Juha-Pekka Lehtiö

- Doctoral Researcher,
Department of Physics and Astronomy (Faculty of Science)

jpmleh@utu.fi

Publications

1 of 2

A Detailed Examination of Polysilicon Resistivity Incorporating the Grain Size Distribution (2025)
- IEEE Transactions on Electron Devices
Santonen, Mikael; Lahti, Antti; Jahanshah Rad, Zahra; Miettinen, Mikko; Ebrahimzadeh, Masoud; Lehtiö, Juha-Pekka; Snellman, Enni; Laukkanen, Pekka; Punkkinen, Marko; Kokko, Kalevi; Parkkinen, Katja; Eklund, Markus
(A1 Refereed original research article in a scientific journal)
Below 1% Reflectance for Black GaAs Surface Prepared by Facile Two-Step Wet Chemical Treatment: Hydrogen Peroxide and Water (2025)
- Advanced photonics research
Jahanshah Rad, Zahra; Laaksonen, Johanna; Alitupa, Valtteri; Miettinen, Mikko; Iltanen, Kari; Lehtiö, Juha-Pekka; Granroth, Sari; Angervo, Ilari; Punkkinen, Marko; Punkkinen, Risto; Kuzmin, Mikhail; Mäkilä, Ermei; Laukkanen, Pekka; Paturi, Petriina; Kokko, Kalevi; Vuori, Sami; Lastusaari, Mika; Singh, Harishchandra; Huttula, Marko; Singh, Manvedra Narayan; Tukiainen, Antti; Tuorila, Heidi; Piirilä, Helmer; Viheriälä, Jukka; Guina, Mircea; Kozlova, Jekaterina; Rähn, Mihkel; Tamm, Aile
(A1 Refereed original research article in a scientific journal)
Effects of ultra-high vacuum treatments on n-type Si contact resistivityEffects of thermal vacuum nitridation of Si(100) surface via NH3 exposure (2025)
- Applied Surface ScienceThin Solid Films
Miettinen, Mikko; Vuorinen, Esa; Lehtio, Juha-Pekka; Rad, Zahra Jahanshah; Punkkinen, Risto; Kuzmin, Mikhail; Jarvinen, Jarno; Vahanissi, Ville; Laukkanen, Pekka; Savin, Hele; Kokko, Kalevi
(A1 Refereed original research article in a scientific journal)
Surface Properties of p‐GaN and Formation of Nickel Metal Contacts (2025)
- Advanced Materials Interfaces
Miettinen, Mikko; Nuutila, Vesa; Jahanshah Rad, Zahra; Ebrahimzadeh, Masoud; Ruokonen, Anni; Punkkinen, Risto; Lehtio, Juha-Pekka; Punkkinen, Marko; Laukkanen, Pekka; Kokko, Kalevi; Suihkonen, Sami; Savin, Hele; Wang, Weimin
(A1 Refereed original research article in a scientific journal)
Polycrystalline silicon, a molecular dynamics study: I. Deposition and growth modes (2024)
- Modelling and Simulation in Materials Science and Engineering
Santonen, Mikael; Lahti, Antti; Jahanshah Rad, Zahra; Miettinen, Mikko; Ebrahimzadeh, Masoud; Lehtiö, Juha-Pekka; Laukkanen, Pekka; Punkkinen, Marko; Paturi, Petriina; Kokko, Kalevi; Kuronen, Antti; Li, Wei; Vitos, Levente; Parkkinen, Katja; Eklund, Markus
(A1 Refereed original research article in a scientific journal)
Polycrystalline silicon, a molecular dynamics study: II. Grains, grain boundaries and their structure (2024)
- Modelling and Simulation in Materials Science and EngineeringProceedings of the National Academy of Sciences of the United States of America
Lahti, Antti; Santonen, Mikael; Rad, Zahra Jahanshah; Miettinen, Mikko; Ebrahimzadeh, Masoud; Lehtiö, Juha-Pekka; Laukkanen, Pekka; Punkkinen, Marko; Paturi, Petriina; Kokko, Kalevi; Kuronen, Antti; Li, Wei; Vitos, Levente; Parkkinen, Katja; Eklund, Markus
(A1 Refereed original research article in a scientific journal)
Efficient surface passivation of germanium nanostructures with 1% reflectance (2023)
- Nanotechnology
Fung Tsun Hang, Isometsä Joonas, Lehtiö Juha-Pekka, Pasanen Toni P., Liu Hanchen, Leiviskä Oskari, Laukkanen Pekka, Savin Hele, Vähänissi Ville
(A1 Refereed original research article in a scientific journal)
Properties and modification of native oxides of InP(100) (2023)
- Journal of Physics D: Applied Physics
Ebrahimzadeh Masoud, Vuori Sami, Miettinen Mikko, Lehtiö Juha-Pekka, Granroth Sari, Punkkinen Marko P. J., Jahanshah Rad Zahra Sadat, Punkkinen Risto, Kuzmin Mikhail, Laukkanen Pekka, Lastusaari Mika, Kokko Kalevi
(A1 Refereed original research article in a scientific journal)
Quantifying the Impact of Al Deposition Method on Underlying Al2O3/Si Interface Quality (2023)
- physica status solidi (a)
Mack Iris, Rosta Kawa, Quliyeva Ulviyya, Ott Jennifer, Pasanen Toni P, Vähänissi Ville, Jahanshah Rad Zahra Sadat, Lehtiö Juha-Pekka, Laukkanen Pekka, Soldano Caterina, Savin Hele
(A1 Refereed original research article in a scientific journal)
Reversible oxygen-driven c(4 x 4) ↔ (1 x 2) phase transition on the Ba/Ge (100) surface (RETRACTED) (2023)
- Applied Surface ScienceConference Record IEEE Photovoltaic Specialists Conference
Kuzmin Mikhail, Ebrahimzadeh Masoud, Lehtiö Juha-Pekka, Rad Zahra Jahanshah, Miettinen Mikko, Punkkinen Marko P.J., Laukkanen Pekka, Kokko Kalevi
(Other publication)
Surface Passivation of Germanium with ALD Al2O3: Impact of Composition and Crystallinity of GeOx Interlayer (2023)
- Crystals
Isometsä Joonas, Jahanshah Rad Zahra, Fung Tsun H., Liu Hanchen, Lehtiö Juha-Pekka, Pasanen Toni P., Leiviskä Oskari, Miettinen Mikko, Laukkanen Pekka, Kokko Kalevi, Savin Hele, Vähänissi Ville
(A1 Refereed original research article in a scientific journal)
Controlling the fixed negative charge formation in Si/high-k interfaces (2022)
- Physical Review Materials
Lehtiö Juha-Pekka, Jahanshah Rad Zahra, Punkkinen Marko, Punkkinen Risto, Kuzmin Mikhail, Laukkanen Pekka, Kokko Kalevi
(A1 Refereed original research article in a scientific journal)
Effects of post oxidation of SiO2/Si interfaces in ultrahigh vacuum below 450 °C (2022)
- Vacuum
Jahanshah Rad Zahra, Lehtiö Juha-Pekka, Chen Kexun, Mack Iris, Vähänissi Ville, Miettinen Mikko, Punkkinen Marko, Punkkinen Risto, Suomalainen Petri, Hedman Hannu-Pekka, Kuzmin Mikhail, Kozlova Jekaterina, Rähn Mihkel, Tamm Aile, Savin Hele, Laukkanen Pekka, Kokko Kalevi
(A1 Refereed original research article in a scientific journal)
(2022)
Ebrahimzadeh Masoud, Lehtiö Juha-Pekka, Punkkinen Marko, Punkkinen Risto, Miettinen Mikko, Jahanshah Rad Zahra, Kuzmin Mikhail, Laukkanen Pekka, Kokko Kalevi
(A1 Refereed original research article in a scientific journal)
Reusable radiochromic hackmanite with gamma exposure memory (2022)
- Materials Horizons
Vuori Sami, Colinet Pauline, Lehtiö Juha-Pekka, Lemiere Arnaud, Norrbo Isabella, Granström Micael, Konu Jari, Ågren Göran, Laukkanen Pekka, Petit Laeticia, Airaksinen Anu J., van Goethem Ludo, Le Bahers Tangui, Lastusaari Mika
(A1 Refereed original research article in a scientific journal)
The structural origin of the efficient photochromism in natural minerals (2022)
Colinet Pauline, Byron Hannah, Vuori Sami, Lehtiö Juha-Pekka, Laukkanen Pekka, Van Goethem Ludo, Lastusaari Mika, Le Bahers Tangui
(A1 Refereed original research article in a scientific journal)
Atomic and electronic structures of Si/Ge(100) interfaces studied by high-resolution photoelectron spectroscopy and scanning tunneling microscopy (2021)
- Physical Review B
Kuzmin Mikhail, Lehtiö Juha-Pekka, Jahanshah Rad Zahra, Sorokina SV, Punkkinen Marko PJ, Laukkanen Pekka, Kokko Kalevi
(A1 Refereed original research article in a scientific journal)
Atomic-Scale Modification of Oxidation Phenomena on the Ge(100) Surface by Si Alloying (2021)
- ACS Materials Au
Kuzmin Mikhail, Lehtiö Juha-Pekka, Jahanshah Rad Zahra, Sorokina Svetlana V., Punkkinen Marko P. J., Hedman Hannu-Pekka, Punkkinen Risto, Laukkanen Pekka, Kokko Kalevi
(A1 Refereed original research article in a scientific journal)
Black silicon boron emitter solar cells with EQE above 95% in UV (2021)
2020 47th IEEE Photovoltaic Specialists Conference (PVSC) Chen Kexun, Vähänissi Ville, Jahanshah Rad Zahra, Lehtiö Juha-Pekka, Laukkanen Pekka, Yli-Koski Marko, Savin Hele
(A4 Refereed article in a conference publication )
Evidence for the Eu 4f Character of Conduction-Band Edge at the Eu2O3 Surface Studied by Scanning Tunneling Spectroscopy (2021)
- Surface Science
Lehtiö Juha Pekka, Hadamek Tobias, Kuzmin Mikhail, Laukkanen Pekka, Demkov Alexander A
(A1 Refereed original research article in a scientific journal)