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Article\'s link: http://www64.zippyshare.com/v/32598550/file.html (you only clic

ID: 851609 • Letter: A

Question

Article's link:

http://www64.zippyshare.com/v/32598550/file.html

(you only click on the orange botton to download the article)

6.- Physical and / or chemical property studied in the article that the authors related to the crystal structure

Tip: To answer the first 5 questions, the article could contain information , if not, then find the data ( books, handbooks , internet, etc ) .

It is general knowledge that materials expand with increasing temperature and contract with decreasing temperature, Only few materials seem to neither expand nor contract over a certain temperature range and thus feature near zero thermal expansion (ZTE) behavior.

Explanation / Answer

Chemical formula of the material is : Mn3Cu0.5Ge0.5N

The crystal system of the above material is cubic.

The bravias network is Base centered Tetragonal.

The crystal class is R3.

The crystal has Pm-3m symmetry.

The physical/ chemical properties studied are : Temperature dependence on lattice parameter, Mn moment, ZTE.

Even entropy and free energy have been calculated experimentally.

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