Arbeitsgruppe Prof. Hillebrands

Annual Report 2015

Contents

1 Preface (329 kB)

2 Personnel (1.77 MB)

2.1 Members of the group
2.2 Visiting scientists, postdoctoral fellows and exchange students
2.3 Guest seminars
2.4 Visits of group members at other laboratories
2.5 Group member photo gallery

3 Methods (749 kB)

3.1 Brillouin light scattering spectroscopy (BLS)
3.2 Microwave techniques
3.3 Magneto-optic Kerr effect magnetometry and microscopy (MOKE)
3.4 Molecular beam epitaxy (MBE)

4 Reports on Experimental Results

A. Magnon Gases and Condensates

4.1 Formation of Bose-Einstein magnon condensate via dipolar and exchange thermalization channels (1.11 MB)

4.2 Magnon supercurrent in a magnon Bose-Einstein condensate subject to a thermal gradient (438 kB)

4.3 Stimulated thermalization of a parametrically driven magnon gas as a prerequesite for Bose-Einstein magnon condensation (2.93 MB)

B. Insulator Magnon Spintronics

4.4 Spin-wave excitation, propagation and amplification in YIG/Pt bilayers (512 kB)

4.5 Out-of-plane magnetized majority gate (242 kB)

4.6 Spin-transfer torque based damping control of parametrically excited spin waves in a magnetic insulator (738 kB)

C. Metallic Magnon Spintronics

4.7 Study of fully epitaxial Fe/Pt bilayers for spin pumping by ferromagnetic resonance spectroscopy (258 kB)

4.8 Pt thickness dependence of spin pumping in epitaxial Fe/Pt bilayers (451 kB)

4.9 Investigation of the influence of a MgO interlayer on spin pumping in epitaxial systems (538 kB)

4.10 Phase to amplitude conversion by parallel parametric amplification of spin waves in microstructured waveguides (326 kB)

D. Spin Caloric Transport

4.11 Pumping threshold of dipolar-exchange magnons in thermal gradients (453 kB)

4.12 Thickness dependent temporal evolution of the spin Seebeck effect in YIG/Pt bilayers (295 kB)

E. New Materials and Heusler Compounds

4.13 Control of the effective spin-wave damping in Heusler-Pt waveguides via the spin-transfer torque effect (318 kB)

4.14 Investigation of Co40Fe40B20 spin-wave waveguides (256 kB)

4.15 Study of the magnetic properties of epitaxial Fe/Pt bilayers for spin pumping measurements (683 kB)

D. Applied Spintronics

4.16 Successful conclusion of the Spintronics Technology Platform in Rhineland-Palatinate STeP (349 kB)

4.17 New spintronics demonstrators for automotive applications (430 kB)

5 Publications (82 kB)

6 Conferences, Workshops, Schools, Seminars (137 kB)

6.1 Conferences and workshops
6.2 Schools
6.3 Invited seminar talks and colloquia
6.4 Seminars
6.5 Annual group retreat
6.6 Other meetings and trade fairs
6.7 Awards and Fellowships

 

This annual report may also be downloaded as a single file: Annual Report 2015 (18.46 MB)

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