Search Results - "Kuriplach, Jan"

Proposed parameter-free model for interpreting the measured positron annihilation spectra of materials using a generalized gradient approximation by Barbiellini, Bernardo, Kuriplach, Jan

“…Positron annihilation spectroscopy is often used to analyze the local electronic structure of materials of technological interest. Reliable theoretical tools…”
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Microstructure and Room Temperature Mechanical Properties of Different 3 and 4 Element Medium Entropy Alloys from HfNbTaTiZr System by Zýka, Jiří, Málek, Jaroslav, Veselý, Jaroslav, Lukáč, František, Čížek, Jakub, Kuriplach, Jan, Melikhova, Oksana

“…Refractory high entropy alloys (HEA) are promising materials for high temperature applications. This work presents investigations of the room temperature…”
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Helium behavior in ferritic/martensitic steels irradiated in spallation target by Krsjak, Vladimir, Kuriplach, Jan, Shen, Tielong, Sabelova, Veronika, Sato, Koichi, Dai, Yong

“…•We examine behavior of He-vacancy agglomerations in spallation samples of steels.•We identified two distinct groups of radiation induced defects.•Small…”
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Study of Rechargeable Batteries Using Advanced Spectroscopic and Computational Techniques by Barbiellini, Bernardo, Kuriplach, Jan, Saniz, Rolando

“…Improving the efficiency and longevity of energy storage systems based on Li- and Na-ion rechargeable batteries presents a major challenge. The main problems…”
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Positron unveiling high mobility graphene stack interfaces in Li-ion cathodes by Zheng, Meiying, Kuriplach, Jan, Makkonen, Ilja, Ferragut, Rafael, Di Noto, Vito, Pagot, Gioele, Laakso, Ekaterina, Barbiellini, Bernardo

“…Carbon-based coatings in Li-ion battery cathodes improve electron conductivity and enable rapid charging. However, the mechanism is not well understood. Here,…”
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First-Principles Study of the Impact of Grain Boundary Formation in the Cathode Material LiFePO4 by Kuriplach, Jan, Pulkkinen, Aki, Barbiellini, Bernardo

“…Motivated by the need to understand the role of internal interfaces in Li migration occurring in lithium-ion batteries, a first-principles study of a…”
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Defect studies of nanocrystalline zirconia powders and sintered ceramics by Čížek, Jakub, Melikhova, Oksana, Procházka, Ivan, Kuriplach, Jan, Kužel, Radomír, Brauer, Gerhard, Anwand, Wolfgang, Konstantinova, Tatyana E., Danilenko, Igor A.

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Identifying Redox Orbitals and Defects in Lithium-Ion Cathodes with Compton Scattering and Positron Annihilation Spectroscopies: A Review by Nokelainen, Johannes, Barbiellini, Bernardo, Kuriplach, Jan, Eijt, Stephan, Ferragut, Rafael, Li, Xin, Kothalawala, Veenavee, Suzuki, Kosuke, Sakurai, Hiroshi, Hafiz, Hasnain, Pussi, Katariina, Keshavarz, Fatemeh, Bansil, Arun

“…Reduction-oxidation (redox) reactions that transfer conduction electrons from the anode to the cathode are the fundamental processes responsible for generating…”
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Mössbauer Spectroscopy of Triphylite (LiFePO4) at Low Temperatures by Kmječ, Tomáš, Kohout, Jaroslav, Dopita, Milan, Veverka, Miroslav, Kuriplach, Jan

“…Low temperature magnetic ordering in the LiFePO 4 compound is investigated experimentally using Mössbauer spectroscopy and theoretically via first principles…”
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Improved generalized gradient approximation for positron states in solids by Kuriplach, Jan, Barbiellini, Bernardo

“…Several first-principles calculations of positron-annihilation characteristics in solids have added gradient corrections to the local-density approximation…”
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On the empirical determination of positron trapping coefficient at nano-scale helium bubbles in steels irradiated in spallation target by Krsjak, Vladimir, Kuriplach, Jan, Vieh, Christiane, Peng, Lei, Dai, Yong

“…In the present work, the specific positron trapping rate of small helium bubbles was empirically derived from positron annihilation lifetime spectroscopy…”
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Microstructural and magnetic properties of Mn2FeSi and Mn2FeAl alloys prepared in bulk form by Životský, Ondřej, Gembalová, Lucie, Jirásková, Yvonna, Szurman, Ivo, Čegan, Tomáš, Malina, Ondřej, Kuriplach, Jan, Čížek, Jakub

“…Microstructural and magnetic properties of the Mn2FeSi and Mn2FeAl alloys prepared in the bulk form have been investigated. Cylinder-shaped ingots produced by…”
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Spark plasma sintering of gas atomized high-entropy alloy HfNbTaTiZr by Lukac, Frantisek, Dudr, Martin, Musalek, Radek, Klecka, Jakub, Cinert, Jakub, Cizek, Jan, Chraska, Tomas, Cizek, Jakub, Melikhova, Oksana, Kuriplach, Jan, Zyka, Jiri, Malek, Jaroslav

“…A homogeneous HfNbTaTiZr high-entropy alloy was successfully processed via powder metallurgy route. For the initial powder feedstock material fabrication, the…”
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Structure of defects, their interactions and positron characteristics in Fe3Al system by KURIPLACH, Jan

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Structural characterization of H plasma-doped ZnO single crystals by positron annihilation spectroscopies by Anwand, Wolfgang, Brauer, Gerhard, Cowan, Thomas E., Grambole, Dieter, Skorupa, Wolfgang, Čížek, Jakub, Kuriplach, Jan, Procházka, Ivan, Egger, Werner, Sperr, Peter

“…Nominally undoped, hydrothermally grown ZnO single crystals have been investigated before and after exposure to remote H plasma. Structural characterizations…”
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First-principles study of the impact of grain boundary formation in the cathode material LiFePO4 by Kuriplach, Jan, Pulkkinen, Aki, Barbiellini, Bernardo

“…Condensed Matter 4, 80 (2019) Motivated by the need to understand the role of internal interfaces in Li migration occurring in Li-ion batteries, a first…”
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Structure characterization of applications and materials science H plasma-doped ZnO single crystals by positron annihilation spectroscopies by ANWAND, Wolfgang, BRAUER, Gerhard, COWAN, Thomas E, GRAMBOLE, Dieter, SKORUPA, Wolfgang, CIZEK, Jakub, KURIPLACH, Jan, PROCHAZKA, Ivan, EGGER, Werner, SPERR, Peter

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Proposed parameter-free model for interpreting the measured positron annihilation spectra of materials using a generalized gradient approximation by Barbiellini, Bernardo, Kuriplach, Jan

“…Physical Review Letters 114, 147401 (2015) Positron annihilation spectroscopy is often used to analyze the local electronic structure of materials of…”
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Annealing process in quenched Al-Sn alloys : A positron annihilation study by CIZEK, Jakub, MELIKHOVA, Oksana, PROCHAZKA, Ivan, KURIPLACH, Jan, STULIKOVA, Ivana, VOSTRY, Petr, FALTUS, Jiri

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Improved generalized gradient approximation for positron states in solids by Kuriplach, Jan, Barbiellini, Bernardo

“…Phys. Rev. B 89, 155111 (2014) Several first-principles calculations of positron-annihilation characteristics in solids have added gradient corrections to the…”
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