Bulletin of the American Physical Society
APS March Meeting 2022
Volume 67, Number 3
Monday–Friday, March 14–18, 2022; Chicago
Session M66: Surface and Interface Physics: Growth, Characterization and Properties
8:00 AM–11:00 AM,
Wednesday, March 16, 2022
Room: Hyatt Regency Hotel -Grant Park D
Chair: Ryan Comes, Auburn University
Abstract: M66.00015 : Quantum Saturation of Capacitance for surface analysis*
10:48 AM–11:00 AM
Presenter:
Carlos Untiedt
(Univ de Alicante)
Authors:
Carlos Untiedt
(Univ de Alicante)
Tamara de Ara García
(Universidad de Alicante)
Bernat Olivera
(Universidad de Alicante)
Carlos Sabater
(Univ de Alicante)
Using a Scanning Tunneling Microscope at low temperatures we study the variations of the capacitance as a function of the interelectrode distance. Quantum capacitance reveals variations in the Local Density of States for different metals and surface preparations.
*Financial support by the Spanish goverment through PID 2019-109539GB-C41, the Generalitat Valenciana (PROMETEO/2021/017 and CDEIGENT/2018/028) are gratefully acknowledged.
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