and SmBaCuO the fi…

cond-mat.supr-con2004★ 7 cited

c-axis transport and phenomenology of the pseudo-gap state in $B i_{2} S r_{2} C a C u_{2} O_{8 + δ}$

M. Giura, R. Fastampa, S. Sarti +1

We measure and analyze the resistivity of $B i_{2} S r_{2} C a C u_{2} O_{8 + δ}$ crystals for different doping $δ$ . We obtain the fraction of carrier $η (T, δ) = n_{g} / n_{T O T}$ that do not participat…

cond-mat.supr-con2004

Field dependence of the microwave resistivity in SmBaCuO thin films

E. Silva, N. Pompeo, L. Muzzi +4

We report measurements of the microwave complex resistivity at 48 GHz in SmBaCuO thin films. Measurements are performed with a moderate magnetic field, $μ_{0} H <$ 0.8T, applied alon…

cond-mat.supr-con2002

High-frequency fluctuational conductivity in YBa $_{2}$ Cu $_{3}$ O $_{7 - δ}$

E. Silva, R. Marcon, R. Fastampa +2

We present measurements of the fluctuational excess conductivity at 48 GHz and 24 GHz in YBa $_{2}$ Cu $_{3}$ O $_{7 - δ}$ films above the transition temperature. The measurements depart…

cond-mat.supr-con2002★ 6 cited

Microwave fluctuational conductivity in YBa $_{2}$ Cu $_{3}$ O $_{7 - δ}$

E. Silva, R. Marcon, S. Sarti +4

We present measurements of the microwave complex conductivity at 23.9 and 48.2 GHz in YBa $_{2}$ Cu $_{3}$ O $_{7 - δ}$ films, in the fluctuational region above $T_{c}$ . With increasing t…

cond-mat.supr-con1998★ 14 cited

Anisotropic renormalized fluctuations in the microwave resistivity in YBCO

D. Neri, E. Silva, S. Sarti +4

We discuss the excess conductivity above Tc due to renormalized order-parameter fluctuations in YBCO at microwave frequencies. We calculate the effects of the uniaxial anisotropy o…