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Poster De Conférence Année : 2016

P-type transition metal carbodiimides MNCN (M = Ni, Mn)

Résumé

Over the last decade, p-type semiconductors (SC) have known a renewed interest. Indeed these materials may have potential applications for light-emitting diodes, transistors, solar cells, etc. Since the stabilization of the first p-type semiconductor CuAlO2 with a delafossite structure type (A+B3+O2) by H. Kawazoe in 1997, many p-type semiconductors with the same structure have been reported such as CuGaO2, CuCrO2, CuScO2… Recently, X. Liu & al have reported the synthesis and the structure determination of a new family of materials: the transition metal carbodiimides MNCN (with M = Mn → Cu). These materials adopt a structure type related to the delafossite, formed by a divalent transition metal and NCN2-anion. We report here the synthesis and the microstructural characterization of two transition metal carbodiimides MnNCN and NiNCN. Impedance measurements demonstrate the p-type conductivity of these materials.

Domaines

Chimie Matériaux
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Dates et versions

hal-01560926 , version 1 (19-07-2017)

Identifiants

  • HAL Id : hal-01560926 , version 1

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Baptiste Polteau, Franck Tessier, François Cheviré, Adèle Renaud, Laurent Cario, et al.. P-type transition metal carbodiimides MNCN (M = Ni, Mn). 6th International Symposium on Structure-Property Relationship in Solid State Materials (SPSSM-2016), Jul 2016, Nantes, France. . ⟨hal-01560926⟩
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