±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 493  |  »Ø¸´: 1
±¾Ìû²úÉú 1 ¸ö ·­ÒëEPI £¬µã»÷ÕâÀï½øÐв鿴

wanghaiju

½ð³æ (ÕýʽдÊÖ)

[ÇóÖú] ¸ß·Ö×Ó²ÄÁÏÂÛÎÄ·­ÒëÇóÖú

The nanocomposite multilayer film composed of substituted BaFe12O19and TiO2was prepared using sol¨Cgel method. The multilayer film is arranged
according to the frequencies of microwave absorption peaks for each layer film. The composite film with the highest absorption frequency is on the bottom. This
arrangement makes more microwave energy to enter the multilayer film and to be absorbed. The microwave absorption property of composite multilayer film is
excellent. The maximum loss efficiency almost reaches¨C40 dB. The frequency range with the loss above ¨C10 dB is more than 7 GHz. It is much broader than
those of substituted barium ferrites powders. The composite multilayer film is relatively uniform and even. Most grains belong to nanometer scope. The
compounding with TiO2and the nanometer effect also result in the improvement of microwave absorption property of the multilayer film.
Acknowledgements The financial support from the National Natural Science Foundation of China is gratefully acknowledged.

» ²ÂÄãϲ»¶

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ººÇä±±Íû

½ð³æ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
RXMCDM: ½ð±Ò+1, ¶àлӦÖú£¡ 2014-04-09 14:55:21
wanghaiju: ½ð±Ò+45, ·­ÒëEPI+1, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2014-04-09 22:02:47
ÓÉBaFe12O19ºÍTiO2Ìæ´úµÄÄÉÃ׸´ºÏ²ÄÁϸ߷Ö×Ó¶à²ãĤ¸ù¾ÝÈܽº¡ª¡ªÄý½º·½·¨ÖƱ¸¶øµÃ¡£¸Ã¶à²ãĤ¸ù¾Ýÿһ²ãĤµÄ΢²¨ÎüÊÕ·åµÄƵÂÊÅÅÁС£¾ßÓÐ×î¸ßÎüÊÕÆµÂʵĸ´ºÏĤλÓڵײ¿¡£ÕâÖÖÅÅÁз½Ê½Äܹ»Ê¹¸ü¶àµÄµÄÄÜÁ¿½øÈë¶à²ãĤ²¢±»ÆäÎüÊÕ¡£¸´ºÏ¶à²ãĤµÄ΢²¨ÎüÊÕÐÔÄÜÊÇ׿ԽµÄ¡£×î´óËðʧЧÂʼ¸ºõ´ïµ½40 dB¡£Ëðʧ³¬¹ý¨C10 dBÒÔÉÏµÄÆµÂÊ·¶Î§¶àÓÚ7GHz¡£Õâ±ÈÌú±µÑõ»¯Îï·ÛÄ©Ìæ´úÎïµÄ·¶Î§¿í¡£¸´ºÏ¶à²ãĤÊÇÏà¶ÔÒ»ÖÂÇÒÆ½ÕûµÄ¡£´ó¶àÊý¿ÅÁ£ÊôÓÚÄÉÃ×·¶Î§¡£ÓëTiO2Ðγɸ´ºÏÎï¼°ÆäÄÉÃ×Ч¹ûµ¼Ö¶à²ãĤ΢²¨ÎüÊÕÐÔÄܵĸÄÉÆ¡£
ÖÂл
¸ÐлÖйú×ÔÈ»¿ÆÑ§»ù½ð¸øÓèµÄ×ʽðÖ§³Ö¡£
ÎÞÂÛÈçºÎ£¬×öÊÂÒªÓÐʼÓÐÖÕ£¡¾ÍËãÏ´ÂíͰҲҪ±È±ðÈËÏ´µÄ¸É¾»£¡
2Â¥2014-04-09 14:53:27
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ wanghaiju µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 0817»¯Ñ§¹¤³ÌÓë¼¼ÊõÇóµ÷¼Á£¬Ò»Ö¾Ô¸Öк£Ñó319 +14 lv945 2026-04-04 14/700 2026-04-06 10:20 by À¶ÔÆË¼Óê
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤371Çóµ÷¼Á +14 ÅãÁÕ¿´º£ 2026-04-04 15/750 2026-04-06 06:59 by houyaoxu
[¿¼ÑÐ] Çóµ÷¼Áµ½0856²ÄÁϹ¤³Ì +3 ³Ì9915 2026-04-05 3/150 2026-04-05 18:15 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 358Çóµ÷¼Á +7 Çïgk 2026-04-04 7/350 2026-04-05 13:29 by huangmoli
[¿¼ÑÐ] 290Çóµ÷¼Á085701 +10 1314Åõ»¨ 2026-04-02 10/500 2026-04-05 10:19 by Sealedwind
[¿¼ÑÐ] 0854Çóµ÷¼Á +4 assdll 2026-04-04 4/200 2026-04-05 09:44 by zhq0425
[¿¼²©] É격 +7 IQwQl 2026-04-04 7/350 2026-04-04 23:32 by mumin1990
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +18 Ò»ÑùYWY 2026-04-02 19/950 2026-04-04 22:14 by hemengdong
[¿¼ÑÐ] 085400µç×ÓÐÅÏ¢319Çóµ÷¼Á£¨½ÓÊÜ¿çרҵµ÷¼Á£© +5 ÐÇÐDz»Õ£ÑÛà¶ 2026-04-03 6/300 2026-04-04 21:50 by hemengdong
[¿¼ÑÐ] 342Çóµ÷¼Á +3 Liang7111 2026-04-04 5/250 2026-04-04 19:47 by dongzh2009
[¿¼ÑÐ] ²ÄÁÏרҵ383Çóµ÷¼Á +8 ¹ùÑôÑôÑô³É 2026-04-03 8/400 2026-04-04 10:29 by Rednal.
[¿¼ÑÐ] 350Ò»Ö¾Ô¸±±¾©º½¿Õº½Ìì´óѧ08500²ÄÁÏ¿ÆÑ§Ó빤³ÌÇóµ÷¼Á +5 kjnasfss 2026-04-03 5/250 2026-04-03 22:29 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 085601Ò»Ö¾Ô¸±±Àí325·ÖÇóµ÷¼Á +6 ÕÒµ÷¼Á£¬£¬ 2026-04-02 6/300 2026-04-03 22:20 by –¹Æ?
[¿¼ÑÐ] 273Çóµ÷¼Á +20 ÀîÜÆÐÂ1 2026-03-31 20/1000 2026-04-03 09:58 by linyelide
[¿¼ÑÐ] һ־Ըɽ¶«´óѧ£¬085600£¬344 +7 κ×Óper 2026-04-02 8/400 2026-04-02 21:12 by °ÙÁéͯ888
[¿¼ÑÐ] 318Çóµ÷¼Á +3 óÆÐÐÖÂÔ¶. 2026-03-31 4/200 2026-04-02 15:56 by Jaylen.
[¿¼ÑÐ] 302Çóµ÷¼ÁÒ»Ö¾Ô¸±±º½070300£¬±¾¿ÆÖ£´ó»¯Ñ§ +8 Ê¥ÈÕ¶úÂüÌõ 2026-04-01 11/550 2026-04-02 07:40 by chemdavid
[¿¼ÑÐ] 070300»¯Ñ§279Çóµ÷¼Á +15 ¹þ¹þ¹þ^_^ 2026-03-31 17/850 2026-04-01 21:37 by ¸øÄãÄã×¢ÒâÐÝÏ¢
[¿¼ÑÐ] 085600 Ò»Ö¾Ô¸9 ×Ü·Ö351 Çóµ÷¼ÁѧУ +7 czhcz 2026-03-31 9/450 2026-04-01 19:24 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] Çóµ÷¼Á +8 11ggg 2026-03-30 8/400 2026-03-31 13:56 by nanaliuyun
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û