{"id":2074,"date":"2018-02-25T10:54:59","date_gmt":"2018-02-25T07:54:59","guid":{"rendered":""},"modified":"2018-02-25T10:54:59","modified_gmt":"2018-02-25T07:54:59","slug":"","status":"publish","type":"post","link":"https:\/\/ihcoedu.uobaghdad.edu.iq\/?p=2074","title":{"rendered":"\u0645\u0646\u0627\u0642\u0634\u0629 \u0631\u0633\u0627\u0644\u0629 \u0637\u0627\u0644\u0628 \u0627\u0644\u0645\u0627\u062c\u0633\u062a\u064a\u0631 \u0628\u0633\u0627\u0645 \u062b\u0639\u0628\u0627\u0646 \u062d\u0645\u0648\u062f \u0645\u0646 \u0642\u0633\u0645 \u0639\u0644\u0648\u0645 \u0627\u0644\u0641\u064a\u0632\u064a\u0627\u0621"},"content":{"rendered":"
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\"\"<\/div>\n

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\u062c\u0631\u062a \u0639\u0644\u0649  \u0642\u0627\u0639\u0629 \u0627\u0644\u062f\u0631\u0627\u0633\u0627\u062a \u0627\u0644\u0639\u0644\u064a\u0627 \u0641\u064a \u0642\u0633\u0645   \u0627\u0644\u0641\u064a\u0632\u064a\u0627\u0621 \u0627\u0644\u0645\u0646\u0627\u0642\u0634\u0629 \u0627\u0644\u0639\u0644\u0646\u064a\u0629 \u0644\u0631\u0633\u0627\u0644\u0629 \u0637\u0627\u0644\u0628 \u0627\u0644\u0645\u0627\u062c\u0633\u062a\u064a\u0631  \u0628\u0633\u0627\u0645 \u062b\u0639\u0628\u0627\u0646 \u062d\u0645\u0648\u062f \u0627\u0644\u0645\u0648\u0633\u0648\u0645\u0629 :<\/span><\/strong><\/p>\n

\u062a\u062d\u0636\u064a\u0631\u0627\u062a \u0627\u0644\u0641\u0631\u0627\u064a\u062a \u0627\u0644\u0646\u0627\u0646\u0648\u064a (<\/span><\/strong>Crx Cu0.75-x<\/sub> Fe2<\/sub>O4<\/sub><\/span><\/strong>) \u0628\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u0635\u0648\u0644-\u062c\u0644 \u0630\u0627\u062a \u0627\u0644\u0627\u062d\u062a\u0631\u0627\u0642 \u0627\u0644\u062a\u0644\u0642\u0627\u0626\u064a \u0648 \u062f\u0631\u0627\u0633\u0629 \u062e\u0635\u0627\u0626\u0635\u0647<\/span><\/strong><\/p>\n


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\"\"<\/span><\/strong><\/strong><\/div>\n

 <\/strong> <\/p>\n

 <\/p>\n

\u062d\u064a\u062b \u062a\u0623\u0644\u0641\u062a \u0644\u062c\u0646\u0629 \u0627\u0644\u0645\u0646\u0627\u0642\u0634\u0629 \u0645\u0646 \u0627\u0644\u062a\u062f\u0631\u064a\u0633\u064a\u064a\u0646 \u0627\u0644\u0623\u0641\u0627\u0636\u0644 :<\/span><\/strong><\/p>\n

\u0623.\u062f . \u0639\u0645\u0627\u062f \u062e\u0636\u064a\u0631 \u0639\u0628\u0627\u0633                                      \u0631\u0626\u064a\u0633\u0627<\/span><\/strong><\/p>\n

\u0623.\u0645.\u062f.\u0628\u0631\u0647\u0627\u0646 \u0631\u0634\u064a\u062f \u0646\u0648\u0631\u064a                                     \u0639\u0636\u0648\u0627<\/span><\/strong><\/p>\n

\u0623.\u0645.\u062f . \u0645\u062d\u0645\u062f \u0639\u0628\u062f\u0627\u0644\u0646\u0628\u064a \u062b\u062c\u064a\u0644                              \u0639\u0636\u0648\u0627<\/span><\/strong><\/p>\n

\u0627.\u062f.\u0637\u0627\u0631\u0642 \u0639\u0628\u062f\u0627\u0644\u0631\u0636\u0627 \u0639\u0644\u0648\u0627\u0646                                   \u0639\u0636\u0648\u0627 \u0648\u0645\u0634\u0631\u0641\u0627<\/span><\/strong><\/p>\n


<\/span><\/strong><\/p>\n

\"\"<\/span><\/strong><\/strong><\/div>\n

 <\/strong> <\/p>\n

 <\/p>\n

\u0645\u0644\u062e\u0635 \u0627\u0644\u0628\u062d\u062b<\/span><\/strong><\/p>\n

\u062a\u0645 \u0641\u064a \u0647\u0630\u0627 \u0627\u0644\u0628\u062d\u062b \u062a\u062d\u0636\u064a\u0631 \u0627\u0644\u0641\u0631\u0627\u064a\u062a \u0627\u0644\u0646\u0627\u0646\u0648\u064a \u0630\u064a \u0627\u0644\u0635\u064a\u063a\u0629 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629 <\/span><\/strong>Crx<\/sub>Cu0.25<\/sub>Zn0.75-x<\/sub>Fe2<\/sub>O4<\/sub><\/span><\/strong> \u0644\u0642\u064a\u0645 (<\/span><\/strong>x=0, 0.25, 0.35, 0.45, 0.55, 0.65 and 0.75<\/span><\/strong>) \u0628\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u0633\u0648\u0644 \u062c\u0644 \u0630\u0627\u062a \u0627\u0644\u0627\u062d\u062a\u0631\u0627\u0642 \u0627\u0644\u062a\u0644\u0642\u0627\u0626\u064a (<\/span><\/strong>Sol-gel auto-combustion<\/span><\/strong>)\u060c \u0648\u062a\u0645 \u0643\u0644\u0633\u0646\u0629 \u0627\u0644\u0645\u0633\u062d\u0648\u0642 \u0627\u0644\u0646\u0627\u0646\u0648\u064a \u0627\u0644\u0646\u0627\u062a\u062c \u0639\u0646\u062f \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 <\/span><\/strong>850C<\/span><\/strong>\u030a<\/span><\/strong> \u0644\u0645\u062f\u0629 <\/span><\/strong>3<\/span><\/strong> \u0633\u0627\u0639\u0627\u062a \u0645\u062a\u0648\u0627\u0635\u0644\u0629\u060c \u0648\u0628\u0627\u0639\u062a\u0645\u0627\u062f \u0627\u0644\u062a\u0642\u0646\u064a\u0627\u062a \u0627\u0644\u0622\u062a\u064a\u0629:<\/span><\/strong>XRD, SEM, EDS and LCR meter<\/span><\/strong> \u062a\u0645 \u062f\u0631\u0627\u0633\u0629 \u0627\u0644\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u062a\u0631\u0643\u064a\u0628\u064a\u0629 \u0648\u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0648\u0627\u0644\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a\u0629 \u0644\u0644\u0645\u0631\u0643\u0628 \u0627\u0644\u0641\u0631\u0627\u064a\u062a\u064a \u0627\u0644\u0645\u062d\u0636\u0631\u060c \u062d\u064a\u062b \u0627\u0638\u0647\u0631 \u0646\u0645\u0648\u0630\u062c \u062d\u064a\u0648\u062f \u0627\u0644\u0627\u0634\u0639\u0629 \u0627\u0644\u0633\u064a\u0646\u064a\u0629 \u062a\u0634\u0643\u0644 \u0627\u0644\u0637\u0648\u0631 \u0627\u0644\u0645\u063a\u0632\u0644\u064a \u0644\u0644\u0641\u0631\u0627\u064a\u062a (<\/span><\/strong>Spinel ferrite<\/span><\/strong>) \u0644\u062c\u0645\u064a\u0639 \u0627\u0644\u0639\u064a\u0646\u0627\u062a \u0627\u0644\u0645\u062d\u0636\u0631\u0629 \u0648\u0644\u0627 \u064a\u062d\u062a\u0648\u064a \u0646\u0645\u0637 \u062d\u064a\u0648\u062f \u0627\u0644\u0627\u0634\u0639\u0629 \u0627\u0644\u0633\u064a\u0646\u064a\u0629 \u0639\u0644\u0649 \u0623\u064a\u0629 \u0642\u0645\u0629 (<\/span><\/strong>peak<\/span><\/strong>) \u062e\u0627\u0631\u062c \u062e\u0644\u064a\u0629 \u0627\u0644\u0648\u062d\u062f\u0629 \u0627\u0644\u0645\u0643\u0639\u0628\u0629 (<\/span><\/strong>cubic unit cell<\/span><\/strong>)\u060c \u064a\u062a\u0631\u0627\u0648\u062d \u0645\u0639\u062f\u0644 \u0627\u0644\u062d\u062c\u0645 \u0627\u0644\u0643\u0631\u0633\u062a\u0627\u0644\u064a \u0644\u0644\u0645\u0633\u062d\u0648\u0642 \u0627\u0644\u0646\u0627\u062a\u062c \u0627\u0644\u0645\u062d\u0633\u0648\u0628 \u0628\u0637\u0631\u064a\u0642\u0629 \u062f\u064a\u0628\u0627\u064a-\u0634\u0631\u0631 \u0628\u064a\u0646 <\/span><\/strong>nm<\/span><\/strong>(<\/span><\/strong>32-27<\/span><\/strong>) \u0627\u0630 \u064a\u062a\u0646\u0627\u0642\u0635 \u0627\u0644\u062d\u062c\u0645 \u0627\u0644\u0643\u0631\u0633\u062a\u0627\u0644\u064a \u0628\u0632\u064a\u0627\u062f\u0629 \u062a\u0631\u0643\u064a\u0632 \u0623\u064a\u0648\u0646 \u0627\u0644\u0643\u0631\u0648\u0645 \u0641\u064a \u0627\u0644\u0645\u0631\u0643\u0628 <\/span><\/strong> (Crx<\/sub>Cu0.25<\/sub>Zn0.75-x<\/sub>Fe2<\/sub>O4)<\/span><\/strong> <\/span><\/sub><\/strong>\u0623\u064a  \u0628\u0632\u064a\u0627\u062f\u0629 \u0642\u064a\u0645 <\/span><\/strong>x<\/span><\/strong>\u060c \u0648\u062a\u0645 \u062d\u0633\u0627\u0628 \u062b\u0627\u0628\u062a \u0627\u0644\u0634\u0628\u064a\u0643\u0629 \u0641\u0648\u062c\u062f \u0627\u0646\u0647 \u064a\u062a\u0631\u0627\u0648\u062d \u0628\u064a\u0646 <\/span><\/strong>\u0226<\/span><\/strong>(<\/span><\/strong>8.41-8.28<\/span><\/strong>) \u0627\u0630 \u0627\u0646\u0647 \u064a\u0642\u0644 \u0628\u0632\u064a\u0627\u062f\u0629 \u0642\u064a\u0645 <\/span><\/strong>x<\/span><\/strong>\u060c \u062a\u0645 \u062d\u0633\u0627\u0628 \u0643\u0644 \u0645\u0646 \u0627\u0644\u0643\u062b\u0627\u0641\u062a\u064a\u0646 \u0627\u0644\u0638\u0627\u0647\u0631\u064a\u0629 \u0648\u0627\u0644\u0646\u0638\u0631\u064a\u0629 \u0648\u0643\u0630\u0644\u0643 \u0627\u0644\u0645\u0633\u0627\u062d\u0629 \u0627\u0644\u0633\u0637\u062d\u064a\u0629 \u0644\u0644\u062c\u0633\u064a\u0645\u0627\u062a \u0627\u0644\u0646\u0627\u0646\u0648\u064a\u0629 \u0641\u0648\u062c\u062f \u0627\u0646\u0647\u0627 \u062c\u0645\u064a\u0639\u0627 \u062a\u0632\u062f\u0627\u062f \u0628\u0632\u064a\u0627\u062f\u0629 \u0643\u0645\u064a\u0629 \u0627\u0644\u0643\u0631\u0648\u0645 \u0641\u064a \u0627\u0644\u0645\u0631\u0643\u0628\u060c \u0627\u0645\u0627 \u0627\u0644\u0645\u0633\u0627\u0645\u064a\u0629 \u0641\u062a\u0642\u0644 \u0628\u0632\u064a\u0627\u062f\u0629 <\/span><\/strong>x<\/span><\/strong>\u060c \u0627\u0638\u0647\u0631 \u0641\u062d\u0635 (<\/span><\/strong>SEM<\/span><\/strong>) \u0634\u0643\u0644 \u0627\u0644\u062d\u0628\u064a\u0628\u0627\u062a \u0648\u0645\u062f\u0649 \u062a\u062c\u0627\u0646\u0633\u0647\u0627\u060c \u0648\u062a\u0645 \u062d\u0633\u0627\u0628 \u0645\u062a\u0648\u0633\u0637 \u0627\u0644\u062d\u062c\u0645 \u0627\u0644\u062d\u0628\u064a\u0628\u064a \u0644\u0647\u0627 \u0641\u0648\u062c\u062f \u0627\u0646\u0647 \u064a\u0628\u0644\u063a (<\/span><\/strong>36 nm<\/span><\/strong>)\u060c \u0627\u0645\u0627 \u0641\u062d\u0635 (<\/span><\/strong>EDS<\/span><\/strong>) \u0641\u0628\u064a\u0646 \u0645\u062f\u0649 \u0646\u0642\u0627\u0621 \u0627\u0644\u0645\u0631\u0643\u0628 \u0627\u0644\u0646\u0627\u0646\u0648\u064a \u0627\u0644\u0645\u062d\u0636\u0631 \u0648\u062e\u0644\u0648\u0647 \u0645\u0646 \u0627\u0644\u0634\u0648\u0627\u0626\u0628. \u0648\u0628\u0627\u0639\u062a\u0645\u0627\u062f \u062a\u0642\u0646\u064a\u0629 (<\/span><\/strong>LCR meter<\/span><\/strong>) \u062a\u0645 \u062f\u0631\u0627\u0633\u0629 \u0628\u0639\u0636 \u0627\u0644\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0648\u0627\u0644\u0639\u0632\u0644\u064a\u0629 \u0639\u0646\u062f \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u063a\u0631\u0641\u0629\u060c \u0627\u0630 \u062a\u0645 \u062d\u0633\u0627\u0628 \u0643\u0644 \u0645\u0646 \u062b\u0627\u0628\u062a \u0627\u0644\u0639\u0632\u0644 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a (<\/span><\/strong>Dielectric constant<\/span><\/strong>) \u0648\u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u0641\u0642\u062f \u0627\u0644\u0639\u0632\u0644\u064a (<\/span><\/strong>Dielectric loss factor<\/span><\/strong>) \u0641\u062a\u0628\u064a\u0646 \u0627\u0646\u0647\u0645\u0627 \u064a\u062a\u0646\u0627\u0642\u0635\u0627\u0646 \u0628\u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062a\u0631\u062f\u062f \u0636\u0645\u0646 \u0627\u0644\u0645\u062f\u0649 (<\/span><\/strong>5kHz-1MHz<\/span><\/strong>) \u0628\u064a\u0646\u0645\u0627 \u064a\u0632\u062f\u0627\u062f\u0627\u0646 \u0628\u0632\u064a\u0627\u062f\u0629 \u0642\u064a\u0645 <\/span><\/strong>x<\/span><\/strong>\u060c \u0627\u0645\u0627 \u0627\u0644\u062a\u0648\u0635\u064a\u0644\u064a\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0627\u0644\u0645\u062a\u0646\u0627\u0648\u0628\u0629 (<\/span><\/strong>AC conductivity<\/span><\/strong>) \u0641\u062a\u0632\u062f\u0627\u062f \u0628\u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062a\u0631\u062f\u062f\u060c \u0648\u062a\u0632\u062f\u0627\u062f \u0623\u064a\u0636\u0627 \u0628\u0632\u064a\u0627\u062f\u0629 \u0642\u064a\u0645 <\/span><\/strong>x<\/span><\/strong>\u060c \u0628\u064a\u0646\u0645\u0627 \u062a\u0632\u062f\u0627\u062f \u0627\u0644\u062a\u0648\u0635\u064a\u0644\u064a\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0627\u0644\u0645\u0633\u062a\u0645\u0631\u0629 (<\/span><\/strong>DC conductivity<\/span><\/strong>) \u0628\u0632\u064a\u0627\u062f\u0629 \u0642\u064a\u0645 <\/span><\/strong>x<\/span><\/strong>\u060c \u0627\u0645\u0627 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u064a\u0629 \u0627\u0644\u0645\u0633\u062a\u0645\u0631\u0629 (<\/span><\/strong>DC resistivity<\/span><\/strong>) \u0641\u062a\u0642\u0644 \u0628\u0632\u064a\u0627\u062f\u0629 \u062a\u0631\u0643\u064a\u0632 \u0623\u064a\u0648\u0646 \u0627\u0644\u0643\u0631\u0648\u0645. \u062a\u0645 \u0642\u064a\u0627\u0633 \u062d\u0644\u0642\u0629 \u0627\u0644\u0647\u0633\u062a\u0631\u0629 \u0644\u0644\u0645\u0631\u0643\u0628 \u0627\u0644\u0646\u0627\u0646\u0648\u064a \u0627\u0644\u0645\u062d\u0636\u0631 \u0628\u0627\u0633\u062a\u0639\u0645\u0627\u0644 \u0642\u0646\u0637\u0631\u0629 \u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a\u0629 \u0645\u062d\u0644\u064a\u0629 \u0627\u0644\u0635\u0646\u0639 \u0648\u0648\u062c\u062f \u0627\u0646 \u0645\u0633\u0627\u062d\u0629 \u0627\u0644\u062d\u0644\u0642\u0629 \u062a\u0642\u0644 \u0628\u0632\u064a\u0627\u062f\u0629 \u062a\u0631\u0643\u064a\u0632 \u0623\u064a\u0648\u0646 \u0627\u0644\u0643\u0631\u0648\u0645.<\/span><\/strong><\/p>\n


<\/span><\/strong><\/p>\n

\"\"<\/span><\/strong><\/strong><\/div>\n


\u0648\u062d\u0636\u0631 \u0627\u0644\u0645\u0646\u0627\u0642\u0634\u0629\u062c\u0645\u0639 \u0645\u0646 \u0627\u0644\u062a\u062f\u0631\u064a\u0633\u064a\u064a\u0646 \u0648\u0637\u0644\u0628\u0629 \u0627\u0644\u062f\u0631\u0627\u0633\u0627\u062a \u0627\u0644\u0639\u0644\u064a\u0627 \u0648\u0630\u0648\u064a \u0627\u0644\u0637\u0627\u0644\u0628 \u0648\u0627\u0644\u0636\u064a\u0648\u0641 \u0627\u0644\u0643\u0631\u0627\u0645 .\u062a\u0645\u0646\u064a\u0627\u062a\u0646\u0627 \u0644\u0644\u0637\u0627\u0644\u0628 \u0627\u0644\u0645\u0648\u0641\u0642\u064a\u0629 \u0648\u0627\u0644\u0646\u062c\u0627\u062d. <\/strong> <\/p>\n

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