Synthesis, structure, thermal, transport and magnetic properties of VN ceramics

Kód výsledku v IS VaVaI

RIV/60461373:22310/16:43901718 - isvavai.cz

Nalezeny alternativní kódy

RIV/68378271:_____/16:00470913

Výsledek na webu

http://www.sciencedirect.com/science/article/pii/S0272884216315486

DOI - Digital Object Identifier

10.1016/j.ceramint.2016.09.019

Jazyk výsledku

angličtina

Název v původním jazyce

Synthesis, structure, thermal, transport and magnetic properties of VN ceramics

Popis výsledku v původním jazyce

We present a detailed study investigating structure, thermal, transport and magnetic properties of vanadium mononitride. Pure vanadium mononitride ceramics with a stoichiometry very close to ideal composition VN was synthesized by ammonolysis of ammonium vanadate followed by sintering in NH3/N2 atmosphere. The detailed chemical and thermochemical analysis as well as transport properties measurement reveal stoichiometric composition of VN. The low temperature electrical and thermal transport measurements show superconducting transition at 8 K, a gradual structural phase transition below 250 K and a high temperature phase decomposition accompanied by V2N formation. The electronic structure calculations are correlated with the analysis of transport and thermal properties revealing an essential role of electron-phonon coupling and strong anharmonic effects.

Název v anglickém jazyce

Synthesis, structure, thermal, transport and magnetic properties of VN ceramics

Popis výsledku anglicky

We present a detailed study investigating structure, thermal, transport and magnetic properties of vanadium mononitride. Pure vanadium mononitride ceramics with a stoichiometry very close to ideal composition VN was synthesized by ammonolysis of ammonium vanadate followed by sintering in NH3/N2 atmosphere. The detailed chemical and thermochemical analysis as well as transport properties measurement reveal stoichiometric composition of VN. The low temperature electrical and thermal transport measurements show superconducting transition at 8 K, a gradual structural phase transition below 250 K and a high temperature phase decomposition accompanied by V2N formation. The electronic structure calculations are correlated with the analysis of transport and thermal properties revealing an essential role of electron-phonon coupling and strong anharmonic effects.

Druh

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

CEP obor

CA - Anorganická chemie

OECD FORD obor

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Projekt

GA13-20507S: Tenké vrstvy magneticky dopovaného GaN

Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2016

Kód důvěrnosti údajů

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

Název periodika

Ceramics International

ISSN

0272-8842

e-ISSN

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Svazek periodika

42

Číslo periodika v rámci svazku

16

Stát vydavatele periodika

BE - Belgické království

Počet stran výsledku

6

Strana od-do

"18779?18784"

Kód UT WoS článku

000388542700108

EID výsledku v databázi Scopus

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