K. Kokko - Publications, H-index & Citations

K. Kokko

university of turku

24H指数

191论文数

2.4K被引数

收录论文 93

发表时间

Atomic-Level Insights Into the Initial Oxidative Crystallization of Si(100) to Periodic SiOx

Advanced Theory and Simulations

IF2.9

2026-01-24

OAAI

Divya Srivastava; Antti Lahti; Kalevi Kokko; Marko Punkkinen; Pekka Laukkanen

Transforming Schottky to Ohmic Contacts via Ultrahigh-Vacuum Engineered Interfacial Alloying

ACS Applied Materials and Interfaces

IF8.2

2025-12-01

PREAI

Ebrahimzadeh, Masoud; Piispanen, Perttu; Granroth, Sari; Miettinen, Mikko; Angervo, Ilari; Liu, Hanchen; Otsus, Markus; Punkkinen, Risto; Punkkinen, Marko; Vahanissi, Ville; Kokko, Kalevi; Paturi, Petriina; Kukli, Kaupo; Savin, Hele; Laukkanen, Pekka

Effect of H2O2 and H2O immersions on epitaxial GaInP-GaAs interfaces: Photoluminescence and x-ray photoelectron study H2O2和H2O浸泡对外延GaInP-GaAs界面的影响：光致发光和X射线光电子研究

Applied Surface Science

IF6.9

2025-11-07

OAAI

Zahra Jahanshah Rad; Mikko Miettinen; Johanna Laaksonen; Perttu Piispanen; Marko Punkkinen; Kalevi Kokko; Pekka Laukkanen; Antti Tukiainen; Heidi Tuorila; Helmer Piirilä; Jukka Viheriälä; Mircea Guina

Below 1% Reflectance for Black GaAs Surface Prepared by Facile Two-Step Wet Chemical Treatment: Hydrogen Peroxide and Water 通过简便两步湿化学处理制备的黑GaAs表面反射率低于1%：过氧化氢和水

advanced photonics

IF3.9

2025-07-15

OAAI

Zahra Jahanshah Rad; Johanna Laaksonen; Valtteri Alitupa; Mikko Miettinen; Kari Iltanen; Juha-Pekka Lehtiö; Sari Granroth; Ilari Angervo; Marko Punkkinen; Risto Punkkinen; Mikhail Kuzmin; Ermei Mäkilä; Pekka Laukkanen; Petriina Paturi; Kalevi Kokko; Sami Vuori; Mika Lastusaari; Harishchandra Singh; Marko Huttula; Manvedra Narayan Singh; Antti Tukiainen; Heidi Tuorila; Helmer Piirilä; Jukka Viheriälä; Mircea Guina; Jekaterina Kozlova; Mihkel Rähn; Aile Tamm

First-principles study on segregation anisotropy of grain boundaries in Pt-Au alloys 基于第一性原理的Pt-Au合金中晶界偏析各向异性研究

JOURNAL OF APPLIED PHYSICS

IF2.5

2025-02-06

OAAI

Yao, Xin; Guo, Ya-Fang; Li, Wei; Kokko, Kalevi; Li, Changle; Vitos, Levente

Dry cleaning of InSb surfaces by hydrogen molecule exposure in ultrahigh vacuum

APPLIED SURFACE SCIENCE

IF6.9

2024-12-01

OAAI

Rad, Zahra Jahanshah; Miettinen, Mikko; Punkkinen, Marko; Laukkanen, Pekka; Kokko, Kalevi

Bridging the gap between surface physics and photonics

REPORTS ON PROGRESS IN PHYSICS

IF20.7

2024-03-06

OAAI

Laukkanen, Pekka; Punkkinen, Marko; Kuzmin, Mikhail; Kokko, Kalevi; Liu, Xiaolong; Radfar, Behrad; Vahanissi, Ville; Savin, Hele; Tukiainen, Antti; Hakkarainen, Teemu; Viheriala, Jukka; Guina, Mircea

Wet Chemical Treatment and Mg Doping of p-InP Surfaces for Ohmic Low-Resistive Metal Contacts

ADVANCED ENGINEERING MATERIALS

IF3.3

2023-07-28

OAAI

Ebrahimzadeh, Masoud; Granroth, Sari; Vuori, Sami; Punkkinen, Marko; Miettinen, Mikko; Punkkinen, Risto; Kuzmin, Mikhail; Laukkanen, Pekka; Lastusaari, Mika; Kokko, Kalevi

RETRACTED: Reversible oxygen-driven c(4 x 4) ⇆ (1 x 2) phase transition on the Ba/Ge (100) surface (Retracted article. See vol. 623, 2023)

APPLIED SURFACE SCIENCE

IF6.9

2023-06-01

OAAI

Kuzmin, M.; Ebrahimzadeh, M.; Lehtio, J. -p.; Rad, Z. J.; Miettinen, M.; Punkkinen, M. P. J.; Laukkanen, P.; Kokko, K.

Properties and modification of native oxides of InP(100)InP(100) 天然氧化物的性质和改性

JOURNAL OF PHYSICS D-APPLIED PHYSICS

IF3.2

2022-12-13

PREAI

Ebrahimzadeh, Masoud; Vuori, Sami; Miettinen, Mikko; Lehtio, Juha-Pekka; Granroth, Sari; Punkkinen, Marko P. J.; Rad, Zahra Sadat Jahanshah; Punkkinen, Risto; Kuzmin, Mikhail; Laukkanen, Pekka; Lastusaari, Mika; Kokko, Kalevi

Controlling the fixed negative charge formation in Si/high-k interfaces

PHYSICAL REVIEW MATERIALS

IF3.4

2022-09-19

PREAI

Lehtio, Juha-Pekka; Rad, Zahra Jahanshah; Punkkinen, Marko; Punkkinen, Risto; Kuzmin, Mikhail; Laukkanen, Pekka; Kokko, Kalevi

Effects of post oxidation of SiO2/Si interfaces in ultrahigh vacuum below 450?C

VACUUM

IF3.9

2022-08-01

OAAI

Rad, Zahra Jahanshah; Lehtio, Juha-Pekka; Chen, Kexun; Mack, Iris; Vahanissi, Ville; Miettinen, Mikko; Punkkinen, Marko; Punkkinen, Risto; Suomalainen, Petri; Hedman, Hannu-Pekka; Kuzmin, Mikhail; Kozlova, Jekaterina; Rahn, Mihkel; Tamm, Aile; Savin, Hele; Laukkanen, Pekka; Kokko, Kalevi

Optimization of SiO2 with GHA and basin hopping

COMPUTATIONAL MATERIALS SCIENCE

IF3.3

2022-07-01

PREAI

Lahti, Antti; Ostermark, Ralf; Kokko, Kalevi

Interatomic Fe-Cr potential for modeling kinetics on Fe surfaces

COMPUTATIONAL MATERIALS SCIENCE

IF3.3

2022-02-01

OAAI

Kuopanportti, Pekko; Ropo, Matti; Holmberg, Daniel; Levamaki, Henrik; Kokko, Kalevi; Granroth, Sari; Kuronen, Antti

Atomic-Scale Modification of Oxidation Phenomena on the Ge(100) Surface by Si Alloying

acs nanoscience au

IF6.5

2021-12-16

OAAI

Kuzmin, Mikhail; Lehtio, Juha-Pekka; Rad, Zahra Jahanshah; Sorokina, Svetlana V.; Punkkinen, Marko P. J.; Hedman, Hannu-Pekka; Punkkinen, Risto; Laukkanen, Pekka; Kokko, Kalevi

Stabilization of unstable and metastable InP native oxide thin films by interface effects

APPLIED SURFACE SCIENCE

IF6.9

2021-11-01

OAAI

Punkkinen, M. P. J.; Lahti, A.; Huhtala, J.; Lehtio, J-P; Rad, Z. J.; Kuzmin, M.; Laukkanen, P.; Kokko, K.

Atomic and electronic structures of Si/Ge(100) interfaces studied by high-resolution photoelectron spectroscopy and scanning tunneling microscopy

PHYSICAL REVIEW B

IF3.7

2021-05-21

PREAI

Kuzmin, M.; Lehtio, J-P; Rad, Z. J.; Sorokina, S., V; Punkkinen, M. P. J.; Laukkanen, P.; Kokko, K.

Oxygen adsorption on (100) surfaces in Fe-Cr alloys

SCIENTIFIC REPORTS

IF3.9

2021-03-15

OAAI

Ropo, Matti; Punkkinen, Marko; Kuopanportti, Pekko; Yasir, Muhammad; Granroth, Sari; Kuronen, Antti; Kokko, Kalevi

Passivation of III-V surfaces with crystalline oxidation

APPLIED PHYSICS REVIEWS

IF11.6

2021-02-10

OAAI

Laukkanen, P.; Punkkinen, M. P. J.; Kuzmin, M.; Kokko, K.; Lang, J.; Wallace, R. M.

Decreasing Interface Defect Densities via Silicon Oxide Passivation at Temperatures Below 450 °C

ACS APPLIED MATERIALS & INTERFACES

IF8.2

2020-09-22

PREAI

Rad, Zahra Jahanshah; Lehtio, Juha-Pekka; Mack, Iris; Rosta, Kawa; Chen, Kexun; Vahanissi, Ville; Punkkinen, Marko; Punkkinen, Risto; Hedman, Hannu-Pekka; Pavlov, Andrei; Kuzmin, Mikhail; Savin, Hele; Laukkanen, Pekka; Kokko, Kalevi

研究方向