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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1.080 Topics available

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693.932 PEOPLE
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in Cooperation with on an Cooperation-Score of 37%

Topics

Publications (5/5 displayed)

  • 2024Carbon-based nanocomposite yarns reinforced with titanium carbide formed by internally reacted titanium and graphenecitations
  • 2022Room-temperature valence transition in a strain-tuned perovskite oxide10citations
  • 2018Controlling Dissolution and Transformation of Zeolitic Imidazolate Frameworks by using Electron‐Beam‐Induced Amorphization71citations
  • 2018Microstructure characterization of BaSnO3 thin films on LaAlO3 and PrScO3 substrates from transmission electron microscopy18citations
  • 2009Atomic and Electronic Structure of Graphene-Oxide1094citations

Places of action

Chart of shared publication
Hobosyan, M. A.
1 / 1 shared
Sharifi, S.
1 / 7 shared
Shohan, R.
1 / 1 shared
Chipara, M.
1 / 2 shared
Zakhidov, A.
1 / 4 shared
Martirosyan, K. S.
1 / 1 shared
Baughman, R. H.
1 / 1 shared
Lamichhane, U.
1 / 1 shared
Figari, Lucca
1 / 2 shared
Jacobson, Andrew
1 / 2 shared
Cheng, Huikai
1 / 2 shared
Barriocanal, Javier Garcia
1 / 1 shared
Birol, Turan
1 / 2 shared
Quarterman, Patrick
1 / 3 shared
Chaturvedi, Vipul
1 / 2 shared
Gautreau, Dominique
1 / 1 shared
Korostynski, Caroline
1 / 3 shared
Charlton, Timothy
1 / 1 shared
Postiglione, William
2 / 2 shared
Conrad, Sabrina
1 / 1 shared
Kumar, Prashant
1 / 13 shared
Ren, Limin
1 / 1 shared
Henning, Sheryl
1 / 1 shared
Xiao, Chunhong
1 / 1 shared
Jeong, Jong Seok
1 / 4 shared
Yun, Hwanhui
1 / 5 shared
Jalan, Bharat
1 / 9 shared
Leighton, Chris
1 / 3 shared
Stewart, Derek
1 / 4 shared
Silcox, John
1 / 1 shared
Contryman, Alex W.
1 / 1 shared
Chhowalla, Manish
1 / 7 shared
Mattevi, Cecilia
1 / 6 shared
Miller, Steve
1 / 2 shared
Eda, Goki
1 / 4 shared
Chart of publication period
2024
2022
2018
2009

Co-Authors (by relevance)

  • Hobosyan, M. A.
  • Sharifi, S.
  • Shohan, R.
  • Chipara, M.
  • Zakhidov, A.
  • Martirosyan, K. S.
  • Baughman, R. H.
  • Lamichhane, U.
  • Figari, Lucca
  • Jacobson, Andrew
  • Cheng, Huikai
  • Barriocanal, Javier Garcia
  • Birol, Turan
  • Quarterman, Patrick
  • Chaturvedi, Vipul
  • Gautreau, Dominique
  • Korostynski, Caroline
  • Charlton, Timothy
  • Postiglione, William
  • Conrad, Sabrina
  • Kumar, Prashant
  • Ren, Limin
  • Henning, Sheryl
  • Xiao, Chunhong
  • Jeong, Jong Seok
  • Yun, Hwanhui
  • Jalan, Bharat
  • Leighton, Chris
  • Stewart, Derek
  • Silcox, John
  • Contryman, Alex W.
  • Chhowalla, Manish
  • Mattevi, Cecilia
  • Miller, Steve
  • Eda, Goki
OrganizationsLocationPeople

article

Atomic and Electronic Structure of Graphene-Oxide

  • Stewart, Derek
  • Silcox, John
  • Mkhoyan, Andre
  • Contryman, Alex W.
  • Chhowalla, Manish
  • Mattevi, Cecilia
  • Miller, Steve
  • Eda, Goki
Abstract

We elucidate the atomic and electronic structure of graphene oxide (GO) using annular dark field imaging of single and multilayer sheets and electron energy loss spectroscopy for measuring the fine structure of C and O K-edges in a scanning transmission electron microscope. Partial density of states and electronic plasma excitations are also measured for these GO sheets showing unusual pi* + sigma* excitation at 19 eV. The results of this detailed analysis reveal that the GO is rough with an average surface roughness of 0.6 nm and the structure is predominantly amorphous due to distortions from sp3 C-O bonds. Around 40% sp3 bonding was found to be present in these sheets with measured O/C ratio of 1:5. These sp2 to sp3 bond modifications due to oxidation are also supported by ab initio calculations

Topics
  • density
  • impedance spectroscopy
  • surface
  • amorphous
  • electron energy loss spectroscopy