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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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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Naji, M.
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in Cooperation with on an Cooperation-Score of 37%

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Publications (25/25 displayed)

  • 2024An Investigation of the Effects of Cutting Edge Geometry and Cooling/Lubrication on Surface Integrity in Machining of Ti-6Al-4V Alloycitations
  • 2022A combined heat source model for the prediction of residual stress post extreme high-speed laser material deposition22citations
  • 2021Improving zinc recovery from steelmaking dust by switching from conventional heating to microwave heatingcitations
  • 2021Hybridization of Molecular and Graphene Materials for CO2Photocatalytic Reduction with Selectivity Control97citations
  • 2021Aluminum-alloyed lightweight stainless steels strengthened by B2-(Ni,Fe)Al precipitates10citations
  • 2020Impact of Al addition on deformation behavior of Fe–Cr–Ni–Mn–C austenitic stainless steel17citations
  • 2019Surface‐Modified Metallic Ti3C2Tx MXene as Electron Transport Layer for Planar Heterojunction Perovskite Solar Cellscitations
  • 2019Enhanced, shortened and tunable emission in Eu3+ doped borosilicate glasses by Cu+ co-doping17citations
  • 2018Increased level of cell-derived microparticles in the cyst fluids of odontogenic keratocysts.5citations
  • 2018Transparent oxyfluoride glass-ceramics with NaGdF 4 nanocrystals doped with Pr 3+ and Pr 3+ -Yb 3+31citations
  • 2018The influence of carbon-encapsulated iron nanoparticles on elastic modulus of living human mesenchymal stem cells examined by atomic force microscopy22citations
  • 2018Transparent oxyfluoride glass-ceramics with NaGdF4 nanocrystals doped with Pr3+ and Pr3+-Yb3+31citations
  • 2016Glassy amorphous metal injection molded induced morphological defects27citations
  • 2016Breakdown of the electron-spin motion upon reflection at metal-organic or metal-carbon interfaces. II.1citations
  • 2016Biomechanically inspired shape memory effect machines driven by muscle like acting NiTi alloys44citations
  • 2014Comparison of nano- and microfibrillated cellulose films173citations
  • 2013On the dielectric response of silica-based polyethylene nanocomposites96citations
  • 2013Conductivity study on GeS2-Ga2S3-AgI-Ag chalcohalide glasses29citations
  • 2013Improving the hydrogen gas sensing performance of Pt/MoO3 nanoplatelets using a nano thick layer of La2O332citations
  • 2013On Nanosilica Surface Functionalization Using Different Aliphatic Chain Length Silane Coupling Agentscitations
  • 2013Absorption Current Behaviour of Polyethylene/Silica Nanocompositescitations
  • 2013Modelling of partial discharge pulses in high voltage cable insulation using finite element analysis softwarecitations
  • 2012High precision positioning of plasmonic nanoparticle based on damascene processcitations
  • 2012Synthesis of Ni-Ru alloy nanoparticles and their high catalytic activity in dehydrogenation of ammonia borane191citations
  • 2010Temperature Gradient Effect on the Conductivity of an XLPE Insulated Polymeric Power Cablecitations

Places of action

Chart of shared publication
Jawahir, I. S.
1 / 12 shared
Sarvesha, R.
1 / 7 shared
Caudill, J.
1 / 1 shared
Zhang, L.
1 / 48 shared
Li, T.
1 / 24 shared
Schopphoven, Thomas
1 / 11 shared
Gasser, Andres
1 / 13 shared
Poprawe, Reinhart
1 / 10 shared
Pirch, Norbert
1 / 11 shared
Kacar, Y.
1 / 1 shared
Yu, Y.
1 / 11 shared
Omran, M.
1 / 6 shared
Fabritius, T.
1 / 60 shared
Heikkinen, E.
1 / 2 shared
Robert, M.
1 / 7 shared
Calvillo, L.
1 / 7 shared
Granozzi, G.
1 / 14 shared
Bonin, J.
1 / 2 shared
Chen, L.
1 / 32 shared
-C., Lau T.
1 / 1 shared
Blanco, M.
1 / 3 shared
Drazic, G.
1 / 3 shared
Ma, B.
1 / 6 shared
Rahimi, R.
2 / 10 shared
Mola, J.
2 / 20 shared
Biermann, Horst
2 / 342 shared
Harwarth, M.
1 / 1 shared
Duffy, M.
1 / 1 shared
Zargaran, A.
1 / 3 shared
Zupan, M.
1 / 1 shared
Xu, G.
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Sanehira, Y.
1 / 1 shared
Gogotsi, Y.
1 / 3 shared
Dallagnese, C.
1 / 1 shared
Miyasaka, T.
1 / 1 shared
Gao, Y.
1 / 13 shared
Wang, X.
2 / 79 shared
Dallagnese, Y.
1 / 1 shared
Jena, Ak
1 / 1 shared
Yang, L.
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Di Sarcina, I.
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Baccaro, S.
1 / 10 shared
Cemmi, A.
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Wang, Y.
1 / 134 shared
Jy, Liu
1 / 1 shared
Jg, Ren
1 / 1 shared
Man, Qi-Wen
1 / 1 shared
Wq, Zhong
1 / 1 shared
Liu, B.
1 / 27 shared
Yf, Zhao
1 / 1 shared
Bf, Nyimi
1 / 1 shared
Rf, Li
1 / 1 shared
Yy, Zheng
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Pascual, M. J.
1 / 39 shared
Velázquez, J. J.
2 / 9 shared
Gorni, G.
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Sundararajan, M.
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Balda, Rolindes
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Pascual, L.
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Fernández, J.
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Durán, A.
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Li, Jasmine
1 / 1 shared
Kawazoe, N.
1 / 1 shared
Chlanda, Adrian
1 / 15 shared
Święszkowski, Wojciech
1 / 53 shared
Bystrzejewski, Michał
1 / 7 shared
Dulińska-Molak, Ida
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Fernández, Joaquín
1 / 31 shared
Pascual, Laura
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Durán, Alicia
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Pascual, M. Jesús
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Gorni, Giulio
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Apicella, A.
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T., Petrescu F. I.
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Tamburrino, F.
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Parcesepe, D.
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Aversa, R.
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V., Petrescu R. V.
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Urbain, E.
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Coraux, Johann
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Majjad, H.
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Vu, A. D.
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Ochapski, M.
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Rougemaille, N.
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Koshikawa, T.
1 / 1 shared
Djeghloul, F.
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Yasue, T.
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Speisser, V.
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Spor, D.
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Bulou, H.
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Suzuki, M.
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Schmid, A. K.
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Weber, W.
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Artur, M.
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Bollström, Roger
1 / 10 shared
Toivakka, Martti
1 / 54 shared
Yang, A.
1 / 1 shared
Salminen, P.
1 / 4 shared
Chen, Qx
1 / 1 shared
Kumar, Vinay
1 / 13 shared
Bousfield, D.
1 / 3 shared
Holt, A. F.
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Lau, K. Y.
3 / 7 shared
Vaughan, Alun S.
3 / 70 shared
Hosier, Ian L.
3 / 20 shared
Yan, Q.
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Frumar, M.
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Wágner, T.
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Zima, V.
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Ren, J.
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Frumarová, B.
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Kalantar-Zadeh, Kourosh
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Lai, P. T.
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Yu, J.
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Wlodarski, Wojtek
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Illias, H. A.
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Yon, H. R.
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Mokhlis, H.
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Ariffin, A. M.
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Lewin, Pl
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Yarema, M.
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Heiss, Wolfgang
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Kohl, M.
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Haringer, D.
1 / 1 shared
Jakobs, P.
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Rosei, R.
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Desinan, S.
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Ma, D.
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Swingler, S. G.
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Choo, W.
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Chart of publication period
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2022
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Co-Authors (by relevance)

  • Jawahir, I. S.
  • Sarvesha, R.
  • Caudill, J.
  • Zhang, L.
  • Li, T.
  • Schopphoven, Thomas
  • Gasser, Andres
  • Poprawe, Reinhart
  • Pirch, Norbert
  • Kacar, Y.
  • Yu, Y.
  • Omran, M.
  • Fabritius, T.
  • Heikkinen, E.
  • Robert, M.
  • Calvillo, L.
  • Granozzi, G.
  • Bonin, J.
  • Chen, L.
  • -C., Lau T.
  • Blanco, M.
  • Drazic, G.
  • Ma, B.
  • Rahimi, R.
  • Mola, J.
  • Biermann, Horst
  • Harwarth, M.
  • Duffy, M.
  • Zargaran, A.
  • Zupan, M.
  • Xu, G.
  • Sanehira, Y.
  • Gogotsi, Y.
  • Dallagnese, C.
  • Miyasaka, T.
  • Gao, Y.
  • Wang, X.
  • Dallagnese, Y.
  • Jena, Ak
  • Yang, L.
  • Di Sarcina, I.
  • Baccaro, S.
  • Cemmi, A.
  • Wang, Y.
  • Jy, Liu
  • Jg, Ren
  • Man, Qi-Wen
  • Wq, Zhong
  • Liu, B.
  • Yf, Zhao
  • Bf, Nyimi
  • Rf, Li
  • Yy, Zheng
  • Pascual, M. J.
  • Velázquez, J. J.
  • Gorni, G.
  • Sundararajan, M.
  • Balda, Rolindes
  • Pascual, L.
  • Fernández, J.
  • Durán, A.
  • Li, Jasmine
  • Kawazoe, N.
  • Chlanda, Adrian
  • Święszkowski, Wojciech
  • Bystrzejewski, Michał
  • Dulińska-Molak, Ida
  • Fernández, Joaquín
  • Pascual, Laura
  • Durán, Alicia
  • Pascual, M. Jesús
  • Gorni, Giulio
  • Apicella, A.
  • T., Petrescu F. I.
  • Tamburrino, F.
  • Parcesepe, D.
  • Aversa, R.
  • V., Petrescu R. V.
  • Urbain, E.
  • Coraux, Johann
  • Majjad, H.
  • Vu, A. D.
  • Ochapski, M.
  • Rougemaille, N.
  • Koshikawa, T.
  • Djeghloul, F.
  • Yasue, T.
  • Speisser, V.
  • Spor, D.
  • Bulou, H.
  • Suzuki, M.
  • Schmid, A. K.
  • Weber, W.
  • Artur, M.
  • Bollström, Roger
  • Toivakka, Martti
  • Yang, A.
  • Salminen, P.
  • Chen, Qx
  • Kumar, Vinay
  • Bousfield, D.
  • Holt, A. F.
  • Lau, K. Y.
  • Vaughan, Alun S.
  • Hosier, Ian L.
  • Yan, Q.
  • Frumar, M.
  • Wágner, T.
  • Zima, V.
  • Ren, J.
  • Frumarová, B.
  • Kalantar-Zadeh, Kourosh
  • Lai, P. T.
  • Yu, J.
  • Wlodarski, Wojtek
  • Illias, H. A.
  • Yon, H. R.
  • Bakar, A. H. A.
  • Mokhlis, H.
  • Ariffin, A. M.
  • Lewin, Pl
  • Yarema, M.
  • Heiss, Wolfgang
  • Kohl, M.
  • Haringer, D.
  • Jakobs, P.
  • Rosei, R.
  • Desinan, S.
  • Rosei, F.
  • Ma, D.
  • Swingler, S. G.
  • Choo, W.
OrganizationsLocationPeople

article

Improving the hydrogen gas sensing performance of Pt/MoO3 nanoplatelets using a nano thick layer of La2O3

  • Chen, G.
  • Kalantar-Zadeh, Kourosh
  • Lai, P. T.
  • Yu, J.
  • Wlodarski, Wojtek
Abstract

In this paper, we present how a thin RF sputtered layer of lanthanum oxide (La2O3) can alter electrical and improve hydrogen gas sensing characteristics of Pt/molybdenum oxide (MoO3) nanostructures Schottky diodes. We derived the barrier height, ideality factor and dielectric constant from the measured I–V characteristics at operating temperatures in the range of 25–300 ◦C. The dynamic response, response and recovery times were obtained upon exposure to hydrogen gas at different concentrations. Analysis of the results indicated a substantial improvement to the voltage shift sensitivity of the sensors incorporating the La2O3 layer. We associate this enhancement to the formation of numerous trap states due to the presence of the La2O3 thin film on the MoO3 nanoplatelets. These trap states increase the intensity ofthe dipolar charges at the metal–semiconductor interface, which induce greater bending of the energy bands. However, results also indicate that the presence of La2O3 trap states also increases response and recover times as electrons trapping and de-trapping processes occur before they can pass through this thin dielectric layer.

Topics
  • molybdenum
  • thin film
  • dielectric constant
  • semiconductor
  • Hydrogen
  • positron annihilation lifetime spectroscopy
  • Photoacoustic spectroscopy
  • Lanthanum