__________________________________________________________ amr attia amr attia...

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AMR ATTIAAMR ATTIA__________________________________________________________________________

2n summer school in DUBNA. 2n summer school in DUBNA. slide slide 11 June 4, 2010 June 4, 2010

Neutron DiffractionAmr Attia

Department of physics ,Faculty of ScienceSouth Valley University, Egypt

Neutron Physics and application in materials science and Nuclear Physics - group

presented at the

2n Summer School in DUBNA

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2n summer school in DUBNA. 2n summer school in DUBNA. slide slide 22 June 4, 2010 June 4, 2010

Outlines

• What's the Neutron diffraction ?

• Applications of Neutron Diffraction.

• What's the H R F D?

• research program

• Standard results.

• Acknowledgement.

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2n summer school in DUBNA. 2n summer school in DUBNA. slide slide 33 June 4, 2010 June 4, 2010

What's the Neutron diffraction ?

• Neutron diffraction is a method by which neutrons are used to determine the atomic and/or magnetic structure of a material. It can be equally well applied to study crystalline solid, gasses, liquids or amorphous materials

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2n summer school in DUBNA. 2n summer school in DUBNA. slide slide 44 June 4, 2010 June 4, 2010

Applications of Neutron Diffraction

chemistry engineering life sciencesbiochemistry

materials sciencegeological sciences archeology

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2n summer school in DUBNA. 2n summer school in DUBNA. slide slide 55 June 4, 2010 June 4, 2010

What's the HRFD?

• High resolution Fourier diffractometer HRFD is a unique instrument for carrying out neutron diffraction experiments requiring the interplanar spacing resolution on the level of 0.001.

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2n summer school in DUBNA. 2n summer school in DUBNA. slide slide 66 June 4, 2010 June 4, 2010

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2n summer school in DUBNA. 2n summer school in DUBNA. slide slide 77 June 4, 2010 June 4, 2010

research program

• Structural experiments :Investigation of phase transitions in powders and single crystals

• Measurement of residual internal stresses in bulk samples

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2n summer school in DUBNA. 2n summer school in DUBNA. slide slide 88 June 4, 2010 June 4, 2010 8Rietv

Al2O3 NIST standard

Standard results

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2n summer school in DUBNA. 2n summer school in DUBNA. slide slide 99 June 4, 2010 June 4, 2010

Na2Al2Ca3F14

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2n summer school in DUBNA. 2n summer school in DUBNA. slide slide 1010 June 4, 2010 June 4, 2010

Acknowledgement

• Before all and above all, thanks to Allah.

• I wish to express my deep gratitude and thanks to Dr/ Ivan Bobrikov

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2n summer school in DUBNA. 2n summer school in DUBNA. slide slide 1111 June 4, 2010 June 4, 2010