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Growing a LaAlO3/SrTiO3 heterostructure on Ca2Nb3O10 nanosheets
Alexander J. H. van der Torren, Huiyu Yuan, Zhaoliang Liao +8
The two-dimensional electron liquid which forms between the band insulators LaAlO3 (LAO) and SrTiO3 (STO) is a promising component for oxide electronics, but the requirement of usi…
Quantifying work function differences using low-energy electron microscopy: the case of mixed-terminated strontium titanate
Johannes Jobst, Laurens M. Boers, Chunhai Yin +3
For many applications, it is important to measure the local work function of a surface with high lateral resolution. Low-energy electron microscopy is regularly employed to this en…
Influence of stoichiometry on interfacial conductance in LaAlO/SrTiO grown by 90 off-axis sputtering
Chunhai Yin, Dileep Krishnan, Nicolas Gauquelin +2
We report on the fabrication of conducting interfaces between LaAlO and SrTiO by 90 off-axis sputtering in an Ar atmosphere. At a growth pressure of 0.04 mbar the inter…
Hybrid cold and hot-wall chamber for fast synthesis of uniform graphene
Hadi Arjmandi-Tash, Nikita Lebedev, Pauline van Deursen +2
We introduce a novel modality in the CVD growth of graphene which combines the cold-wall and hot-wall reaction chambers. This hybrid mode preserves the advantages of a cold-wall ch…
Sputter gas pressure effects on the properties of Sm-Co thin films deposited from a single target
T. G. A. Verhagen, D. B. Boltje, J. M. van Ruitenbeek +1
We grow epitaxial Sm-Co thin films by sputter deposition from an alloy target with a nominal SmCo5 composition on Cr(100)-buffered MgO(100) single-crystal substrates. By varying th…
The role of stepped surfaces on the magnetotransport in strained thin films of La0.67Ca0.33MnO3
C. Beekman, J. Aarts
We report a comparative study of the properties of very thin films of La0.67Ca0.33MnO3 grown epitaxially under strain on flat SrTiO3 (STO) and on 1 deg miscut STO. For the films on…
Anisotropic magnetothermoelectric power of ferromagnetic thin films
M. S. Anwar, B. Lacoste, J. Aarts
We compare the behavior of the magnetothermoelectric power (MTEP)in metallic ferromagnetic thin films of Ni80Fe20 (Permalloy; Py), Co and CrO2 at temperatures in the range of 100 K…
Transport properties of microstructured ultrathin films of La0.67Ca0.33MnO3 on SrTiO3
C. Beekman, I. Komissarov, M. Hesselberth +1
We have investigated the electrical transport properties of 8 nm thick La0.67Ca0.33MnO3 films, sputter-deposited on SrTiO3 (STO), and etched into 5 micrometer-wide bridges by Ar-io…