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@article{1686665,
author = {Vykoukal, Vít and Zelenka, František and Buršík, Jiří and Káňa, Tomáš and Kroupa, Aleš and Pinkas, Jiří},
article_location = {Oxford},
article_number = {JUN 2020},
doi = {http://dx.doi.org/10.1016/j.calphad.2020.101741},
keywords = {Melting point depression; CALPHAD; Phase diagram; Nanoparticles; Core-shell; Transmission electron microscopy},
language = {eng},
issn = {0364-5916},
journal = {Computer Coupling of Phase Diagrams and Thermochemistry},
title = {Thermal properties of Ag@Ni core-shell nanoparticles},
url = {http://dx.doi.org/10.1016/j.calphad.2020.101741},
volume = {69},
year = {2020}
}
TY - JOUR
ID - 1686665
AU - Vykoukal, Vít - Zelenka, František - Buršík, Jiří - Káňa, Tomáš - Kroupa, Aleš - Pinkas, Jiří
PY - 2020
TI - Thermal properties of Ag@Ni core-shell nanoparticles
JF - Computer Coupling of Phase Diagrams and Thermochemistry
VL - 69
IS - JUN 2020
SP - 1-8
EP - 1-8
PB - Pergamon-Elsevier Science Ltd
SN - 03645916
KW - Melting point depression
KW - CALPHAD
KW - Phase diagram
KW - Nanoparticles
KW - Core-shell
KW - Transmission electron microscopy
UR - http://dx.doi.org/10.1016/j.calphad.2020.101741
L2 - http://dx.doi.org/10.1016/j.calphad.2020.101741
N2 - We synthesized Ag@Ni core-shell nanoparticles by the solvothermal hot injection method and characterized them as for their shape and size by dynamic light scattering (DLS), small-angle X-ray scattering (SAXS), and transmission electron microscopy (TEM). We previously demonstrated their core-shell structure by scanning transmission electron microscopy with energy dispersive spectroscopy (STEM-EDS). The silver/nickel phase diagram was calculated by the CALPHAD method, and the melting points of 10, 15, and 20 nm silver nanoparticles were predicted at 930.2, 940.7, and 946.0 degrees C, respectively. We took advantage of the nickel shell to avoid silver sintering and to confirm the calculated melting point depression (MPD). The results obtained from the differential scanning calorimetry (DSC) experiments revealed the melting points of 11-15 nm nanoparticles at 944-949 degrees C in agreement with calculated values.
ER -
VYKOUKAL, Vít, František ZELENKA, Jiří BURŠÍK, Tomáš KÁŇA, Aleš KROUPA a Jiří PINKAS. Thermal properties of Ag@Ni core-shell nanoparticles. \textit{Computer Coupling of Phase Diagrams and Thermochemistry}. Oxford: Pergamon-Elsevier Science Ltd, 2020, roč.~69, JUN 2020, s.~1-8. ISSN~0364-5916. Dostupné z: https://dx.doi.org/10.1016/j.calphad.2020.101741.
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