LaAlO3/SrTiO3
Conducting channel at the LaAlO3/SrTiO3 interface
... The 2DEG is thought to result from an electron transfer to the interface between the polar oxide LaAlO3 and the nonpolar oxide SrTiO3 , which is necessary to avoid a divergence of the e[r] ...
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Growing a LaAlO3/SrTiO3 heterostructure on Ca2Nb3O10 nanosheets
... On samples A we study growth during STO deposition; sample B is used to characterise and improve the surface of the deposited STO layer before depositing LAO; samples C is used to grow[r] ...
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Tunable electron-electron interactions in LaAlO3/SrTiO3 nanostructures
... The ingredients for the model are 1 a superconducting lead with gapped excitations—which acts as a source of electron pairs, 2 a QD with a single-electron level of either attractive or r[r] ...
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Magnetic Properties of LaAlO3/SrTiO3 Heterostructure Modelled on a Supercomputer
... Hydrogen dopants located in the interface plane produce even larger magnetic moment, however, the formation energy does not have a minimum at the interface as in the case of oxygen vacan[r] ...
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Influence of oxygen in the sputter gas on creating a conducting interface in LaAlO3/SrTiO3
... Parameters that are relevant for sputter deposition are the surface roughness (Sa), the total pressure (P), the oxygen partial pressure (P O 2 ), the oxygen pressure as a percentage of t[r] ...
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Giant negative magnetoresistance driven by spin-orbit coupling at the LaAlO3/SrTiO3 interface
... In this work we provide experimental data (combining magnetic field, gate voltage, and temperature profiles for the resistance of the LAO = STO interface) and theoretical calculations th[r] ...
5
Non-conducting interfaces of LaAlO3/SrTiO3 produced in sputter deposition: The role of stoichiometry
... The LAO films and the LAO/STO interfaces prepared by sputtering in a high oxygen pressure have crystallographic properties very similar to those grown by PLD or MBE, but the interface is[r] ...
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Formation of a conducting LaAlO3/SrTiO3 interface studied by low-energy electron reflection during growth
... 4 the intensity of the total specular spot is integrated, resulting in an intensity independent of spot shape (i.e. surface roughness) and only depending on the electron reflectivity. 1 [r] ...
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Origin of the Two Dimensional Electron Gas at LaAlO3=SrTiO3 Interfaces: The Role of Oxygen Vacancies and Electronic Reconstruction
... a The temperature dependence of sheet resistance Rs-T and b sheet carrier density ns-T and the corresponding mobility for 20-nm amorphous LAO/STO heterostructures fabricated at different[r] ...
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Electrostatic tuning of LaAlO3 SrTiO3 interface devices
... Screening length Effective mass of an electron in a solid Electron mass Molecular Beam Epitaxy Mobility or chemical potential Sheet carrier density Polarization density Pulsed Laser Depo[r] ...
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Controllable Growth of Ni Nanocrystals Embedded in BaTiO3/SrTiO3 Superlattices
... In situ reflection high -energy electron diffraction RHEED was employed to investigate the process of lattice strain in the self-organization of Ni NCs and the epitaxial growth of BaTiO3/[r] ...
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Photosensitization, photocatalysis and photo fenton reactions of hemin anchored SRTIO3 / sno2 composite for the degradation of rhodamine b: a comparative study with pristine SrTiO3 and SnO2
... The enhanced activity of H-STO / SnO2 composite along with the H2O2 oxidant can be attributed to: i photosensitization by both hemin and RhB molecules; ii occurrence of photo Fenton type[r] ...
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La and Sm Co-doped SrTiO3-delta Thermoelectric Ceramics
... Iyasara, A.C., Schmidt, W.L., Boston, R. et al. (2 more authors) (2017) La and Sm Co-doped SrTiO3-delta Thermoelectric Ceramics. In: Materials Today: Proceedings. European Materials Research Spring Meeting, ...
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Concentration and Temperature Induced Phase Transitions in PrAlO3–SrTiO3 System
... As it was established from the temperature-resolved X-ray synchrotron powder diffraction measurements, the rhombohedral lattice parameters a and c increase anisotropically with temperatu[r] ...
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Nonlinear Terahertz Electromagnetic Waves in SrTiO3 Crystals under Focusing
... When the bias electric field is absent, the self-action of input long pulses leads to the modulation instability MI and to the generation of the regular sequences of short THz pulses at [r] ...
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Photocatalytic reduction synthesis of SrTiO3 graphene nanocomposites and their enhanced photocatalytic activity
... Compared to the bare SrTiO3 nanoparticles, the as-prepared SrTiO3-graphene composites exhibit an enhanced photocatalytic activity for the degradation of AO7 under irradiation of UV light[r] ...
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The surface structure of SrTiO3 at high temperatures under influence of oxygen
... Here, we use Low Energy Electron Microscopy (LEEM) to investigate the actual starting surface in a growth process by following the changes in the structure of nominal STO (001) surfaces [r] ...
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Metal Organic Deposition of Epitaxial La0 7Sr0 3CoO3 Thin Films on LaAlO3 Substrates
... Figure 5 shows the variation of the electrical resistivity of the 100 nm-thick LSCO films grown on LAO substrates using the MOD process at various thermal annealing temperatures dρ < 0 [r] ...
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Orthorhombic GdMnO3 Epitaxial Thin Film Grown onto SrTiO3 (110)
... Although anomalies in the M(T) curves can also be seen at 55 K, we do not assign any magnetic phase transitions for two reasons: i) the relaxation process activation energy does not ch[r] ...
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Control of epitaxial relationships of ZnO/SrTiO3 heterointerfaces by etching the substrate surface
... On as-received and etched 111 STO, ZnO films show the same growth direction with polar 0001, but different in-plane orientation with 30° rotation and a large lattice mismatch induced by [r] ...
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