Studying the Josephson current phase relation in Bi2Se3 nanoribbons
Read our work on topological insulator Bi2Se3 nanobelt, done in collaboration with the group of Donats Erts at the University of Latvia. The paper has been recently published, fully open access, on Superconductor Science and Technology (link). In this work, we have utilized the asymmetric superconducting quantum interference device (SQUID) technique to extract the current…
Ananthu PhD thesis defense
Congratulations to Ananthu Surendran who is now Doctor, after successfully defending his PhD thesis, about “Transport properties of Bi2Se3 Topological Insulator Nanoribbon-Superconductor hybrid junctions” on December 1st!
Karn master thesis defense
Congratulations to Karn Rongrueangkul who successfully defended his Master thesis, about “Probing Electronic Nematicity and Anisotropic Electron-Phonon Coupling in Strained YBCO Nanowires” on June 12th!
New VR grant
Floriana Lombardi received a new Swedish Research Council (VR) project grant, for the period 2023-2026, with the project “Revealing strongly entangled quantum matter in High-Tc Superconductor nanodevices”. The complete list of researchers, receiving grants at Chalmers (5 in the MC2 Department!), is available here.
Determining the upper magnetic critical field in YBCO films
In the quest to increase the critical temperature of superconductors, it is essential to identify the factors that limit the strength of superconductivity. The upper critical field Hc,2 is a fundamental measure of that strength. Only in recent years, its magnitude and doping dependence has been measured in cuprate superconductors, but only when they are…
WISE PhD project accepted
WISE, the Wallenberg Initiative Material Science for Sustainability, launched during summer the first call for Academic PhD-student and postdoctoral research projects. The call was intended to attract research projects addressing sustainability challenges for materials science. After the evaluation, 90 projects have been granted, and among these the project “Strain engineering of High-Tc thin films for…
Nanometric Moiré Stripes on the Surface of Bi2Se3 TI
Read our work on topological insulator Bi2Se3 nanobelt, done in collaboration with Matteo Salvato from Università di Roma “Tor Vergata” and with the group of Donats Erts at University of Latvia. The paper has been recently published on ACS Nano (link). Mismatch between adjacent atomic layers in low-dimensional materials, generating moiré patterns, has recently emerged…
QManD @ the Nordic Nanolab User Meeting 2022
After a forced pause of a couple of years, it is finally time to meet at conferences, taking part in lectures and tutorials and discussing research ideas and results with each other. The first chance has arrived from the third Nordic Nanolab User Meeting (NNUM), which took place at Chalmers on May 5-6. The Nordic…
A new way to control quantum materials
Read our new article, ‘Restored strange metal phase through suppression of charge density waves in underdoped YBa2Cu3O7–δ’, now available in the leading scientific journal Science. The research has been led by our group, in collaboration with researchers from Politecnico di Milano, University La Sapienza, Brandenburg University of Technology and the European Synchrotron facility (ESRF). The…
Tuning the oxygen content of YBCO nanowire with electromigration
Precise control of the doping in cuprate high-Tc superconductors is fundamental for studying the phase diagram of these materials, and can have a crucial role for technological applications. We recently developed a novel procedure, in order to tune the doping of YBCO nanostructures by using an ex-situ electromigration (EM). On this topic, we have recently…
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