Materials Map

Discover the materials research landscape. Find experts, partners, networks.

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The Materials Map is an open tool for improving networking and interdisciplinary exchange within materials research. It enables cross-database search for cooperation and network partners and discovering of the research landscape.

The dashboard provides detailed information about the selected scientist, e.g. publications. The dashboard can be filtered and shows the relationship to co-authors in different diagrams. In addition, a link is provided to find contact information.

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Materials Map under construction

The Materials Map is still under development. In its current state, it is only based on one single data source and, thus, incomplete and contains duplicates. We are working on incorporating new open data sources like ORCID to improve the quality and the timeliness of our data. We will update Materials Map as soon as possible and kindly ask for your patience.

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in Cooperation with on an Cooperation-Score of 37%

Topics

Publications (3/3 displayed)

  • 2020Nonlocal correlations in iron pnictides and chalcogenides25citations
  • 2019Chemical tuning between triangular and honeycomb structures in a 5d spin-orbit Mott insulatorcitations
  • 2017Microscopic origin of the mobility enhancement at a spinel/perovskite oxide heterointerface revealed by photoemission spectroscopy38citations

Places of action

Chart of shared publication
Zantout, K.
1 / 1 shared
Steffensen, D.
1 / 1 shared
Andersen, B. M.
1 / 2 shared
Fanfarillo, L.
1 / 2 shared
Bhattacharyya, S.
1 / 5 shared
Kreisel, A.
1 / 3 shared
Bjornson, K.
1 / 1 shared
Hirschfeld, P. J.
1 / 6 shared
Broeders, I.
1 / 1 shared
Coldea, R.
1 / 4 shared
Singh, Y.
1 / 2 shared
Mehlawat, K.
1 / 1 shared
Johnson, Rd
1 / 11 shared
Li, Y.
1 / 95 shared
Jeschke, H. O.
1 / 3 shared
Chen, Yunzhong
1 / 11 shared
Rogalev, V. A.
1 / 4 shared
Schlueter, C.
1 / 12 shared
Scheiderer, P.
1 / 2 shared
Lee, T. -L.
1 / 1 shared
Pryds, Nini
1 / 133 shared
Sing, M.
1 / 5 shared
Christensen, Dennis Valbjørn
1 / 15 shared
Strocov, V. N.
1 / 9 shared
Dudy, L.
1 / 2 shared
Claessen, R.
1 / 6 shared
Borisov, V.
1 / 4 shared
Schuetz, P.
1 / 3 shared
Gabel, J.
1 / 4 shared
Zapf, M.
1 / 2 shared
Pfaff, F.
1 / 2 shared
Chart of publication period
2020
2019
2017

Co-Authors (by relevance)

  • Zantout, K.
  • Steffensen, D.
  • Andersen, B. M.
  • Fanfarillo, L.
  • Bhattacharyya, S.
  • Kreisel, A.
  • Bjornson, K.
  • Hirschfeld, P. J.
  • Broeders, I.
  • Coldea, R.
  • Singh, Y.
  • Mehlawat, K.
  • Johnson, Rd
  • Li, Y.
  • Jeschke, H. O.
  • Chen, Yunzhong
  • Rogalev, V. A.
  • Schlueter, C.
  • Scheiderer, P.
  • Lee, T. -L.
  • Pryds, Nini
  • Sing, M.
  • Christensen, Dennis Valbjørn
  • Strocov, V. N.
  • Dudy, L.
  • Claessen, R.
  • Borisov, V.
  • Schuetz, P.
  • Gabel, J.
  • Zapf, M.
  • Pfaff, F.
OrganizationsLocationPeople

article

Microscopic origin of the mobility enhancement at a spinel/perovskite oxide heterointerface revealed by photoemission spectroscopy

  • Jeschke, H. O.
  • Chen, Yunzhong
  • Rogalev, V. A.
  • Schlueter, C.
  • Scheiderer, P.
  • Lee, T. -L.
  • Pryds, Nini
  • Sing, M.
  • Christensen, Dennis Valbjørn
  • Strocov, V. N.
  • Valenti, R.
  • Dudy, L.
  • Claessen, R.
  • Borisov, V.
  • Schuetz, P.
  • Gabel, J.
  • Zapf, M.
  • Pfaff, F.
Abstract

The spinel/perovskite heterointerface γ−Al2O3/SrTiO3 hosts a two-dimensional electron system (2DES) with electron mobilities exceeding those in its all-perovskite counterpart LaAlO3/SrTiO3by more than an order of magnitude, despite the abundance of oxygenvacancies which act as electron donors as well as scattering sites. Bymeans of resonant soft x-ray photoemission spectroscopy and <i>ab initio</i>calculations, we reveal the presence of a sharply localized type ofoxygen vacancies at the very interface due to the local breaking of theperovskite symmetry. We explain the extraordinarily high mobilities byreduced scattering resulting from the preferential formation ofinterfacial oxygen vacancies and spatial separation of the resulting2DES in deeper SrTiO3layers. Our findings comply with transport studies and pave the waytowards defect engineering at interfaces of oxides with differentcrystal structures.

Topics
  • perovskite
  • mobility
  • Oxygen
  • defect
  • two-dimensional
  • interfacial
  • spectroscopy