In-situ PXRD Study on the Annealing of SrFe12O19 Nano Particles

Frederik Gjørup; Matilde Saura-Múzquiz; Mogens Christensen

In-situ PXRD Study on the Annealing of SrFe12O19 Nano Particles

Frederik Gjørup
, Matilde Saura-Múzquiz
, Mogens Christensen

Research output: Contribution to conference › Poster › Communication

Abstract

Nano sized strontium hexaferrite is synthesized using a hydrothermal flow synthesis, at temperature and pressure above waters critical point. The nano particles are hexagonal platelets, with the easy axis of magnetization along the short c-axis of the platelet. The nano powders are normally pressed and annealed to form mechanically stable pellets. This study uses In-situ Powder X-Ray Diffraction (PXRD) to examine the particle growth during annealing of the powder, with emphasis on the ratio between the axes of the platelets (a/c-ratio). By applying an external magnetic field before annealing, the particles will align along the field lines of the external magnet, and the contact surfaces along the c-axis should increase. It will be examined whether the external magnetic field increases the growth along the c-axis relative to the a/b-axis, compared to annealing without prior magnetization.

Translated title of the contribution	In-situ PXRD Studie af Udglødningen af SrFe12O19 Nano Partikler
Original language	English
Publication date	26 May 2016
Number of pages	1
Publication status	Published - 26 May 2016
Event	Danscatt Annual meeting 2016 - University of Copenhagen, Faculty of Health and Medical Sciences, Copenhagen , Denmark Duration: 26 May 2016 → 27 May 2016

Conference

Conference	Danscatt Annual meeting 2016
Location	University of Copenhagen, Faculty of Health and Medical Sciences
Country/Territory	Denmark
City	Copenhagen
Period	26/05/2016 → 27/05/2016

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Cite this

@conference{796903b843684a16b93542c4c234c828,

title = "In-situ PXRD Study on the Annealing of SrFe12O19 Nano Particles",

abstract = "Nano sized strontium hexaferrite is synthesized using a hydrothermal flow synthesis, at temperature and pressure above waters critical point. The nano particles are hexagonal platelets, with the easy axis of magnetization along the short c-axis of the platelet. The nano powders are normally pressed and annealed to form mechanically stable pellets. This study uses In-situ Powder X-Ray Diffraction (PXRD) to examine the particle growth during annealing of the powder, with emphasis on the ratio between the axes of the platelets (a/c-ratio). By applying an external magnetic field before annealing, the particles will align along the field lines of the external magnet, and the contact surfaces along the c-axis should increase. It will be examined whether the external magnetic field increases the growth along the c-axis relative to the a/b-axis, compared to annealing without prior magnetization.",

keywords = "Nano particles, Ferrite, In situ, PXRD",

author = "Frederik Gj{\o}rup and Matilde Saura-M{\'u}zquiz and Mogens Christensen",

year = "2016",

month = may,

day = "26",

language = "English",

pages = "1",

note = "Danscatt Annual meeting 2016 ; Conference date: 26-05-2016 Through 27-05-2016",

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TY - CONF

T1 - In-situ PXRD Study on the Annealing of SrFe12O19 Nano Particles

AU - Gjørup, Frederik

AU - Saura-Múzquiz, Matilde

AU - Christensen, Mogens

PY - 2016/5/26

Y1 - 2016/5/26

N2 - Nano sized strontium hexaferrite is synthesized using a hydrothermal flow synthesis, at temperature and pressure above waters critical point. The nano particles are hexagonal platelets, with the easy axis of magnetization along the short c-axis of the platelet. The nano powders are normally pressed and annealed to form mechanically stable pellets. This study uses In-situ Powder X-Ray Diffraction (PXRD) to examine the particle growth during annealing of the powder, with emphasis on the ratio between the axes of the platelets (a/c-ratio). By applying an external magnetic field before annealing, the particles will align along the field lines of the external magnet, and the contact surfaces along the c-axis should increase. It will be examined whether the external magnetic field increases the growth along the c-axis relative to the a/b-axis, compared to annealing without prior magnetization.

AB - Nano sized strontium hexaferrite is synthesized using a hydrothermal flow synthesis, at temperature and pressure above waters critical point. The nano particles are hexagonal platelets, with the easy axis of magnetization along the short c-axis of the platelet. The nano powders are normally pressed and annealed to form mechanically stable pellets. This study uses In-situ Powder X-Ray Diffraction (PXRD) to examine the particle growth during annealing of the powder, with emphasis on the ratio between the axes of the platelets (a/c-ratio). By applying an external magnetic field before annealing, the particles will align along the field lines of the external magnet, and the contact surfaces along the c-axis should increase. It will be examined whether the external magnetic field increases the growth along the c-axis relative to the a/b-axis, compared to annealing without prior magnetization.

KW - Nano particles

KW - Ferrite

KW - In situ

KW - PXRD

M3 - Poster

SP - 1

T2 - Danscatt Annual meeting 2016

Y2 - 26 May 2016 through 27 May 2016

ER -