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7
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7 \hagbdgmlv \iheg_ mf_klguc \hijhk ihq_fm ijb jZkq_lZo \hafh`guo j_ne_dkh\ ih mjZ\g_gbx ijbgbfZ_lkyihjy^hdki_dljZ n b\dZdhcf_j_baf_gylky\u\h^u ijb n b l ^ G_h[oh^bfh hl\_lblv qlh \u\h^u g_ baf_gylky Ijb aZibkb mjZ\g_gby \\b^_ d hkl λ = n 2 sin Θ , ( 1.9 ) ]^_n - ihjy^hdki_dljZp_eh_qbkehjZ\gh_bl^ Ihkdhevdm d = d hkl nhnknl = d h * k * l * ( 1.10 ) n gZijbf_j d 111 = d 222 ; d 111 = d 333 2 3 Ih^klZ\eyy \ fh`ghihemqblv λ dh * k * l* = 2 sin Θ ( 1.11 ) >jm]bfb keh\Zfb hl iehkdhklb ( h*k*l*) \hagbdZ_l j_ne_dk ih^qbgyxsbcky mjZ\g_gbxEYJ?GL=?GH=J:NBQ?KDBO BKKE?>H<:GBC IjbgpbibZevgZyko_fZijb[hjZ^eyijh\_^_gbyj_gl]_gh]jZnbq_kdbobkke_^h\Zgbc djbklZeebq_kdhckljmdlmjuijb\_^_gZgZjbkHkgh\guf
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