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Materials Science

D-Index
64
Citations
11442
World Ranking
6011
National Ranking
25

Overview

Timo Sajavaara is a researcher affiliated with the University of Jyväskylä in Finland. Their academic work primarily spans the fields of Engineering and Materials Science, with a notable focus on subfields such as Electrical and Electronic Engineering, Materials Chemistry, Computational Mechanics, Biomedical Engineering, and Electronic, Optical and Magnetic Materials.

Their research interests cover various topics, including:

  • Semiconductor materials and devices
  • Electronic and Structural Properties of Oxides
  • Catalytic Processes in Materials Science
  • Ion-surface interactions and analysis
  • ZnO doping and properties
  • Diamond and Carbon-based Materials Research
  • Electrocatalysts for Energy Conversion

Recent publications by Sajavaara reflect a diverse scientific portfolio. Selected papers include:

  • "Droplet slipperiness despite surface heterogeneity at molecular scale," 2023, published in Nature Chemistry
  • "Antiferromagnetism and p-type conductivity of nonstoichiometric nickel oxide thin films," 2020, InfoMat
  • "Mechanical and optical properties of as-grown and thermally annealed titanium dioxide from titanium tetrachloride and water by atomic layer deposition," 2021, Thin Solid Films
  • "Ti Alloyed α-Ga2O3: Route towards Wide Band Gap Engineering," 2020, Apollo (University of Cambridge)
  • "What Determines the Electrochemical Properties of Nitrogenated Amorphous Carbon Thin Films?," 2021, Chemistry of Materials

Frequent collaborators include colleagues who have coauthored multiple times, such as Jaakko Julin (13 papers), Kai Arstila (9 papers), Mikko Laitinen (9 papers), Mari Napari (6 papers), and Sami Kinnunen (6 papers).

Sajavaara's work often appears in publication venues such as:

  • Chemistry of Materials
  • Journal of Vacuum Science & Technology A Vacuum Surfaces and Films
  • Nature Chemistry
  • Journal of Applied Physics
  • Materials Advances

The scope of Sajavaara's research outputs includes studies on semiconductor device engineering, oxide material properties, catalytic behaviors in materials science, and ion-surface interaction mechanisms. Their multidisciplinary approach draws on experimental and computational methods, reflected in the breadth of topics and venues.

Best Publications

  • Atomic Layer Deposition of Oxide Thin Films with Metal Alkoxides as Oxygen Sources

    Mikko Ritala;Kaupo Kukli;Antti Rahtu;Petri I. Räisänen

  • Atomic Layer Deposition of Platinum Thin Films

    Titta Aaltonen;Mikko Ritala;Timo Sajavaara;Juhani Keinonen

  • Effect of water dose on the atomic layer deposition rate of oxide thin films

    Raija Matero;Antti Rahtu;Mikko Ritala;Markku Leskelä

  • Atomic Layer Deposition of Photocatalytic TiO2 Thin Films from Titanium Tetramethoxide and Water

    Viljami Pore;Antti Rahtu;Markku Leskelä;Mikko Ritala

  • Atomic Layer Deposition of Hafnium Dioxide Films from Hafnium Tetrakis(ethylmethylamide) and Water

    Kaupo Kukli;Mikko Ritala;Timo Sajavaara;Juhani Keinonen

  • Potku - New analysis software for heavy ion elastic recoil detection analysis

    Kai Arstila;Jaakko Julin;Mikko Laitinen;Jarkko Aalto

  • Comparison of hafnium oxide films grown by atomic layer deposition from iodide and chloride precursors

    Kaupo Kukli;Mikko Ritala;Timo Sajavaara;Juhani Keinonen

  • Properties of hafnium oxide films grown by atomic layer deposition from hafnium tetraiodide and oxygen

    Kaupo Kukli;Mikko Ritala;Jonas Sundqvist;Jaan Aarik

  • Aluminum oxide from trimethylaluminum and water by atomic layer deposition: The temperature dependence of residual stress, elastic modulus, hardness and adhesion

    Oili M.E. Ylivaara;Xuwen Liu;Lauri Kilpi;Jussi Lyytinen

  • Atomic Layer Deposition of Titanium Oxide from TiI4 and H2O2

    Kaupo Kukli;Kaupo Kukli;Mikko Ritala;Mikael Schuisky;Markku Leskelä

  • Detection efficiency of time-of-flight energy elastic recoil detection analysis systems

    Yanwen Zhang;Harry J. Whitlow;Thomas Winzell;Ian F. Bubb

  • Atomic Layer Deposition of SrTiO3 Thin Films from a Novel Strontium Precursor–Strontium‐bis(tri‐isopropyl cyclopentadienyl)

    Marko Vehkamäki;Timo Hänninen;Mikko Ritala;Markku Leskelä

  • Low-temperature ALE deposition of Y2O3 thin films from β-diketonate precursors

    Matti Putkonen;Timo Sajavaara;Leena-Sisko Johansson;Lauri Niinistö

  • Atomic layer deposition of polyimide thin films

    Matti Putkonen;Jenni Harjuoja;Timo Sajavaara;Lauri Niinistö

  • Properties of AlN grown by plasma enhanced atomic layer deposition

    Markus Bosund;Timo Sajavaara;Mikko Laitinen;Teppo Huhtio

  • Plasma-Enhanced Atomic Layer Deposition of Silver Thin Films

    Maarit Kariniemi;Jaakko Niinistö;Timo Hatanpää;Marianna Kemell

  • Short-ranged structural rearrangement and enhancement of mechanical properties of organosilicate glasses induced by ultraviolet radiation

    F Iacopi;Y Travaly;B Eyckens;C Waldfried

  • Atomic Layer Deposition of Ta(Al)N(C) Thin Films Using Trimethylaluminum as a Reducing Agent

    Petra Alén;Marika Juppo;Mikko Ritala;Timo Sajavaara

  • Low-temperature atomic layer deposition of ZnO thin films: Control of crystallinity and orientation

    Jari Malm;Elina Sahramo;Juho Perälä;Timo Sajavaara

  • Analysis of ALD-processed thin films by ion-beam techniques

    Matti Putkonen;Timo Sajavaara;Lauri Niinistö;Juhani Keinonen

  • Surface-controlled growth of LaAlO3 thin films by atomic layer epitaxy

    Minna Nieminen;Timo Sajavaara;Eero Rauhala;Matti Putkonen

Frequent Co-Authors

Mikko Ritala
Mikko Ritala University of Helsinki
Markku Leskelä
Markku Leskelä University of Helsinki
Juhani Keinonen
Juhani Keinonen University of Helsinki
Kaupo Kukli
Kaupo Kukli University of Tartu
Matti Putkonen
Matti Putkonen University of Helsinki
Harri Lipsanen
Harri Lipsanen Aalto University
Lauri Niinistö
Lauri Niinistö Aalto University
Maarit Karppinen
Maarit Karppinen Aalto University

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