821 citations · 1.8k across the 20 of their papers we have counts for
20 papers
Nanometers-thick Ferromagnetic Surface Produced by Laser Cutting of Diamond
Annette Setzer, Pablo D. Esquinazi, Sergei Buga +8
In this work, we demonstrate that cutting diamond crystals with a laser (532~nm wavelength, 0.5~mJ energy, 200~ns pulse duration at 15~kHz) produces a nm thick surfac…
Weak electron irradiation suppresses the anomalous magnetization of N-doped diamond crystals
Annette Setzer, Pablo D. Esquinazi, Olesya Daikos +9
Several diamond bulk crystals with a concentration of electrically neutral single substitutional nitrogen atoms of ppm, the so-called C- or P1-centres, were irradiate…
Magnetization of BiSrCaCuO micrometer thin ring and its depinning line
B. Semenenko, B. C. Camargo, A. Setzer +3
We demonstrate a geometrical effect on the depinning line (DL) of the flux line lattice of the BiSrCaCuO high-T superconductor (HTSC) micrometer ring.…
Evidence for room temperature superconductivity at graphite interfaces
Pablo D. Esquinazi, Christian E. Precker, Markus Stiller +4
In the last 43 years several hints were reported suggesting the existence of granular superconductivity above room temperature in different graphite-based systems. In this paper so…
Identification of a possible superconducting transition above room temperature in natural graphite crystals
Christian E. Precker, Pablo D. Esquinazi, Ana Champi +11
Measuring with high precision the electrical resistance of highly ordered natural graphite samples from a Brazil mine, we have identified a transition at 350~K with 40~…
Influence of rhombohedral stacking order in the electrical resistance of bulk and mesoscopic graphite
M. Zoraghi, J. Barzola-Quiquia, M. Stiller +6
The electrical, in-plane resistance as a function of temperature of bulk and mesoscopic thin graphite flakes obtained from the same batch was investigated. Samples thicker t…