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Humboldt-Universität zu Berlin - Mathematisch-Naturwissen­schaft­liche Fakultät - SFB 951 - HIOS

A12 - Enabling high-resolution imaging and spectroscopy of electron beam sensitive hybrid material systems

A12
Enabling high-resolution imaging and spectroscopy of electron beam sensitive hybrid material systems

Objectives

The very special opto-electronic properties of hybrid inorganic/organic systems (HIOS) being investigated within this CRC are largely determined by the electronic structure and distribution of charges at the inorganic/organic interface. Holographic imaging techniques in transmission electron microscopy allow electrostatic potentials, electric fields, and charge distributions to be imaged. State of the art electron energy-loss spectroscopy available to this project provides a sub-nanometer-sized probe of the electronic structure with approximately 5 meV energy resolution. Novel techniques based on both of these principles will be developed to minimize the electron beam damage to the sample. Beam-sensitive HIOS will then be characterized to reveal maps of charge density and local dielectric function that can be compared to theory.

 

Principal Investigators


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Christoph Koch

030 2093 7652

Christoph.Kochhu-berlin.de

Postdoctoral Researchers


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Michael R. S. Huang

030 2093 7658

michael.huangphysik.hu-berlin.de

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Wouter Van den Broek

030 2093 7937

wouter.van.den.broekphysik.hu-berlin.de

haas.jpg

Benedikt Haas

030 2093 7937

benedikt.haasphysik.hu-berlin.de

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Alberto Eljarrat Ascunce

030 2093 7734

alberto.eljarratphysik.hu-berlin.de

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Holm Kirmse

030 2093 7641

holm.kirmsephysik.hu-berlin.de

Doctoral Students


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Johannes Müller

030 2093 7734

johannes.muellerphysik.hu-berlin.de


Institutions:

FHI-Logo    HZB-Logo    IRIS Logo      Uni Potsdam-Logo    FU Logo    TU Berlin-Logo      HU Berlin-Logo

 

 

Funded by:  DFG Logo