Paul-Drude-Institut für Festkörperelektronik

Sep 9, 2024 | link.aps.org | Van Pham |Paul-Drude-Institut für Festkörperelektronik |Yi Pan |Xi'an Jiaotong

Atom manipulation by scanning tunneling microscopy was used to construct quantum dots on the InAs(111)A surface. Each dot comprised six ionized indium adatoms. The positively charged adatoms create a confining potential acting on surface-state electrons, leading to the emergence of a bound state associated with the dot.

Mar 12, 2024 | link.aps.org | Van Pham |Paul-Drude-Institut für Festkörperelektronik |Yi Pan |Xi'an Jiaotong

Cryogenic scanning tunneling microscopy was employed in combination with density-functional theory calculations to explore quantum dots made of In adatoms on the InAs(110) surface. Each adatom adsorbs at a surface site coordinated by one cation and two anions, and transfers one electron to the substrate, creating an attractive quantum well for electrons at the surface.

Feb 23, 2024 | onlinelibrary.wiley.com | Paul-Drude-Institut für Festkörperelektronik

X-ray diffraction from dislocation half-loops in epitaxial films aPaul-Drude-Institut für Festkörperelektronik, Hausvogteiplatz 5-7, 10117 Berlin, Germany*Correspondence e-mail: [email protected] Edited by A.

Jun 19, 2023 | phys.org | Paul-Drude-Institut für Festkörperelektronik

In a paper published today in Nature Communications, researchers from the Paul Drude Institute in Berlin, Germany, and the Instituto Balseiro, Bariloche, Argentina, demonstrated that light emitters with different resonance frequencies can asynchronously self-lock their relative energies by exchanging mechanical energy. This finding paves the way for increased control of light sources and GHz-to-THz interconversion relevant to quantum technology.