Ph.D. Position in Scanning SQUID-on-tip imaging of 2D and van der Waals materials
Poggio Lab, Department of Physics
The Department of Physics at the University of Basel offers a stimulating and collaborative environment with internationally recognized research groups active in both experimental and theoretical condensed matter physics. Our group is part of the Swiss Nanoscience Institute (nanoscience.ch) and the NCCR: Quantum Science and Technology (QSIT) (nccr-qsit.ethz.ch). More information is available at poggiolab.unibas.ch and www.physik.unibas.ch .
We seek a talented and ambitious Ph.D. Student interested in mesoscopic magnetic imaging experiments based on scanning nanometer-scale superconducting quantum interference devices (SQUIDs). Building on the pioneering work of the Zeldov group (Weizmann Institute) , we now produce and employ state-of-the-art SQUID-on-tip (SOT) as magnetic and thermal scanning probes in our lab in Basel [2,3]. These devices, which feature a nanometer-scale SQUID on the apex of a sharp scanning probe tip, have magnetic field sensitivities down to 5 nT/Hz1/2 , spatial resolutions better than 50 nm, and unmatched thermal sensitivities down to 1 μK/Hz1/2 .
With such exquisite resolution and sensitivity, we plan to study the recently discovered correlated states in twisted bilayer graphene and other van der Waals (vdW) materials. The manifestations of these states range from superconductivity, to highly insulating states, to potentially magnetic states. The fragility and sensitivity of the observed states to inhomogeneities has limited their macroscopic manifestation and complicates conventional transport or magnetization measurements, which integrate over an entire sample. Sensitive nanoscale imaging of these systems is urgently required to probe their local properties.
The ability to map magnetic field and dissipation sensitively and on the nanometer-scale overcomes ensemble or spatial inhomogeneity in systems ranging from arrays of nanometer-scale magnets, to superconducting thin films, to strongly correlated states in vdW heterostructures. Local imaging of nanometer-scale magnetization , local Meissner currents , or current in edge-states  is the key to unraveling the microscopic mechanisms behind a wealth of new and poorly understood condensed matter phenomena.
- Finkler et al., Nano Lett. 10, 1046 (2010); Vasyukov et al., Nat. Nanotechnol. 8, 639 (2013).
- Vasyukov et al., Nano Lett. 18, 964 (2018)
- Ceccarelli et al., arXiv:1907.05110 (2019).
- Halbertal et al., Nature 539, 407 (2016); Halbertal et al., Science 358, 6368 (2017).
- Embon et al., Nat. Commun. 8, 85 (2017).
- Marguerite et al., arXiv:1907.08973 (2019); Uri et al., arXiv:1908.02466 (2019); Uri et al., arXiv:1908.04595 (2019)
Candidates with previous experimental physics or scanning probe microscopy experience are preferred. A Masters in physics or a related field is required. Applications should include the candidate's CV, copies of his/her diplomas, and 2 letters of reference.
We offer you
We offer the opportunity to conduct high-quality research in a dynamic and innovative scientific working environment. Salary is competitive and conditions of employment are governed by the personnel and salary regulations of the University of Basel.
All PhD fellows are expected to work in a team and collaborate with other PhD and postdoctoral fellows, as well as bachelor and master students joining the lab part of their time. Start of the project: as soon as possible. Duration: 4 years.
Application / Contact
Applications should be sent directly to Prof. Poggio (firstname.lastname@example.org, phone +41 61 207 37 61).
Postdoctoral Position In Data Omics, Katholieke Universiteit Leuven, Belgium, about 8 hours ago
(ref. BAP-2020-35) Laatst aangepast : 17/01/2020 The Laboratory of Translational Genetics (headed by Diether Lambrechts) at the VIB Center for Cancer Biology and the Department of Human Genetics i...
Ph.D. Position In Personnel And Organizational Economics, ETH, Switzerland, about 11 hours ago
favorite_border Job Type / Workload Academic: PhD Position 100% Workload 0 weekly jours Industry Education / Culture Functional Area Economy / Management Salary CHF 0 / Entry date May 1, 2020 per ...
Ph D Position In Biomedicine Vascularization In Regenerative Medicine, ETH, Switzerland, about 11 hours ago
favorite_border Job Type / Workload Academic: PhD Position 100% Workload 0 weekly jours Industry Education / Culture Functional Area Chemistry / Pharma / Medical Engineering Salary CHF 0 / Entry d...
Ph D Position In Structural And Cellular Biology, ETH, Switzerland, about 11 hours ago
favorite_border Job Type / Workload Academic: PhD Position 100% Workload 0 weekly jours Industry Education / Culture Functional Area Biology Salary CHF 0 / Entry date January 22, 2020 as agreed up...
Ph D Position, ETH, Switzerland, about 11 hours ago
favorite_border Job Type / Workload Academic: PhD Position 100% Workload 0 weekly jours Industry Education / Culture Functional Area Environment Salary CHF 0 / Entry date January 17, 2020 as agree...
Postdoc Position In Cancer Biology, Times Higher Education, United Kingdom, 1 day ago
Department: Department of Biology – Faculty of Medicine Deadline: 29 Feb 2020 Start date: March/April 2020 or upon agreement but no later than by 30th November 2020 Masaryk University, Brno, Czec...