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5 Correlated Oxides
Pages 37-44

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From page 37...
... 2013. "Many-Body Effects and Possible Superconductivity in the Two Dimensional Metallic Surface States of Three-Dimensional Topological Insulators." Physical Review B 88:081404(R)
From page 38...
... Thin films are close cousins of the van der Waals systems being discussed at the workshop, he noted, and they had been around for a very long time before a few developments in the 1950s and 1960s led to a revolution in the development of molecular beam epitaxy (MBE)
From page 39...
... There have also been new deposition methods and new characterization tools developed over time. Thinking about the lessons from this history that might apply to the new work in van der Waals materials, Checkelsky said that the most important thing for these thin films was the substrate and the ability to find different substrates and understand what the different substates would mean for the film grown on them.
From page 40...
... An important issue is the types of technical challenges that will be encoun tered in trying to fabricate devices using materials beyond what has already been tried -- graphene, hexagonal boron nitride (hBN) , and transition metal dichalco genides?
From page 41...
... Discussion Period 41 (Lu et al.
From page 42...
... "What are the new ingredients we can put together and go beyond the van der Waals materials? " Felser was next, and she spoke about "wishes" for the future -- areas in which she would like to see improvements or more exploration.
From page 43...
... After the four panelists had made their general comments, Checkelsky opened the question-and-answer portion with a question of his own. In the quantum materials world, he said, database approaches have been effective at providing us a certain sense of, for example, what materials might be topological insulators or pointing to materials that may have certain other properties.
From page 44...
... Try to do something a little bit different and look especially for unexplored territory." So it is a little bit of both, he concluded -- use what the theorists say as inspiration, but at the same time explore areas that not everyone else is exploring. Ramamoorthy Ramesh of the University of California, Berkeley, who would be one of the presenters on the workshop's second day, offered an observation concerning the idea of searches.


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