Research output per year
Research output per year
Personal profile
Education/Academic qualification
Doctoral degree, Natural Sciences, Fudan University (复旦大学)
Award Date: 28 Jun 2020
External positions
Visiting staff, University of Melbourne
Nov 2025 → Jan 2026
Keywords
- Atomic layer deposition
- Characterization
- Data management
- Defect engineering
- Femtosecond laser
- Germanium
- Microfabrication
- Optoelectronics
- Surface passivation
- Surface texturing
- Sensors
- Silicon
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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SDG 7 Affordable and Clean Energy -
SDG 9 Industry, Innovation, and Infrastructure -
SDG 11 Sustainable Cities and Communities
Fingerprint
Dive into the research topics where Xiaolong Liu is active. These topic labels come from the works of this person. Together they form a unique fingerprint.
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Collaborations and top research areas from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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Challenges in Simultaneous Microstructuring and Hyperdoping of Germanium with Ultrafast Laser
Gnatyuk, D., Hamed, S., Ebrahimzadeh, M., Liu, H., Vähänissi, V., Laukkanen, P., Savin, H. & Liu, X., 22 Apr 2026, In: Physica Status Solidi. A: Applications and Materials Science. 223, 8, e202500987.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile3 Downloads (Pure) -
Controlled surface cleaning of MACE-nanotextured Ge for cost-efficient high-performance UV-SWIR photodetection
Terletskaia, M., Liu, H., Liu, X., Vähänissi, V. & Savin, H., 2026, (Accepted/In press).Research output: Contribution to conference › Abstract › Scientific › peer-review
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Monolithic expandable-FOV metalens enabled by radially gradient-tilted meta-atoms
Zhang, F., Han, G., Tian, Y., Ma, Y., Yu, X. & Liu, X., May 2026, In: Optics and Lasers in Engineering. 200, 109615.Research output: Contribution to journal › Article › Scientific › peer-review
1 Citation (Scopus) -
Multi-channel modulation of vortex auto-focusing Airy beams and full-polarization states detection on a monolithic metasurface
Han, G., Liu, K., Zhang, F., Peng, Y., Tian, Y., Liu, X. & Yu, X., Mar 2026, In: Journal of Quantitative Spectroscopy and Radiative Transfer. 352, 109815.Research output: Contribution to journal › Article › Scientific › peer-review
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Nanostructuring SiC by sequential plasma oxidation and reactive ion etching
Isometsä, J., Bieleviciute, A., Liu, X., Vähänissi, V. & Savin, H., 1 Oct 2026, In: Applied Surface Science. 742, 167190.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile3 Downloads (Pure)
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HyperGER: Femtosecond-Laser Hyperdoped Germanium for Broadband Infrared Photonic Applications
Liu, X. (Principal investigator), Gnatyuk, D. (Project Member) & Radfar, B. (Project Member)
01/09/2023 → 31/08/2027
Project: RCF Academy Research Fellow (new)
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PREIN 2: Photonics Research and Innovation
Naukkarinen, O. (Principal investigator), Ding, E. (Project Member), Liu, X. (Project Member), Vähänissi, V. (Project Member), Li, D. (Project Member), Ahmed, F. (Project Member), Sehrawat, S. (Project Member), Shafi, A. (Project Member), Zang, X. (Project Member), Radfar, B. (Project Member), Yli-Koski, M. (Project Member), Mehmood, N. (Project Member), Sun, Z. (Co-PI), Kaivola, M. (Co-PI), Savin, H. (Co-PI), Oksanen, J. (Co-PI) & Lipsanen, H. (Co-PI)
01/09/2022 → 31/12/2026
Project: RCF Flagship
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FemtoBlack: Femtosecond laser sulfur hyperdoped black silicon for infrared photonic applications
Savin, H. (Principal investigator), Yli-Koski, M. (Project Member), Liu, X. (Project Member), Setälä, O. (Project Member) & Radfar, B. (Project Member)
01/03/2020 → 31/08/2023
Project: BF Co-Innovation
Datasets
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Dataset for "Highly strained Ge nanostructures and direct bandgap transition induced by femtosecond laser"
Liu, X. (Creator), Zenodo, 25 Mar 2025
DOI: 10.5281/zenodo.15082447, https://zenodo.org/records/15082448
Dataset
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Measurement and simulation of optical properties of nanostructured silicon heavily implanted with selenium
Radfar, B. (Creator), Liu, X. (Contributor), Berencen, Y. (Contributor), Shaikh, M. S. (Contributor), Prucnal, S. (Contributor), Kentsch, U. (Contributor), Vähänissi, V. (Contributor), Zhou, S. (Contributor) & Savin, H. (Contributor), Zenodo, 13 May 2024
DOI: 10.5281/zenodo.10522962, https://zenodo.org/records/10522963
Dataset
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Data set for paper 'Impact of post-ion implantation annealing on Se-hyperdoped Ge'
Liu, X. (Creator), Mc Kearney, P. (Contributor), Schäfer, S. (Contributor), Radfar, B. (Contributor), Berencen, Y. (Contributor), Kentsch, U. (Contributor), Vähänissi, V. (Contributor), Zhou, S. (Contributor), Kontermann, S. (Contributor) & Savin, H. (Contributor), Zenodo, 27 Jun 2024
DOI: 10.5281/zenodo.10963586, https://doi.org/10.5281/zenodo.12567660
Dataset
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Dataset for paper "Fs-laser significantly enhances both above- and below-bandgap absorption in germanium"
Liu, X. (Creator), Zenodo, 8 Aug 2024
DOI: 10.5281/zenodo.13268475, https://zenodo.org/records/13268476
Dataset
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Dataset for Femtosecond-Laser-Surface-Nanostructured Glass in BIPV Applications
Meng, L. (Creator), Awashra, M. (Creator), Hamed, S. (Creator), Gnatyuk, D. (Creator), Vähänissi, V. (Creator), Jokinen, V. (Creator), Savin, H. (Creator) & Liu, X. (Creator), Zenodo, 20 Nov 2024
DOI: 10.5281/zenodo.14190522, https://zenodo.org/records/14190523
Dataset
Prizes
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Academy Research Fellowship
Liu, X. (Recipient), 16 May 2023
Prize: Granted funding (personal grants)
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Optica reviewer certificate
Liu, X. (Recipient), 2024
Prize: Award or honor granted for a specific work
File -
Optica reviewer certificate
Liu, X. (Recipient), 2023
Prize: Award or honor granted for a specific work
File
Activities
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University of Melbourne
Liu, X. (Visiting researcher)
Nov 2025 → Feb 2026Activity: Visiting an external institution types › Visiting an external academic institution
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Ultrafast Laser Hyperdoping: From Silicon to Germanium
Liu, X. (Speaker)
15 Sept 2025Activity: Talk or presentation types › Invited academic talk
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Effect Of The Morphology Of Black Silicon Passivated By Alumina On The Performance Of Interdigitated Back Contact Solar Cells
Khelifati, N. (Contributor), Aydın, O. (Speaker), Arıkan, B. (Contributor), Fortas, G. (Contributor), Harkat, L. (Contributor), Vähänissi, V. (Contributor), Liu, X. (Contributor), Kezzoula, F. (Contributor) & Turan, R. (Contributor)
5 Jul 2024Activity: Talk or presentation types › Conference presentation
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Sulfur-hyperdoped silicon by ultrashort laser processing
Schäfer, S. (Speaker), Mc Kearney, P. (Contributor), Paulus, S. (Contributor), Liu, X. (Contributor), Radfar, B. (Speaker), Vähänissi, V. (Contributor), Mutschall, D. (Contributor), Koskinen, V. (Contributor), Serue, M. (Contributor), Niemeyer, T. (Contributor), Seibt, M. (Contributor), Savin, H. (Contributor) & Kontermann, S. (Contributor)
16 Sept 2024Activity: Talk or presentation types › Invited academic talk
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Effect of rapid thermal annealing on optical and structural properties of fs-laser surface processed Ge
Gnatyuk, D. (Speaker), Radfar, B. (Contributor), Savin, H. (Contributor) & Liu, X. (Contributor)
5 Sept 2024Activity: Talk or presentation types › Conference presentation
Press/Media
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Using laser processed glass as solar concentrators for BIPV
09/04/2025
1 Media contribution
Press/Media: Media appearance
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How Heating Methods Improve Hyperdoped Germanium for Infrared Devices
22/07/2024
1 Media contribution
Press/Media: Media appearance
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Electron Physics group embraces open data
02/04/2024
1 item of Media coverage
Press/Media: Media appearance
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Tanesh Kumar and Xiaolong Liu start as Data Agents at the School of Electrical Engineering
Icheln, C., Atmojo, U. & Liu, X.
01/11/2023
1 item of Media coverage
Press/Media: Media appearance
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Aalto University Reports Findings in Science (Boron-Implanted Black Silicon Photodiode with Close-to-Ideal Responsivity from 200 to 1000 nm)
Savin, H., Vähänissi, V., Liu, X. & Radfar, B.
06/07/2023
1 item of Media coverage
Press/Media: Media appearance