Фотоэлектронная спектроскопия. Домашевская Э.П. - 14 стр.

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ВГУ | Воронеж

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14
L_i_jv \ jZkrbj_gghc ahgghc ko_f_ k
–
[hevrhc \hegh\hc \_dlhj
e_`Zsbc aZ ij_^_eZfbi_j\hc A;Z \_dlhjk – G e_`bl \gm l jbA; Lh]^Z
aZdhgkhojZg_gbywg_j]bbi_j_ibr_lky\\b^_
()
m2
k
m2
2
=+
ω
G-k
beb
θω
cos
m2
kG
E
G
=+
Ba khhlghr_gby  hij_^_ebfNb gZc^_f wg_j]bx dhg_qgh]h
khklhygbynhlhwe_dljhgZ
()
θθ
ω
22
G
G
2
f
cos
K
cosE4
E
m2
k
?
=
+
==
,
]^_
()
G
2
G
E4
E
K
+
=
ω
-
g_dhlhjZydhgklZglZ
?keb \kihfgblv qlh
θ
-
m]he f_`^m \_dlhjZfb k b G lh ba 
ke_^m_lqlh\k_we_dljhgudhlhju_^\b`mlkyih^h^gbfbl_f`_m]ehfd
\_dlhjm G bf_xl h^bgZdh\mx wg_j]bx Ba  lZd`_ ke_^m_l qlh
we_dljhgu k h^bgZdh\hc wg_j]b_c jZkij_^_e_gu ih ih\_joghklb dhgmkZ
\hdjm]\_dlhjZh[jZlghcj_r_ldbGjbk
FZdkbfZevguc m]he dhgmkZ hij_^_ey_lky fZdkbfZevghc gZqZevghc
wg_j]b_c we_dljhgZ
–
wg_j]b_c N_jfb
E
F
 Lh]^Z ^ey fZdkbfZevghc
dhg_qghcwg_j]bb?
f
ihemqbf
(1.22)
(1.21)
Jbk
JZkij_^_e_gb_nhlhwe_dljhgh\
hlghkbl_evgh\_dlhjh\h[jZlghc
j_r_ldb
G
                                                                                     14


L_i_jv \ jZkrbj_gghc ahgghc ko_f_ k – [hevrhc \hegh\hc \_dlhj
e_`Zsbc aZ ij_^_eZfb i_j\hc A; Z \_dlhj k – G e_`bl \gmljb A; Lh]^Z
aZdhgkhojZg_gbywg_j]bbi_j_ibr_lky\\b^_


                                     (k - G ) + ω = k 2
                                       2m           2m
beb
                                               kG
                                   ω + EG =       cos θ                          (1.21)
                                               2m


      Ba khhlghr_gby   hij_^_ebf N b gZc^_f wg_j]bx dhg_qgh]h
khklhygbynhlhwe_dljhgZ


                                  k2   (ω + EG )     K
                             ?f =    =            =        ,                     (1.22)
                                  2m 4 E G cos 2 θ cos 2 θ

           (ω + EG )2
]^_ K =                -g_dhlhjZydhgklZglZ
             4 EG

      ?keb \kihfgblv qlh θ - m]he f_`^m \_dlhjZfb k b G lh ba  
ke_^m_lqlh\k_we_dljhgudhlhju_^\b`mlkyih^h^gbfbl_f`_m]ehfd
\_dlhjm G bf_xl h^bgZdh\mx wg_j]bx Ba   lZd`_ ke_^m_l qlh
we_dljhgu k h^bgZdh\hc wg_j]b_c jZkij_^_e_gu ih ih\_joghklb dhgmkZ
\hdjm]\_dlhjZh[jZlghcj_r_ldbG jbk 



                                       Jbk JZkij_^_e_gb_nhlhwe_dljhgh\
                                               hlghkbl_evgh\_dlhjh\h[jZlghc
                                               j_r_ldbG

      FZdkbfZevguc m]he dhgmkZ hij_^_ey_lky fZdkbfZevghc gZqZevghc
wg_j]b_c we_dljhgZ – wg_j]b_c N_jfb EF Lh]^Z ^ey fZdkbfZevghc
dhg_qghcwg_j]bb?fihemqbf

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