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Ingénierie
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Growth and Electrostatic/chemical Properties of Metal/LaAlO3/SrTiO3 Heterostructures
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Ingénierie
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Journal JoVE Ingénierie
Growth and Electrostatic/chemical Properties of Metal/LaAlO3/SrTiO3 Heterostructures

Growth and Electrostatic/chemical Properties of Metal/LaAlO3/SrTiO3 Heterostructures

DOI:
10.3791/56951-v

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11:54 min

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February 08, 2018

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, , , , , , ,
1Unité Mixte de Physique CNRS/Thales,Université Paris-Saclay, 2Max Planck Institut für Mikrostrukturphysik, 3Department of Applied Physics,Tohoku University, 4Instituto de Magnetismo Aplicado,Universidad Complutense de Madrid

Chapitres

  • 00:04Titre
  • 00:45SrTiO3(001) (STO(001)) Substrate Termination and Single-crystal LaAlO3 (LAO) Target Preparation
  • 03:45Sample Preparation and X-ray Photoelectron Spectroscopy (XPS)
  • 05:33Pulsed Laser Deposition (PLD)LAO Growth
  • 07:32Magnetron Sputtering of Metallic Overlayers and Magnetotransport Experiments
  • 09:31Results: Electrostatic and Chemical Properties of Metal/LAO/STO Heterostructures
  • 11:16Conclusion

Summary

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We fabricate metal/LaAlO3/SrTiO3 heterostructures using a combination of pulsed laser deposition and in situ magnetron sputtering. Through magnetotransport and in situ X-ray photoelectron spectroscopy experiments, we investigate the interplay between electrostatic and chemical phenomena of the quasi two-dimensional electron gas formed in this system.

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Keywords: Metal/LaAlO3/SrTiO3 HeterostructuresPulsed-laser DepositionMagnetron SputteringX-ray Photoemission SpectroscopyMagneto Transport ExperimentsTwo-dimensional Electron GasUltrasonic CleaningAcetoneIsopropanolDe-ionized WaterBuffered Oxide EtchOxygen AnnealingMechanical PolishingPulsed-laser DepositionOxygen Partial Pressure

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