MSc Zahra Jahanshah Rad - UTU Research Portal

Zahra Jahanshah Rad
MSc

- Project Researcher,
Materials Research Laboratory (Department of Physics and Astronomy)
- Doctoral Researcher,
Department of Physics and Astronomy (Faculty of Science)

zahra.s.jahanshahrad@utu.fi

Office: P80

ORCID identifier: https://orcid.org/0000-0001-6943-2256

Areas of expertise

PhD candidate at the Material Research Laboratory

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 resistivity (2025)
- Applied Surface Science
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)
Potential of ultrahigh-vacuum based surface treatments in silicon technology (2025)
- Microelectronic Engineering
Jahanshah Rad, Zahra; Miettinen, Mikko; Punkkinen, Risto; Suomalainen, Petri; Punkkinen, Marko; Laukkanen, Pekka; 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)
Wet chemical and ultra-high vacuum treatments of semiconductor surfaces to decrease electrical and optical losses in devices (2025) Jahanshah Rad, Zahra
(G5 Article dissertation )
Dry cleaning of InSb surfaces by hydrogen molecule exposure in ultrahigh vacuum (2024)
- Applied Surface Science
Jahanshah Rad, Zahra; Miettinen, Mikko; Punkkinen, Marko; Laukkanen, Pekka; Kokko, Kalevi
(A1 Refereed original research article in a scientific journal)
Modeling the Influence of Deposition Parameters on the Crystalline Degree in the Simulation of Polycrystalline Silicon (2024)
- physica status solidi (b)
Santonen, Mikael; Lahti, Antti; Srivastava, Divya; Jahanshah Rad, Zahra; Miettinen, Mikko; Ebrahimzadeh, Masoud; Laaksonen, Johanna; Laukkanen, Pekka; Punkkinen, Marko; Kokko, Kalevi; Kuronen, Antti; Parkkinen, Katja; Eklund, Markus
(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 Engineering
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)
Effects of Ultrahigh Vacuum Treatments on Wet Chemically Cleaned Si Surfaces (2023)
- Solid State Phenomena
Ultra Clean Processing of Semiconductor Surfaces XVI: Selected peer-reviewed full text papers from the 16th International Symposium on Ultra Clean Processing of Semiconductor Surfaces (UCPSS 2023) Rad, Zahra Jahanshah; Miettinen, Mikko; Punkkinen, Marko; Laukkanen, Pekka; Kokko, Kalevi; Vähänissi, Ville; Savin, Hele
(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 Science
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)
Effects of thermal vacuum nitridation of Si(100) surface via NH3 exposure (2022)
- Thin Solid Films
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)
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)