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Chapter
Critical Current In Long Josephson Junctions : A Phase Space Approach
Long Josephson junctions, 1 i.e. junctions with at least one geometrical dimension (L,W) larger than the Josephson penetration depth λj have been matter of a great deal of theoretical2,3 and experimental4,5 work.
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Chapter and Conference Paper
Some Aspects in the Tunneling Behavior of Photosensitive Junctions
Results on the tunneling behavior of light-sensitive superconductive junctions are discussed. The evolution of the barrier parameters by illumination have been investigated.
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Article
A two channel model as a possible microscopic configuration of the “barrier” in high-T c grain boundary junctions
High-T c superconductors are intensively studied for applications such as biomagnetism, but the great difficulties in making integrated dc SQUIDs have slowed down applications ...
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Article
HTSC grain boundary weak links employing high-quality ICM sputtered YBCO films
Bicrystal grain boundary junctions of YBCO have been fabricated by using the Inverted Cylindrical Magnetron d.c. sputtering technique. The main characteristics of the junction behaviour are reported. Some aspe...
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Article
High-quality YBCO d.c. SQUIDs based on bicrystal substrates
An analysis of superconducting transport properties and magnetic behaviour of d.c. SQUIDs employing YBCO bicrystal grain boundary junctions (GBJs) has been performed. GBJs have been obtained by deposition of ac-a...
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Article
A two-channel model for transport across high T c bicrystal grain boundary junctions
This paper describes an investigation of the microscopic configuration of the “barrier” which exists at the boundary in high T c grain boundary junctions. A model for describing the properties of bicrystal and bi...
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Article
Structural investigation of YBCO films and bicrystal grain boundary junctions
We present a structural analysis of YBCO superconducting thin films fabricatedin situ by Inverted Cylindrical Magnetron (ICM) sputtering on commercial SrTiO3 single-crystal and bicrystal substrates. A detailed st...
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Article
Sputtered YBCO bicrystal dc-SQUIDS
An analysis of YBa2Cu3O7 −δ bicrystal dc-SQUIDs is reported. The devices have been fabricated by dc cylindrical magnetron sputtering from a single target. SQUIDs operating at the liquid nitrogen temperature have ...
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Chapter
A New Project on Nondestructive Evaluation with High Temperature SQUIDS
Eddy-current technique based on high temperature SQUID gradiometer is a promising tool for nondestructive evaluation of material defects which result from the machining process or ageing of electrically conduc...
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Article
Design of a NDE instrumentation prototype with high-temperature SQUIDs
Eddy currents non-destructive evaluation (NDE) consists in the use of electromagnetic techniques through which the inspection is carried out by detecting magnetic anomalies in the material under examination. T...
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Article
Interplay between structural anisotropy and order parameter symmetry effects in transport properties of YBa Cu O grain boundary Josephson junctions
We have designed an experiment that could allow to investigate, on the same sample, the interplay between the morphological anisotropy of high critical temperature superconductors and the effects related to th...
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Chapter and Conference Paper
Coherence and Entanglement in Mesoscopic Systems
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Chapter and Conference Paper
Employment of Submicron YBA2CU3O7-x Grain Boundary Junctions for the Fabrication of “ Quiet” Superconducting Flux-Qubits
The implementation of superconducting flux-qu-bits represents a challenge for the future. Superconductors offer both the scalability, typical of solid state technology, and the properties of a macroscopic quan...
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Article
Open AccessProbing transport mechanisms of BaFe2As2 superconducting films and grain boundary junctions by noise spectroscopy
An important step forward for the understanding of high-temperature superconductivity has been the discovery of iron-based superconductors. Among these compounds, iron pnictides could be used for high-field ma...
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Article
Fabrication and characterization of nanoscale n-channel (PDI8-CN2) organic two-terminal planar devices
In this paper, nanoscale organic two-terminal devices, based on evaporated films of a perylene diimide derivative (PDI8-CN2) and with channel lengths ranging from 1 μm down to 50 nm, have been fabricated by using...
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Article
Open AccessInvestigation of random telegraph signal in two junction layouts of proton irradiated CMOS SPADs
This paper focuses on the understanding of the Random Telegraph Signal (RTS) in Single-Photon Avalanche Diodes (SPAD). We studied the RTS of two different SPAD layouts, designed and implemented in a 150-nm CMO...
