Page 73 - The Effect of Hydrogen and Hydrides - ebook first test
P. 73

    
                                                           ∗
                                                                 ,(  ) /      ∗



                                                            ,(  )
                                                                          ∗
                                           ∗
                                                 ,(  )         ,(  )            ,(  )       (−∆       ,(  ) ⁄      )
                                                         
                                                                                  
                                                             
                                                                       ∗
                                              ∗     =                  (−∆   ⁄      )
                                                                        
                                                                
                                                                            
                                                              
                                                      ⁄
                                              ,(  ) ⁄    = 3  Λ                            
                                                 
                      



                                                                                                        
                                                                                                        ,(  ) ⁄    =
                                                                                                        
                  exp [2      ⁄      ]       
                        2
                                
                               


                                                                ∗
                                          ∗
                                                                         2
                                                ,(  )  3  Λ  ∆       ,(  )  − 2       − ∆      ∗
                                                                               
                                                 ∗  = (      )exp [− (            )]
                                                                         
                              = 10 μm    = 0.5146 nm   Λ = 10 −2               ,(  ) ⁄      
                                                 1.54 × 10 −6





                                                          = 0.05 J/m 2     = 0.5 J/m 2
                                                                           
                                                          
                                                                         (0 0 0 1)   −    
                                                                                          
                     =    = 0.3231                                      
                     

                                                                                      
                                                                              
                                                                        Δ                 = Δ               = 2.724 × 10  J/m 3
                                                                                                    8
                                                                                               
                                                                           > 0.16 J/m 2

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