Functional electronic materials

Functional Electronic Materials

Photo tool in lab — Photographer: Peter Modin

In the Functional Electronic Materials unit, we conduct scientific research on state-of-the-art functional materials and nanostructures for next-generation electronic and photonic devices.

nanostructures, spintronic materials, perovskites Our aim is to obtain a better understanding of the fundamental physical properties of novel, functional materials, to manage a precise control of the material properties, and to fully explore the functionality of the studied materials for applications in future generation micro- and nano-electronics and photonics as well as in potential multifunctional devices and systems. In our research, we currently focus on a few main areas: novel spintronic materials, highly mismatched semiconductor nanostructures, complex perovskite materials and organic semiconductor materials.

We conduct our research by means of a large array of state-of-the-art optical, magneto-optical and spin-resonance spectroscopic equipment, and in close collaboration with researchers world-wide.

Career and Education

Scientist by computer in laboratory. — Yuttapoom Puttisong and Jan Eric Stehr. Photographer: Ulrik Svedin

Career possibilities and Master students

Work with us?
We continuously look for highly motivated postdoc researchers in optical or/and spin-resonance spectroscopy of advanced semiconductors including lead-free double perovskites and III-V nanostructures. Those who are interested are encouraged to contact Prof. Weimin Chen

Master’s student?
We currently have the possibility to accept one or two master’s students to perform their thesis work in our research group. If you are interested, please contact Mattias Jansson.

Highlights at Functional Electronic Materials

Chart of SHG/SFG wavelength och Nanowire lasing wavelength

Efficient lasers at the nanoscale

In this study, Mattias Jansson and collaborators have investigated how the localization of excitons in tiny lasers fabricated in so-called nanowire structures can affect their performance.

Upcycling of light at the nanoscale

In this paper by Mattias Jansson and collaborators, they demonstrate how a semiconductor nanowire can efficiently absorb low energy light and convert it to light of a higher energy, a process which is called energy upconversion.

Spin injection and helicity control of surface spin photocurrent in a three dimensional topological insulator

In this paper, we show how a spin current can be injected from a conventional semiconductor, such as GaAs, to a topological insulator, Bi2Te3.

Anomalously strong second-harmonic generation in GaAs nanowires via crystal-structure engineering

In this work, we demonstrate highly efficient second-harmonic generation in subwavelength wurtzite (WZ) GaAs NWs, reaching 2.5x10-5 W-1 that is about 7 times higher than that of their zincblende counterpart.

Gr盲nssnitt mellan elektronspinn och fotoner baserade p氓 nano-pelare av halvledarmaterial ger en h枚g polarisation vid rumstemperatur

Room-temperature polarized spin-photon interface based on a semiconductor nanodisk-in-nanopillar structure driven by few defects

We demonstrate high optical polarization inferring high electron spin polarization at room temperature in a 1D system.

Near-Infrared Lasing at 1 渭m from a Dilute-Nitride-Based Multishell Nanowire

In this study, we demonstrate the NIR lasing at 1 渭m from GaAs/GaNAs/GaAs core/shell/cap dilute nitride nanowires with only 2.5% nitrogen.

Publications

2025

Mattias Jansson, Satoshi Hiura, Junichi Takayama, Akihiro Murayama, Fumitaro Ishikawa, Weimin Chen, Irina Buyanova (2025) The Journal of Physical Chemistry C, Vol. 129, p. 4456-4463 (Article in journal)

Satoshi Hiura, Saeko Hatakeyama, Mattias Jansson, Junichi Takayama, Irina Buyanova, Weimin Chen, Akihiro Murayama (2025) Physical Chemistry, Chemical Physics - PCCP (Article in journal)

Natachai Terawatsakul, Alireza Saberkari, Yuttapoom Puttisong, Morgan Madec (2025) Electronics, Vol. 14, Article 398 (Article in journal)

2024

Kunpot Mopoung, Weihua Ning, Muyi Zhang, Fuxiang Ji, Kingshuk Mukhuti, Hans Engelkamp, Peter C. M. Christianen, Utkarsh Singh, Johan Klarbring, Sergei I. Simak, Igor A. Abrikosov, Feng Gao, Irina A Buyanova, Weimin Chen, Yuttapoom Puttisong (2024) The Journal of Physical Chemistry C, Vol. 128, p. 5313-5320 (Article in journal)

Mattias Jansson, Weimin Chen, Irina Buyanova (2024) Journal of Applied Physics, Vol. 135, Article 044303 (Article in journal)

Kunpot Mopoung, Anna Dávid, Xianjie Liu, Mats Fahlman, Irina Buyanova, Weimin Chen, Yuttapoom Puttisong (2024) ACS Materials Letters, Vol. 6, p. 566-571 (Article in journal)

Jan Eric Stehr, Mattias Jansson, S. J. Pearton, J. S. McCloy, J. Jesenovec, B. L. Dutton, M. D. McCluskey, Weimin Chen, Irina Buyanova (2024) Applied Physics Letters, Vol. 124, Article 042104 (Article in journal)

Mattias Jansson, Valentyna Nosenko, Yuto Torigoe, Kaito Nakama, Mitsuki Yukimune, Akio Higo, Fumitaro Ishikawa, Weimin Chen, Irina Buyanova (2024) ACS Nano, Vol. 18, p. 1477-1484 (Article in journal)

Fuxiang Ji, Johan Klarbring, Bin Zhang, Feng Wang, Linqin Wang, Xiaohe Miao, Weihua Ning, Muyi Zhang, Xinyi Cai, Babak Bakhit, Martin Magnuson, Xiaoming Ren, Licheng Sun, Mats Fahlman, Irina A Buyanova, Weimin Chen, Sergei I Simak, Igor A. Abrikosov, Feng Gao (2024) Advanced Optical Materials, Vol. 12, Article 2301102 (Article in journal)

Fuxiang Ji, Bin Zhang, Weimin Chen, Irina A Buyanova, Feng Wang, Gerrit Boschloo (2024) Advanced Science, Vol. 11, Article 2306391 (Article in journal)

Our facilities at Functional Electronic Materials

Optical and magneto-optical spectroscopy (2-300 K, 0-10 T, UV-IR)

CW photoluminescence (PL) spectroscopy
CW PL excitation (PLE) spectroscopy
Time-resolved fs-ps laser spectroscopy
Magnetic circular dichroism (MCD) absorption and emission
Micro-PL and micro-Raman spectroscopy

Spin resonance spectroscopy (2-300 K)

CW and pulsed electron spin resonance (ESR) (9, 35 and 95 GHz)
CW and time-resolved optically detected magnetic resonance (ODMR) (9, 35 and 95 GHz)
Electron nuclear double resonance (ENDOR) and OD-ENDOR (9 GHz)
ESR imaging (1 and 9 GHz)

Cyclotron resonance (2-300 K, 9, 35 and 95 GHz)

Cyclotron resonance spectroscopy (CR)
Optically detected CR (ODCR)

Advanced STM/AFM microscopy/spectroscopy
(UHV, 9-300 K, vector-rotating magnet up to 4 T, optical and microwave access)

STM/AFM microscopy
Spin-polarized STM • Magnetic force microscopy

Raman spectroscopy (6-300 K, 0-5 T, UV-IR, micrometer resolution)

Electronic Raman spectroscopy
Structural Raman spectroscopy

Nano 3D-printer

Meniscus-guided 3D-printer for nanoscale additive manufacturing

SIMARC - Swedish Interdisciplinary Magnetic Resonance Center

Two men in laboratory. Experimenting with light.

SIMARC - Swedish Interdisciplinary Magnetic Resonance Center

The Swedish Interdisciplinary Magnetic Resonance Center is a cross-disciplinary research center, aiming to bring together and facilitate idea and information exchanges between the disciplines that use Magnetic Resonance.

Contact

Principal Investigators

Head of unit

Principal Investigator

Principal Investigator

Staff

Irina Bouianova

Professor, Head of Unit

Principal Research Engineer

Yuttapoom Puttisong

Associate Professor, Docent

Jan Eric Stehr

Associate Professor, Docent

Organisation

Electronic and photonic materials (EFM)

Our division's research is focused on the development of organic electronics for energy conversion and storage.

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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Functional Electronic Materials