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A. Powell
Prof. Dr. Annie Powell
Research Unit Chair
0721/608-42135 (AOC)
annie powellHzr1∂kit edu

Electronic Structure in Nanoscopic Systems

Multiferroïcs (MFs) Materials lead by Dr. Nicolas Leblanc

(Humboldt)

Combination of organic radical ligands and diamagnetic metals ions of the 14th & 15th groups: Toward new organic-inorganic multiferroïc materials? (N. Leblanc)

Those materials that exhibit at least to ferroïc orders (i.e both ferromagnetic and ferroelectric) are of great interest because of their fundamental importance in the study of the magneto-electric coupling, as well as their promising applications in electronic devices.

Recently a new route of organic-inorganic hybrid multiferroïcs, based on a Metal Organic Framework architecture (MoF), has emerged. In this context, we explore new complexes involving diamagnetic metal ions centers, of 14th and 15th groups (in particular Sn, Pb, Sb and Bi), and organic radical ligands. In such complexes, the organic molecules bear the unpaired electron, which by spin coupling, could lead to (anti)-ferromagnetic behavior, whereas the metal center can be responsible of the charge ordering, by the so-called “ns2 inert pair effect”.

 

 

Nano-Cyclic Molecular Magnets lead by Dr. Amer Baniodeh

(Zielvereinbarung 5150.0102.0021 within INT)

We intend to study routes to the surface deposition of cyclic Iron-Lanthanide-coordination cluster systems. The goal is to perform some measurements of their properties, however on surface.
The interests in this project are:  Molecular Magnetism and Molecular Spintronics (including Chiral Magnets), Magnetic Cooling, Magnetic Resonance Imaging. This project is within the STN program is in collaboration with other groups within INT and with international scientists from different fields.

 

 

 

MRI

Project  Pepschalter lead by Dr. Thomas Biet and Dr. Amer Baniodeh

(BMBF Ausschreibung Förderung von Basistechnologien für eine nächste Generation biotechnologischer Verfahren, Teilprojekt KIT (INT))

The strategy in this project is to synthesize amino-acids derivatives bearing “clickable” function such as an alkyne and/or an azide (in red, scheme) which could further be printed on a surface and connected to ribosome using classical peptide synthesis conditions. Then, the next step consists in attaching via click chemistry reaction a cluster or a metal complex with switchable magnetic properties.