In-depth investigations of size and occupancies in cobalt ferrite nanoparticles by joint Rietveld refinements of X-ray and neutron powder diffraction data

Autor: Killian Henry, Jakob Voldum Ahlburg, Henrik L. Andersen, Cecilia Granados-Miralles, Marian Stingaciu, Matilde Saura-Múzquiz, Mogens Christensen

Publikováno v: Henry, K, Ahlburg, J V, Andersen, H L, Granados-Miralles, C, Stingaciu, M, Saura-Muzquiz, M & Christensen, M 2022, ' In-depth investigations of size and occupancies in cobalt ferrite nanoparticles by joint Rietveld refinements of X-ray and neutron powder diffraction data ', Journal of Applied Crystallography, vol. 55, no. Part 5, pp. 1336-1350 . https://doi.org/10.1107/S1600576722008123

[EN] Powder X-ray diffraction (PXRD) and neutron powder diffraction (NPD) have been used to investigate the crystal structure of CoFe2O4 nanoparticles prepared via different hydro­thermal synthesis routes, with particular attention given to accurate

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3884411a20a74b322500d0452637be8f
http://hdl.handle.net/10261/311016

In Situ In-House Powder X-ray Diffraction Study of Zero-Valent Copper Formation in Supercritical Methanol

Autor: Shuzhong Wang, Mogens Christensen, Aref Mamakhel, Panpan Sun, Jakob Voldum Ahlburg, Frederik Holm Gjørup

Publikováno v: Sun, P, Gjørup, F H, Ahlburg, J V, Mamakhel, M A H, Wang, S & Christensen, M 2019, ' In Situ In-House Powder X-ray Diffraction Study of Zero-Valent Copper Formation in Supercritical Methanol ', Crystal Growth & Design, vol. 19, no. 4, pp. 2219-2227 . https://doi.org/10.1021/acs.cgd.8b01832

Nano/micro crystalline copper is widely used in catalysts and it has potential for being used as conductive additive to ink for inkjet printed electronics. Copper is attractive, because it has excellent electrical conductivity and low cost compared t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a76860f85077ca1926443f919c73de56
https://doi.org/10.1021/acs.cgd.8b01832

Exploring the direct synthesis of exchange-spring nanocomposites by reduction of CoFe

Autor: Jakob Voldum, Ahlburg, Cecilia, Granados-Miralles, Frederik Holm, Gjørup, Henrik Lyder, Andersen, Mogens, Christensen

Publikováno v: Nanoscale. 12(17)

In situ neutron powder diffraction (NPD) was employed for investigating gram-scale reduction of hard magnetic CoFe2O4 (spinel) nanoparticles into CoFe2O4/CoFe2 exchange-spring nanocomposites via H2 partial reduction. Time-resolved structural informat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::cacd553557dd5f22150a93a15415047b
https://pubmed.ncbi.nlm.nih.gov/32324188

Exploring the direct synthesis of exchange-spring nanocomposites by reduction of CoFe2O4 spinel nanoparticles using in situ neutron diffraction

Autor: Frederik Holm Gjørup, Henrik L. Andersen, Mogens Christensen, Jakob Voldum Ahlburg, Cecilia Granados-Miralles

Publikováno v: Ahlburg, J V, Granados-Miralles, C, Gjørup, F H, Andersen, H L & Christensen, M 2020, ' Exploring the direct synthesis of exchange-spring nanocomposites by reduction of CoFe 2 O 4 spinel nanoparticles using in situ neutron diffraction ', Nanoscale, vol. 12, no. 17, pp. 9440-9451 . https://doi.org/10.1039/d0nr00912a

In situ neutron powder diffraction (NPD) was employed for investigating gram-scale reduction of hard magnetic CoFe2O4 (spinel) nanoparticles into CoFe2O4/CoFe2 exchange-spring nanocomposites via H2 partial reduction. Time-resolved structural informat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::04a2efbedea135aeb14428da10c8676f
https://pure.au.dk/portal/da/publications/exploring-the-direct-synthesis-of-exchangespring-nanocomposites-by-reduction-of-cofe2o4-spinel-nanoparticles-using-in-situ-neutron-diffraction(9140e14f-c755-4e00-bf0c-8e81213c25fc).html

Air-heated solid-gas reaction setup for in situ neutron powder diffraction

Autor: Mogens Christensen, Emmanuel Canévet, Jakob Voldum Ahlburg

Publikováno v: Ahlburg, J V, Canevet, E & Christensen, M 2019, ' Air-heated solid-gas reaction setup for in situ neutron powder diffraction ', Journal of Applied Crystallography, vol. 52, no. 4, pp. 761-768 . https://doi.org/10.1107/S1600576719008161
Ahlburg, J V, Canévet, E & Christensen, M 2019, ' Air-heated solid–gas reaction setup for in situ neutron powder diffraction ', Journal of Applied Crystallography, vol. 52, no. 4, pp. 761-768 . https://doi.org/10.1107/S1600576719008161

The design and function of a reduction furnace, specially designed for solid–gas in situ monochromatic angular dispersive neutron powder diffraction, is presented. The functionality is demonstrated by performing a reduction experiment of CoFe2O4 na

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::beb4c24c02114f865ac4e0340d000db0
https://pure.au.dk/portal/da/publications/airheated-solidgas-reaction-setup-for-in-situ-neutron-powder-diffraction(4d923a4f-4da3-469e-9626-eeddc09f8b13).html