Combined analysis method: from sample to texture Aline Dellicour 1,2 - - PowerPoint PPT Presentation

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Combined analysis method: from sample to texture Aline Dellicour 1,2 - - PowerPoint PPT Presentation

Sep 19, 2023 140 likes •473 views

Combined analysis method: from sample to texture Aline Dellicour 1,2 , Bndicte Vertruyen 2 , Mark Rikel 3 , Luca Lutterotti 4 , rotti 4 , Bachir Ouladdiaf 5, Daniel Chateigner 1 1 CRISMAT, University of Caen 4 University of trento 2 LCIS,

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SLIDE 1

Aline Dellicour1,2, Bénédicte Vertruyen2, Mark Rikel3, Luca Lutterotti4,

Bachir Ouladdiaf5, Daniel Chateigner1

1 CRISMAT, University of Caen

4 University of trento

2 LCIS, University of Liège

5 Institut Laue-Langevin

3 Nexans SuperConductors, Hürth (Germany)

rotti4,

Combined analysis method: from sample to texture

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SLIDE 2

High temperature superconductors

Critical temperature (Tc) Critical current (Ic) Critical magnetic field (Hc)

H (Am-1) T (K) J (Am-2)

Tc Hc Jc Normal Superconductor

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SLIDE 3

Bi2Sr2Can-1Cun2O2n+4 phase

Bi-2201 Bi-2212 Bi-2223 Formula Bi2Sr2CuO6 Bi2Sr2CaCu2O8 Bi2Sr2Ca2Cu3O10 Discovery Michel, C. et al. Z.

  • Phys. B 68, 421–423

(1987) Maeda, H. et al. Jpn. J.

  • Appl. Phys. 27,

L209(1988) Maeda, H. et al. Jpn. J.

  • Appl. Phys. 27,

L209(1988) Structure Tc 20K 85K 110K Remarks Non stable in air

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SLIDE 4

Bi2Sr2CaCu2O8 phase

a b c

O Bi Ca Sr Cu

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SLIDE 5

Bi2Sr2CaCu2O8 phase

a b c

O Bi Ca Sr Cu

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SLIDE 6

Superconducting fault current limiter

I<Ic I>Ic I<Ic R≈0 R>0

R0

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SLIDE 7

Superconducting fault current limiter

I<Ic I>Ic I<Ic R≈0 R>0

R0

I<Ic R≈0

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SLIDE 8

Superconducting fault current limiter

I<Ic I>Ic I<Ic R≈0 R>0

R0

I>Ic R>0

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SLIDE 9

Superconducting fault current limiter

I<Ic I>Ic I<Ic R≈0 R>0

R0

I<Ic

R0

Autonomously Automatically

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SLIDE 10

Bulk samples are synthesized by the melt cast process

Metallic oxides SrSO4

T

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SLIDE 11

Bulk samples are synthesized by the melt cast process

Metallic oxides SrSO4

Preheated T

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SLIDE 12

Bulk samples are synthesized by the melt cast process

Metallic oxides SrSO4

Annealing Preheated T

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SLIDE 13

High Jc values are reached

10 20 30 500 1.000 1.500

Electric field (µV/cm) J (A/cm2)

Jc (77K) = 1200 A/cm2

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SLIDE 14

Combined analysis method

Combined analysis Electrons

(microscopic)

X-Rays

(near-surface)

Neutrons

(macroscopic)

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SLIDE 15

Combined analysis method

Combined analysis Electrons

(microscopic)

X-Rays

(near-surface)

Neutrons

(macroscopic)

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SLIDE 16

Electron backscatter diffraction (EBSD)

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SLIDE 17

Combined analysis method

Combined analysis Electrons

(microscopic)

X-Rays

(near-surface)

Neutrons

(macroscopic)

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SLIDE 18

INEL-CRISMAT

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SLIDE 19

Combined analysis method

Combined analysis Electrons

(microscopic)

X-Rays

(near-surface)

Neutrons

(macroscopic)

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SLIDE 20

Neutron beam Rietveld refinement with Maud

From sample to data

2

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SLIDE 21

Inner region

Resin

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SLIDE 22

Center region

  • Resin
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SLIDE 23

Outer region

  • Resin
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SLIDE 24

Porous region

  • Resin
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SLIDE 25

Higher supercurrents flow through the center part

  • Resin
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SLIDE 26

Untextured Partially textured

  • a

b c

X Y Z

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SLIDE 27

Untextured Partially textured

c

X Y Z

i

c c

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SLIDE 28

Untextured Partially textured

c

X Y Z

i

c c

X

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SLIDE 29

Conclusions

Melt casting is easy to implement Combine analysis is applicable to our samples Two main orientations for texture

Untextured Partially textured

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SLIDE 30

Prospects

Varying:

Sample shape Synthesis parameters Oxygen content

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SLIDE 31

Prospects

Varying:

Sample shape Synthesis parameters Oxygen content

Improving Jc

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SLIDE 32

Thank you for your attention

Contact: a.dellicour@ulg.ac.be