On preparation of nanocrystalline chromites by co-precipitation andautocombustion methods

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388980%3A_____%2F15%3A00448015" target="_blank" >RIV/61388980:_____/15:00448015 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/68378271:_____/15:00448015 RIV/00216208:11310/15:10296049

Výsledek na webu

<a href="http://dx.doi.org/10.1016/j.mseb.2015.01.011" target="_blank" >http://dx.doi.org/10.1016/j.mseb.2015.01.011</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.mseb.2015.01.011" target="_blank" >10.1016/j.mseb.2015.01.011</a>

Jazyk výsledku

angličtina

Název v původním jazyce

On preparation of nanocrystalline chromites by co-precipitation andautocombustion methods

Popis výsledku v původním jazyce

We present a comprehensive study on optimization of wet preparation routes yielding well-crystalline spinel chromite, ACr2O4 nanoparticles (A = Cu, Fe, Ni, Mn and Mg). The auto-combustion and co-precipitation methods in the presence of nitrate or chloride ions and kept under different atmospheres, followed by annealing of final products at different temperatures were tested. All samples were characterized by powder X-ray diffraction (PXRD) and vibrational spectroscopy in order to evaluate their phase composition, particle size and micro-strain. Selected samples were subjected to investigation by transmission electron microscopy (TEM). The degree of the particle crystallinity was estimated by relating the apparent crystallite size obtained from the PXRD analysis to the physical grain size observed by the TEM. Optimal conditions leading to single-phase and highly-crystalline chromite nanoparticles are proposed.

Název v anglickém jazyce

On preparation of nanocrystalline chromites by co-precipitation andautocombustion methods

Popis výsledku anglicky

We present a comprehensive study on optimization of wet preparation routes yielding well-crystalline spinel chromite, ACr2O4 nanoparticles (A = Cu, Fe, Ni, Mn and Mg). The auto-combustion and co-precipitation methods in the presence of nitrate or chloride ions and kept under different atmospheres, followed by annealing of final products at different temperatures were tested. All samples were characterized by powder X-ray diffraction (PXRD) and vibrational spectroscopy in order to evaluate their phase composition, particle size and micro-strain. Selected samples were subjected to investigation by transmission electron microscopy (TEM). The degree of the particle crystallinity was estimated by relating the apparent crystallite size obtained from the PXRD analysis to the physical grain size observed by the TEM. Optimal conditions leading to single-phase and highly-crystalline chromite nanoparticles are proposed.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

BM - Fyzika pevných látek a magnetismus

OECD FORD obor

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Projekt

<a href="/cs/project/GAP108%2F10%2F1250" target="_blank" >GAP108/10/1250: Multifunkční nanočástice: pokročilé metody přípravy a studium jejich fyzikálních vlastností</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2015

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Materials Science and Engineering B-Advanced Functional Solid-State Materials

ISSN

0921-5107

e-ISSN

—

Svazek periodika

195

Číslo periodika v rámci svazku

May

Stát vydavatele periodika

CH - Švýcarská konfederace

Počet stran výsledku

8

Strana od-do

66-73

Kód UT WoS článku

000351966000009

EID výsledku v databázi Scopus

2-s2.0-84923783550