SwePub
Sök i LIBRIS databas

  Utökad sökning

onr:"swepub:oai:DiVA.org:liu-173436"
 

Sökning: onr:"swepub:oai:DiVA.org:liu-173436" > Experimental and th...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00003997naa a2200445 4500
001oai:DiVA.org:liu-173436
003SwePub
008210220s2020 | |||||||||||000 ||eng|
0247 a https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-1734362 URI
0247 a https://doi.org/10.1038/s43246-020-00058-22 DOI
040 a (SwePub)liu
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
1001 a Errandonea, Danielu Univ Valencia, Spain4 aut
2451 0a Experimental and theoretical confirmation of an orthorhombic phase transition in niobium at high pressure and temperature
264 c 2020-08-13
264 1b Springer Nature,c 2020
338 a electronic2 rdacarrier
500 a Funding Agencies|Spanish Ministerio de Ciencia, Innovacion y Universidades [MAT2016-75586-C4-1-P, PGC2018-097520-A-100, RED2018-102612-T]; Generalitat ValencianaGeneralitat Valenciana [Prometeo/2018/123 EFIMAT]; Spanish governmentSpanish Government [RyC-2014-15643]; US Department of EnergyUnited States Department of Energy (DOE) [DE-AC52-07NA27344]
520 a Compared to other body-centered cubic (bcc) transition metals, Nb has been the subject of fewer compression studies and there are still aspects of its phase diagram which are unclear. Here, we report a combined theoretical and experimental study of Nb under high pressure and temperature. We present the results of static laser-heated diamond anvil cell experiments up to 120 GPa using synchrotron-based fast x-ray diffraction combined with ab initio quantum molecular dynamics simulations. The melting curve of Nb is determined and evidence for a solid-solid phase transformation in Nb with increasing temperature is found. The high-temperature phase of Nb is orthorhombic Pnma. The bcc-Pnma transition is clearly seen in the experimental data on the Nb principal Hugoniot. The bcc-Pnma coexistence observed in our experiments is explained. Agreement between the measured and calculated melting curves is very good except at 40-60 GPa where three experimental points lie below the theoretical melting curve by 250 K (or 7%); a possible explanation is given. The study of materials under extreme conditions can reveal interesting physics in diverse areas such as condensed matter and geophysics. Here, the authors investigate experimentally and theoretically the high pressure-high temperature phase diagram of niobium revealing a previously unobserved phase transition from body-centered cubic to orthorhombic phase.
650 7a NATURVETENSKAPx Fysikx Den kondenserade materiens fysik0 (SwePub)103042 hsv//swe
650 7a NATURAL SCIENCESx Physical Sciencesx Condensed Matter Physics0 (SwePub)103042 hsv//eng
7001 a Burakovsky, Leonidu Los Alamos Natl Lab, NM 87545 USA4 aut
7001 a Preston, Dean L.u Los Alamos Natl Lab, NM 87545 USA4 aut
7001 a MacLeod, Simon G.u Univ Edinburgh, Scotland; AWE, England4 aut
7001 a Santamaria-Perez, Davidu Univ Valencia, Spain4 aut
7001 a Chen, Shaopingu Los Alamos Natl Lab, NM 87545 USA4 aut
7001 a Cynn, Hyunchaeu Lawrence Livermore Natl Lab, CA 94551 USA4 aut
7001 a Simak, Sergeyu Linköpings universitet,Teoretisk Fysik,Tekniska fakulteten4 aut0 (Swepub:liu)sersi78
7001 a McMahon, Malcolm I.u Univ Edinburgh, Scotland4 aut
7001 a Proctor, John E.u Univ Edinburgh, Scotland4 aut
7001 a Mezouar, Mohamedu European Synchrotron Radiat Facil, France4 aut
7102 a Univ Valencia, Spainb Los Alamos Natl Lab, NM 87545 USA4 org
7730 t COMMUNICATIONS MATERIALSd : Springer Natureg 1:1q 1:1x 2662-4443
8564 u https://liu.diva-portal.org/smash/get/diva2:1529947/FULLTEXT01.pdfx primaryx Raw objecty fulltext:print
8564 u https://www.nature.com/articles/s43246-020-00058-2.pdf
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-173436
8564 8u https://doi.org/10.1038/s43246-020-00058-2

Hitta via bibliotek

Till lärosätets databas

Kungliga biblioteket hanterar dina personuppgifter i enlighet med EU:s dataskyddsförordning (2018), GDPR. Läs mer om hur det funkar här.
Så här hanterar KB dina uppgifter vid användning av denna tjänst.

 
pil uppåt Stäng

Kopiera och spara länken för att återkomma till aktuell vy