Contact

Dr. Kay Potzger
Head Interface Magnetism
Project-group head
k.potzgerhzdr.de
Phone: +49 351 260 - 3244, 2411
Fax: +49 351 260 - 13244

Dr. Kilian Lenz
Research Group Head
Magnetization Dynamics
k.lenzhzdr.de
Phone: +49 351 260 - 2435
Fax: +49 351 260 - 12435

Dr. Andreas Neudert
Postdoc
Magnetization Dynamics

Dr. Alina Maria Deac
Scientist
Spintronics
a.deachzdr.de
Phone: +49 351 260 - 3709

Experimentelle Ausrüstung

Schichtabschneidung

Magnetormetrie

Magnetometry

1. Superconducting Quantum Interference Device - SQUID
2. Ferromagnetic Resonance - FMR
3. Low temperature Ferromagnetic Resonance
4. Microreosnator Ferromagnetic Resonance
5. Time-Resolved Magneto-Optical Kerr Effect
6. Magneto-Optical Kerr Effect - MOKE
7. Kerr Microscopy
8. Probe Station for Nanostructures
9. Probe Station for Spintranfer Torque
10. Frequency-resolved MOKE for optically detected FMR
11. Atomic & Magnetic for Microscope
12. Electric Prober for Phase Change Materials
13. Mössbauer Spectroscopy

Bild	Beschreibung
	1. Superconducting Quantum Interference Device - SQUID Type: Quantum Design MPMS Field: max. 7 T Temperature range: 1.9 – 400 K Sensitivity: < 10^-8 emu Responsible: K. Potzger top of page
	2. Ferromagnetic Resonance - FMR in-house development Agilent E8364B Vector Network Analyzer: Frequency range 0.05 - 50 GHz Bruker Electromagnet: max. 2.2 T polar and azimuthal sample rotation Helmholtz magnet: max 0.1 T Responsible: K. Lenz top of page
	3. Low Temperature Ferromagnetic Resonance Attocube Attodry 1000 closed cycle cryostat 5 T split-coil magnet temperature range 4 - 300 K Agilent N5225A Vector Network Analyzer: Frequency range 0.05 - 50 GHz full polar and azimuthal sample rotation Responsible: K. Lenz top of page
	4. Microresonator Ferromagnetic Resonance in-house development microwave bridge Frequency range 8-16 GHz Bruker Electromagnet: max. 2.2 T azimuthal sample rotation field modulation/Lock-in detection Responsible: K. Lenz top of page
	5. Time-Resolved Magneto-Optical Kerr Effect in-house development Delay time up to 5 ns Feld: max. 1 T Femtolasers XL500 Wavelength: 800 nm Pulse-Length 40 fs Repetition rate: 5 MHz Output Power: 2.6 W Energy: 500 nJ/pulse Responsible: H. Schultheiß top of page
	6. Magneto-Optical Kerr Effect - MOKE in-house development longitudinal and transversal Kerr effect Field (in-plane): max. 400 Oe (Helmholtz coils) x, y, f scanning capabilities Temperature range: RT – 600 K Responsible: H. Schultheiß top of page
	7. Kerr-Microscopy Manufacturer: Evico-Magnetics Microscope: Zeiss Axio Imager.D1m Light Source: two high-power LEDs (blue+red) Bipolar and quadrupol magnet twin-color system for quantitative Kerr analysis integrated AMR measurement Responsible: J. Osten top of page
	8. Probe Station for Nanostructures Süss MicroTech PM5 Wafer Prober Süss Z-Probes: GSG 0-50 GHz, 150µm Pitch Evico Magnetics electromagnet: B_max= 0.6 T Optem CCD-Microscope Agilent MXA spectrum analyzer Picosecond PulseLab pulser Tektronix DPO72004 20GHz real-time oscilloscope Keithley source meter Responsible: A. Deac top of page
	9. Probe Station for Spintransfer Torque Magnetic field up to ca. 1.5 T Tilting sample holder: in-plane and out-of-plane-magnetic fields possible GGB Picoprobes (40 GHz) Agilent Technologies PXA 50 GHz Signal Analyzer Agilent MXG 40 GHz Analog Signal Generator LakeShore 425 Gaussmeter Keithley 2182A Nanovoltmeter Keithley 6221 Current Source Kepco Power Supply Responsible: A. Deac top of page
	10. Frequency-resolved MOKE optically detected FMR (5 µm spatial resolution) Magnetic field up to 1.4 T Kepco power supply Frequency range up to 35 GHz Responsible: K. Lenz top of page
	11. Atomic and Magnetic Force Microscope (AFM/MFM) Veeco/DI Multimode sample size: 10 x 10 mm² scan area max. 100x100 µm² scan area 10x10 µm² magnetic field 0 - 65 mT resolution: AFM ~10 nm MFM ~30 nm Scanning Spreading Resistance Microscopy (SSRM) option Responsible: K. Potzger top of page
	12. Electric prober for phase change materials temperature and magnetic field dependence of resistance sample size: 10 x 10 mm² temperature RT - 450 K field: 1 kOe in-plane base pressure < 1e-6 mbar Responsible: K. Potzger top of page
	13. Mössbauer spectroscopy for charge state, quadrupole splitting, hyperfine field of Fe containing materials conversion electron spectroscopy for thin films transmission spectroscopy for powders max. sample size: 2x2 cm² room temperature measurements source: ⁵⁷Co Responsible: K. Potzger top of page