Ordering of (Cr,V) Layers in Nanolamellar (Cr0.5V0.5)n+1AlCn Compounds

El'ad N. Caspi; Patrick Chartier; Florence Porcher; Françoise Damay; Thierry Cabioc'h

doi:10.1080/21663831.2014.975294

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Ordering of (Cr,V) Layers in Nanolamellar (Cr0.5V0.5)n+1AlCn Compounds

Original Reports | 更新时间：2026-08-19

- Ordering of (Cr,V) Layers in Nanolamellar (Cr0.5V0.5)n+1AlCn Compounds
- Materials Research Letters Vol. 3, Issue 2, Pages: 100-106(2015)
- 作者机构：
  
  1. Institut PPRIME Département de Physique et Mécanique des Matériaux CNRS Université de Poitiers ENSMA UPR 3346 SP2MI Téléport 2 Boulevard Marie et Pierre Curie BP30179 Futuroscope Chasseneuil Cedex France,86962
  2. Physics Department Nuclear Research Centre - Negev PO Box,9001
  3. Institut PPRIME Département de Physique et Mécanique des Matériaux CNRS Université de Poitiers ENSMA UPR 2MI Téléport 2 Boulevard Marie et Pierre Curie,3346 SP
  4. Laboratoire Leon Brillouin (CEA/DSM/IRAMIS/LLB) UMR 12 CEA-CNRS Centre d'Etudes de Saclay
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2014.975294
  CLC：
- Online First：09 December 2014，
  
  Published：2015
- 稿件说明：
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El'ad N. Caspi, Patrick Chartier, Florence Porcher, et al. Ordering of (Cr,V) Layers in Nanolamellar (Cr0.5V0.5)n+1AlCn Compounds[J]. Materials Research Letters, 2015, 3(2): 100-106.
DOI：

El'ad N. Caspi, Patrick Chartier, Florence Porcher, et al. Ordering of (Cr,V) Layers in Nanolamellar (Cr0.5V0.5)n+1AlCn Compounds[J]. Materials Research Letters, 2015, 3(2): 100-106. DOI： 10.1080/21663831.2014.975294.

摘要

Abstract

Nanolamellar MAX phase compounds (Cr

0.5

)

AlC

are formed with

= 1

2 and 3

and their 300 K structure is studied in detail by high-resolution neutron diffraction. While the

= 1 compound is found to have complete disordering of vanadium and chromium in the metallic layers

the

= 2 and 3 compounds show strong tendency for these elements' ordering

with the layer in the 2a(0

0) site of (Cr

0.5

)

AlC

fully occupied by vanadium. The thermal expansion dependency of temperature is also studied by neutron diffraction for 2

550 K

revealing a negligible thermal expansion below 100 K for all of the compounds.

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