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EMFL Highlights2019-09-24T12:06:02+00:00

Photo (©) Radboud Universiteit/Dick van Aalst
503, 2019

ELECTRON-HOLE TUNNELING IN MOMENTUM SPACE REVEALED BY QUANTUM OSCILLATIONS

March 5th, 2019|SCI Highlights|0 Comments

M. van Delft, S. Pezzini, T. Khouri, C. Müller, N. Hussey, S. Wiedmann, HFML Nijmegen. Researchers from Germany, USA, UK, and the HFML Nijmegen have found evidence for electron-hole tunneling in momentum space in the nodal-line semimetal HfSiS. This specific tunneling phenomenon is revealed in quantum oscillations of the electrical resistance at low temperatures and in high magnetic fields, and can be illustrated as a ‘figure-of-eight orbit’ enclosing one electron and one hole pocket.

503, 2019

PLANCKIAN DISSIPATION IN HIGH-TC SUPERCONDUCTORS

March 5th, 2019|SCI Highlights|0 Comments

Cyril Proust, LNCMI-Toulouse and Louis Taillefer, University of Sherbrooke. Measuring the electrical resistance of a new material is often the first experiment that researchers do, but also often the last to be understood. Nevertheless, the temperature dependence of the electrical resistance gives essential information on the ground state of materials.

2903, 2018

ELECTRONS IN FLAT BANDS

March 29th, 2018|SCI Highlights|0 Comments

Layered materials can realize different stackings of their individual planes, different polytypes, to compose three-dimensional structures. ABA-stacked graphite is the most stable form of graphite at ambient [...]

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