Atomic control of thin film growth by PVD - new materials for - - PowerPoint PPT Presentation

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Atomic control of thin film growth by PVD - new materials for - - PowerPoint PPT Presentation

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Atomic control of thin film growth by PVD - new materials for fundamental research and applications Dr. Alexandre Fte (UNIGE) GCC OpenLab @ UNIGE COUCHES MINCES FONCTIONNELLES Jeudi 29 janvier 2015 The laboratory Prof. J.-M. Triscone

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GCC OpenLab @ UNIGE

COUCHES MINCES FONCTIONNELLES

Jeudi 29 janvier 2015

Atomic control of thin film growth by PVD - new materials for fundamental research and applications


  • Dr. Alexandre Fête (UNIGE)
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The laboratory

  • Prof. J.-M. Triscone
  • Dr. S. Gariglio
  • Dr. C. Lichtensteiger

Permanent collaborators

  • Dr. M. Gibert
  • Dr. W. Liu
  • Dr. A. Fête

Post-docs

  • M. Boselli
  • S. Catalano
  • S. Fernandez
  • J. Fowlie
  • D. Li

PhD students

  • Dr. M.

Viret

Visitor

  • M. Lopes

Technician

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Global Physical Vapor Deposition Market Expected to Reach USD 20.45 Billion by 2019

source : Transparency Market Research

Applications of thin film coating

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Molecular Beam Epitaxy (MBE) Sputtering Pulsed laser deposition (PLD)

From PVD product

The main PVD technics

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Molecular Beam Epitaxy (MBE) Sputtering Pulsed laser deposition (PLD)

From PVD product

The main PVD technics

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Molecular Beam Epitaxy (MBE) Sputtering Pulsed laser deposition (PLD)

From PVD product

The main PVD technics

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Molecular Beam Epitaxy (MBE) Sputtering Pulsed laser deposition (PLD)

From PVD product

The main PVD technics

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SLIDE 8

Molecular Beam Epitaxy (MBE) Sputtering Pulsed laser deposition (PLD)

From Heinz Maier-Leibnitz Zentrum and Universidad Autonoma de Madrid

The main PVD technics

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The RHEED technique

From PVD product and Prof. M. Lippmaa

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  • S. Gariglio, et al.
  • J. Phys.: Condens. Matter 21, 164213 (2009).

Post-growth checks

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Let’s build our material layer by layer !

  • M. Gabay et J.-M. Triscone

Pour la Science 79 (2013).

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The perovskite family

P . Zubko, et al.

  • Annu. Rev. Condens. Matter Phys. 2, 141 (2011).

ab-initio calculations

(here 1/1 superlattice of BiFeO3/LaFeO3)

Z Zanolli, et al. PRB 88, 060102 (2013).

ABO3

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STEM by L. Fitting-Kourkoutis,

  • D. A. Muller Cornell

LaAlO3 SrTiO3 insulator insulator New materials - 1st example

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LaAlO3 SrTiO3 insulator insulator ! conductor !

Othomo and Hwang Nature 427, 423 (2004)

New materials - 1st example

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! superconductor ! LaAlO3 SrTiO3 insulator insulator

Reyren et al. Science 317, 1196 (2007)

200 300 400 500 600 100 200 300 400 500 Rsheet(Ω/) T (mK)

New materials - 1st example

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! tunable superconductor ! LaAlO3 SrTiO3 insulator insulator

Caviglia et al. Nature 456, 624 (2008)

New materials - 1st example

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LaAlO3 SrTiO3 insulator insulator

  • N. Y. Chan et al.
  • Adv. Mat. 26, 5962 (2014)

sensitive to atmospheric conditions New materials - 1st example

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PbTiO3 SrTiO3

  • A. Torres-Pardo, et al.

PRB 84, 220102 (2011)

ferroelectric paraelectric with huge dielectric constant

New materials - 2nd example

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LaNiO3 LaMnO3

DF

  • nline

La- M5 Mn- L2,3 Ni- L2 Mn- La- Ni

Courtesy of M. Gibert

metal ferromagnet

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LaNiO3 LaMnO3

  • M. Gibert, et al.
  • Nat. Mat. 11, 195 (2012)

exchange bias

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  • Superconductivity in artificial

heterostructures

  • Artificial ferroelectrics (AVO3/A’VO3)
  • …

New materials We investigate many other systems

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Conclusion

  • PVD technology is able to build films

almost atom by atom

  • In this way materials with novel properties

can be engineered