Electron paramagnetic resonance (EPR) is a spectroscopic technique that allows detection of paramagnetic centres and magnetic nuclei coupled to them on a time scale as short as nanoseconds and with spatial resolution from the atomic up to the nanometer scale. Recent progress in this technique has been mainly driven by specific needs in the research areas of biological and materials science. The Priority Programme aims at bringing these research areas together in a coordinated effort in order to increase the sensitivity of EPR as an essential spectroscopic technique for biology, chemistry, materials science, and physics. As a major goal, new application fields shall be opened up by EPR such as the investigation of megadalton molecular machines, in cell protein-protein interactions or enzymatic mechanisms, catalytic processes on single-crystalline surfaces, or the light-induced degradation of thin-film solar cells. The intrinsic diversity of the studied systems implies that the envisaged sensitivity enhancement does not only rely on advances on the side of EPR hardware but also involves alternative polarisation and detection schemes and the adaptation of the method to "real world" samples. The Priority Programme encompasses collaborative projects that focus on four major research areas. The first two comprehend methods to increase the sensitivity of EPR experiments: (1) methods for improved excitation and manipulation of electron spin magnetisation and (2) methods for improved EPR detection. The third and fourth areas explore the applicability of these methods in fields of biological and materials sciences, which are not amenable to EPR spectroscopy at the current state-of-the-art. The synergy between the methodological work, on the one side, and application-oriented research, on the other side, will be progressively established. In the first phase (first three years) the groups with focus on applications shall adapt and expand presently available methods for increased sensitivity (such as the use of micro-resonators, THz spectroscopy, electrical or optical excitation, or detection) to their specific purposes. Groups with expertise in EPR methodologies will focus on the design of new experiments. In the second phase of the Priority Programme (long-term goal) the outcome from the methodical work will be tested in a collaborative effort among the consortium and optimised for specific applications.
DFG Programme
Priority Programmes
International Connection
Switzerland, USA
Projects
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3D nanoscale imaging of individual spin labels
(Applicants
Neumann, Philipp
;
Wrachtrup, Jörg
;
Zappe, Andrea
)
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Ab initio calculation of EPR parameters for extended periodic systems: Functionalization of surfaces and interfaces
(Applicant
Gerstmann, Uwe
)
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Application of Amplitude/Phase Modulated Pulses for Dipolar EPR Spectroscopy
(Applicant
Prisner, Thomas F.
)
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Broadband EPR in Microresonators
(Applicant
Suter, Dieter
)
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Coordination Funds
(Applicant
Bennati, Marina
)
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Development of an unconventional electron paramagnetic resonance detection technique for selective probing of photogenerated and extracted charge carriers in optelectronic and photovoltaic devices by means of pulsed field induced extraction
(Applicant
Dyakonov, Vladimir
)
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Development of efficient ab initio methods for the accurate prediction of EPR parameters in large molecules
(Applicant
Neese, Frank
)
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Distance measurements in the nanometer range by In-Cell Electron Paramagnetic Resonance Spectroscopy
(Applicants
Drescher, Malte
;
Summerer, Daniel
)
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Electrically detected electron paramagnetic resonance by pulsed charge carrier extraction for application in thin-film solar cell devices
(Applicants
Dyakonov, Vladimir
;
Sperlich, Andreas
)
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Electrically detected magnetic resonance on nanoscopic devices
(Applicants
Harneit, Wolfgang
;
Meyer, Carola
)
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EPR Microresonators
(Applicant
Suter, Dieter
)
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EPR probeheads for very small samples
(Applicants
Reijerse, Edward
;
Savitsky, Anton
)
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EPR spectroscopy of paramagnetic centers and adsorption complexes in porous metal organic frameworks: Development and application of dielectric resonators and microresonators for investigations of small single crystals
(Applicant
Pöppl, Andreas
)
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IC-based electron spin detection for biomedical and material science applications
(Applicant
Anders, Jens
)
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Improving the sensitivity of THz frequency domain magnetic resonance
(Applicant
van Slageren, Joris
)
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In cell EPR of native paramagnetic protein cofactors
(Applicant
Bittl, Robert
)
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In-organello and in-cell EPR on orthogonally spin-labeled proteins
(Applicant
Bordignon, Enrica
)
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Light-induced magnetization detected by force microscopy: from basic concept to first applications
(Applicants
Havenith-Newen, Martina
;
Weber, Stefan
)
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Light-induced magnetization detected by magnetic force microscopy: from basic concept to first applications
(Applicants
Havenith-Newen, Martina
;
Weber, Stefan
)
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Metal/metal and metal/nitroxyl-labeled compounds for the development of EPR-based distance measurement techniques
(Applicant
Godt, Adelheid
)
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New concepts for high-sensitivity pulsed electrically detected magnetic resonance
(Applicant
Brandt, Martin S.
)
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Optimal Control Pulses for Electron Paramagnetic Resonance
(Applicant
Glaser, Steffen
)
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Pulsed Electron Paramagnetic Resonance at Millikelvin Temperatures
(Applicant
Hübl, Hans
)
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Pushing the limits of torque-detected electron-spin resonance
(Applicant
Dressel, Martin
)
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Sensitivity enhancement in EPR and electron-nuclear double resonance by pulsed polarization schemes
(Applicant
Bennati, Marina
)
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Sensitivity enhancement of EPR spectroscopy on single crystalline surfaces under UHV conditions by employing an electrical detection scheme
(Applicant
Risse, Thomas
)
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Sensitivity improvement in variable very high frequency EPR for applications in catalysis and protein research
(Applicant
Schnegg, Alexander
)
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Single shot readout of NV detectors for chemically relevant single-molecule magnetic resonance.
(Applicant
Reinhard, Friedemann
)
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Single spin EPR and NMR with diamond atomic spin sensors
(Applicants
Jelezko, Fedor
;
Plenio, Martin Bodo
;
Wrachtrup, Jörg
)
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Site-directed spin labeling EPR spectroscopy in vivo
(Applicant
Steinhoff, Heinz-Jürgen
)
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Spin-dependent transport in fully processed silicon solar cells studied by pulsed Multifrequency Electrically Detected Magnetic Resonance below 600 MHz/20 mT and at 263 GHz/9.4 T
(Applicant
Lips, Klaus
)
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Transient EDMR: A novel tool to study charge transport in organic solar cells
(Applicant
Behrends, Jan
)
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Trityl Radicals: New Spin Labels for Nanometer Distance Measurements with higher Sensitivity, at Room Temperature and within Cells
(Applicants
Hagelueken, Gregor
;
Schiemann, Olav
)
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Ultra-wideband DEER and ESEEM on metal centers
(Applicant
Jeschke, Gunnar
)
