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O: Fachverband Oberflächenphysik

O 55: Poster Session - Nanostructured Surfaces and Thin Films

O 55.3: Poster

Tuesday, March 17, 2020, 18:15–20:00, P2/2OG

Growth of ultrathin single crystalline Bi(111) on Si(111) — •Jesper Moes, Jan Cuperus, Daniël Vanmaekelbergh, and Ingmar Swart — Utrecht University, Debye Institute for Nanomaterials Science, Utrecht, The Netherlands

The spin-orbit derived surface states of bismuth films are of great interest for spintronic applications. STM techniques are ideal for the investigation of its electronic properties. We have grown ultrathin Bi(111) films on a Si(111) substrate with atomically flat areas of up to 100nm x 100nm. The surface states were observed via differential conductance spectroscopy and scattering by point defects. Further insight is obtained by combining quasi-particle interference and density functional theory calculations.