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Eléments de cristallographie

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TtTABLE DES MATIERES
 
 
1.1 INTRODUCTION                                  
 
1.2 DEFINITIONS                                                                                                              
1.2.1 Cristal et structure cristalline                                                                           
1.2.2 Cristal idéal                                                                                                               
1.2.3 Réseau cristallin                                                                                                          
1.2.3.1 Réseau unidimensionnel                                                                                     
1.2.3.2 Réseau bidimensionnel                                                                                       
1.2.3.3 Réseau tridimensionnel                                                                                       
1.2.3.4 Mailles                                                                                                             
1.2.3.4.1 Propriétés des mailles                                                                           
1.2.3.4.2 Plans réticulaires                                                                                   
1.2.3.4.3 Indices de Miller                                                                                  
1.2.3.4.4 Distance inter réticulaire                                                                      
1.2.3.4.5 Direction du réseau cristallin                                                                
1.2.3.4.6 Axes cristallographiques                                                                      
1.2.4 Réseau réciproque.                                                                                                      
 
1.3 SYSTÈMES CRISTALLINS ET RÉSEAUX DE BRAVAIS                                        
1.3.1 Le système monoclinique                                                                                           
1.3.2 Le système triclinique                                                                                            
1.3.3 Les autres systèmes cristallins                                                                                
1.3.4 Le système cubique                                                                                                
1.3.5 Le système hexagonal                                                                                            
 
1.4 SYMÉTRIES ET GROUPES D’ESPACE                                                                       
1.4.1 Axes de symétrie                                                                                                        
1.4.2 Plans de symétrie                                                                                                   
1.4.3 Opérations de symétrie                                                                                 
 
1.5 CLASSIFICATION DES CRISTAUX                                                                            
1.5.1 Classes de symétrie                                                                                                     
1.5.2 Symétries de position et d’orientation                                                                        
1.5.2.1 Symétrie d’orientation                                                                                        
1.5.2.2 Symétrie de position                                                                                           
 
1.6 GROUPES D’ESPACE                                                                                                    
 
1.7 STRUCTURES CRISTALLINES                                                                               
1.7.1 Structure cubique à faces centrées (CFC)                                                              
1.7.2 Structure cubique centrée (CC)                                                                             
1.7.3 Structure hexagonale compacte (HCP)                                                                  
1.7.4 Structure diamant                                                                                                  
 
1.8 TAILLE DES ATOMES ET COORDINATIONS                                                          
 
1.9 POSITIONS ATOMIQUES                                                                                              
 
1.10 FORME DU CRISTAL                                                                                                   
 
1.11 LA PROJECTION STEREOGRAPHIQUE                                                                  
1.11.1 Projection polaire                                                                                                      
1.11.2 Projection méridienne                                                                                               
1.11.3 Propriétés des projections                                                                                         
1.11.3.1 Projections standards                                                                                             
1.11.4 Les types de projections                                                                                           
 
BIBLIOGRAPHIE                                                                                                                  
EXERCICES