PhD position in Electro-mechanics of twisted multilayer graphene stacks
ICFO- Institut de Ciencies Fotoniques
Castelldefels, Spain
hace 1 día
source : Euraxess

ICFO is offering a PhD-position in Electro-mechanics of twisted multilayer graphene stacks to well-qualified graduate student, who wish to obtain a doctoral degree in this topic.

Our PhD-program brings together top-level training and teaching for young scientists, benefiting from the extensive course offerings of local universities and focused instruction by ICFO professors, in a stimulating, international and interdisciplinary environment.

PhD-students have the opportunity to take advantage of our network of excellence, consisting in partners of national and international research institutes and universities, as well as industrial partners in the field.

The project will offer opportunities for short-middle stays in other laboratories of the consortium, expanding the interdisciplinary training of the young researcher.

Our International PhD Fellowship Program welcomes applications from individuals with a degree in a field of science and engineering related to the ICFO research activities.

Project :

The isolation of graphene sheets ushered the age of 2D materials and devices in condensed matter physics. More recently, stacks of twisted bilayer graphene have been shown to possess superconducting, correlated insulating, and magnetic states coexisting in devices with the magic angle of Superconductivity and a correlated insulating phase at first sight appear to be related, suggesting electron-electron interaction as the driving force behind superconductivity, but its nature remains elusive.

Ferromagnetic behavior has been predicted in samples where the twist angle stabilizes a non-zero Chern number band, however it is still lacking a direct experimental verification.

Magic angle twisted bilayer graphene (MATBG) thus proves to be a powerful platform to study these phases, however the underlying mechanics they rely on have yet to be explained.

To this end, this PhD project aims to exploit additional degrees of freedom offered by suspending MATBG. In these MATBG electromechanical devices, electrostatic gating will enable strain-dependent studies of these novel phases.

We will also explore the coupling of these phases with mechanical vibrations.

The successful candidate will be joining the led by Prof. Dr. Adrian Bachtold. The group has strong expertise in the fabrication of MATBG devices and their electrical characterization in the mK range.

To this end, they have access to a clean room with state-of-the-art electron beam lithography, reactive ion etching, scanning electric microscopy, and atomic force microscopy equipment, and they have three cryostats to perform transport measurements.

Offer Requirements

  • REQUIRED EDUCATION LEVEL Physics : Master Degree or equivalent
  • REQUIRED LANGUAGES ENGLISH : Excellent
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