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Vanya Darakchieva

Professor, Head of Unit

Presentation

Publications

2023

Dat Tran, Tania Paskova, Vanya Darakchieva, Plamen Paskov (2023) On the thermal conductivity anisotropy in wurtzite GaN AIP Advances, Vol. 13, Article 095009 Continue to DOI
Ding-Yuan Chen, Axel Persson, Vanya Darakchieva, Per O A Persson, Jr-Tai Chen, Niklas Rorsman (2023) Structural investigation of ultra-low resistance deeply recessed sidewall ohmic contacts for AlGaN/GaN HEMTs based on Ti/Al/Ti-metallization Semiconductor Science and Technology, Vol. 38, Article 105006 Continue to DOI
Vallery Stanishev, Nerijus Armakavicius, Daniela Gogova-Petrova, Muhammad Nawaz, Niklas Rorsman, Plamen Paskov, Vanya Darakchieva (2023) Low Al-content n-type AlxGa1-xN layers with a high-electron-mobility grown by hot-wall metalorganic chemical vapor deposition Vacuum, Vol. 217, Article 112481 Continue to DOI
Philipp Gribisch, Rosalia Delgado Carrascon, Vanya Darakchieva, Erik Lind (2023) Capacitance and Mobility Evaluation for Normally-Off Fully-Vertical GaN FinFETs IEEE Transactions on Electron Devices, Vol. 70, p. 4101-4107 Continue to DOI
Axel Persson, Anders Gustafsson, Zhaoxia Bi, Lars Samuelson, Vanya Darakchieva, Per O A Persson (2023) Correlating cathodoluminescence and scanning transmission electron microscopy for InGaN platelet nano-LEDs Applied Physics Letters, Vol. 123, Article 022103 Continue to DOI

Research

Semiconductor Device Materials

Our research focuses on the development of novel semiconductor materials for high-frequency and power electronics.

News

Johanna Rosén and colleague in the lab

SEK 68 million for research into new materials

Materials scientists Vaya Darakchieva and Johanna Rosén have each been awarded over SEK 30 million from the Swedish Foundation for Strategic Research. They aim to develop new materials for more efficient energy systems.
Teraherz-labbet

Unique instrument shines through most everything

Low-frequency light reveals internal structures and properties in all conceivable materials. A research team at LiU has built a one-of-a-kind spectrometer that analyses samples with electromagnetic waves in the terahertz range.
Ångströmhuset - electron microscopy

30 millions to research infrastructure

Vanya Darakchieva and Per Persson, both at IFM, Department of Physics, Chemistry and Biology, each receive 15 million from SSF for the expansion of research infrastructure at LiU.

Organisation

A light-green thin sheet is immersed in water.

Semiconductor Materials (HALV)

Our division develops and investigates materials for novel electronics with the main focus on silicon carbide, III-nitrides and graphene.
Bild på en vaccumsputter

Department of Physics, Chemistry and Biology (IFM)

Undergraduate teaching and research in the areas of biology, chemistry, materials and applied physics and theory and modelling are conducted at this department.

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