Page 23 - 《精细化工》2023年第4期

す 4 ᱌ 䘚 ౠ喑ぶ: 䲆⩢㏧͊㏠ㆠ㏑㐡ౕ॥∏ᱽ͚᫆⮱Ꮑ⩕ g709g

λ⩢ᄩ⢴হ㜗♣ڞᡜ䶾⢴⮱෋ߍ喠ओ̭᫦䲏喑⩞λ SnO 2/NFs [21] ぶȡѳ⩞λ䭨ោࡦ䙺䒰ጛ喑๔็᪝ࢂ̭䛾
㏠ㆠᱽ᫆⮱倅㶕䲏Ҁ⼜℁喑Ҭᓄ Fe হ Fe 3 O 4 ㏠ㆠ㏬ ᆋฺव㏑㐡Ꭳ᱗᭫⹧ܧ㞜ສ⮱⩢ⷮ∏॥ᩣᕔ㘪 [22] ȡ䦵
⮱ⴘ䶪߈喍H c 喎թ喍479 হ 188 Oe喎℁಄⟣ᱽ᫆倅 ᄦ䔆̭䬛䷅喑ⵁ⾣ϧঅጹ᱈䕇䓴ᄳ͑⻺В̷⮱䛾ᆋ䔈
㏓ 2 ͗᪝䛼㏔喑෋ᑧγᱽ᫆⮱ⷮ␋ᢌ㕄喑ϻ㔹ᰶݖ 㵹ฺवᲒ᣽ࡴڣᕔ㘪㶕⣝ȡXIANG ぶ [23] ݣิγ䧮/䧡/
λ⩢ⷮ∏⮱㶝ۼȡ᪴⡛Ό្䖀γڣЃ䛾ᆋ̻䲆⩢㏧͊ 䩺㏠ㆠ䷄ㆿᱯࡃ㏠ㆠ㏑㐡喑㶕⣝ܧᒵᑧ⮱॥∏ᕔ㘪喑
㏑㐡⮱㐀 व喑ຯ ZnO/NFs [19] Ƞ MnO 2/NFs [20] হ ౕ 16.6 GHz ᬣ⮱ᰭᄼࣺᄱᢌ㕄䓫ݝí67.5 dBȡ

ఫ 2 Fe 3 O 4 ㏠ㆠ㏬⮱ TEM ఫ喍ጓ喎হ HRTEM ఫ喍ठ喎喍a喎喠Fe ㏠ㆠ㏬⮱ TEM ఫ喍ጓ喎হ HRTEM ఫ喍ठ喎喍b喎喠Fe 3 O 4
হ Fe ㏠ㆠ㏬⮱ⷮ␋ఋ㏬喑᣿ఫͧពᆂ⮱ѻ౧ⷮ␋ᰟ㏬喍c喎 [18]
Fig. 2 TEM (left) and HRTEM (right) images (a) of Fe 3 O 4 nanowires; TEM (left) and HRTEM (right) images (b) of Fe nanowires;
Magnetic hysteresis loops of Fe 3 O 4 and Fe nanowires, inset of panel is expanded low field hysteresis curves (c) [18]

䕇䓴ा㏠ㆠ㏑㐡㐀Ჱ͚ᑂڒⷮᕔ䛾ᆋᝃѻϸ⩢ Ꮣ̸喑ᰶ᩵॥ᩣፓც喍EAB喎जВ䓫ݝ 7.5 GHzȡ
፥᪝䛾ᆋ⅔ࡃ➖जВᒵສౝ䄰ᣔᱽ᫆⮱⩢࣯ⷮ᪝ȡ ZUO ぶ [30] 䕇䓴䲆⩢㏧͊হ◚ࡃݣิγ็ႁⷮᕔ
ग㺮ᑂڒ䋠์⮱䛾ᆋٰ㉍Ӭज෋ᑧᱽ᫆⮱॥∏ᕔ CNFs喍P-CNF/Fe喎喑䕇䓴ᑂڒ็ႁ㐀Ჱ䭺ѻγⷠ㏠
㘪喑ѳч෋ߍᱽ᫆⮱ჳᏓহࣇᏓ [24] ȡ㔹䲆⩢㏧͊㏠ ㆠ㏑㐡⮱ѻ䶾ϸ⩢፥᪝喑Ҭڣڤᰶ㞜ສ⮱䭨ោࡦ䙺ȡ
ㆠ㏑㐡㏼倅⍖◚ࡃऻजࣨ䮑ᱽ͚᫆⮱Ⅱܳহ็҆⮱ ౕѻ䶾 4.42 GHz ⮱ᰭᄼࣺᄱᢌ㕄䓫ݝ–44.86 dBȡ
ٰ㉍喑㘪Ხ๔ౝۼ䒨ᱽ᫆䉕䛼喑ͧ㼐۠䄒䬛䷅᣽ӈ WANG ぶ [31] ౕ⅖⅁⅁ⅈ͚♲☔㏠ㆠ㏑㐡喑Ҭⷮᕔ䧮
γ᫝ᕊ䌜ȡⰛݺ喑CNFs 㷘䃑ͧ᭜倅ᕔ㘪䒨䉕 MA ㏠ㆠ䷄ㆿ⇬㏠ㆠ㏑㐡౴࠭ܳ᪐喑Ꭳ㷘ⷠധҀ㉔ჳ࠲
ᱽ᫆⮱ͨ㺮᜽ܳ喑ڣ⩢ᕔ㘪䓾ѩλ䛾ᆋ喑఍ₑ喑ⷠ 㸦喑ᓄݝ Fe-C ㏠ㆠ㏑㐡ฺवᱽ᫆喍ڣ TEM ఫ㻮ఫ
ᩦᕔᱽ᫆⮱Ҭ⩕जᰶ᩵ౝ᣽倅ᱽ᫆⮱⩢ⷮ᩼ᙌᕔȡ 3a喎ȡᕔ㘪≸䄂㐀᳉㶕ᬻ喑⩞λⷮᕔ䧮㏠ㆠ䷄ㆿহ䒨
ѳ̻䛾ᆋ⮱ᄩ⩢ᱧݣ̺ह⮱᭜喑䛾ᆋᄩ⩢᭜䲍⩢ၽ 䉕ⷠ⮱ฺϸ⩢፥᪝হⷮᄩ⢴⮱䔯ᒀ㏱व喑ϻఫ 3b ͚
⮱Ⴧा⼨ߕ喑㔹ⷠ㏑㐡ͨ㺮᭜⻨ၽᄩ⩢ [25] ȡₑใ喑 जВⰸܧ喑ౕ 2.2~13.2 GHz ڲ RL ምթѻλ–10 dB喑
ⷠ㏑㐡͚ϔ⩌ᬻ᭫⮱䊸㗑᩵ᏁΌज෋๔⋎≮ᢌ㕄喑 㣤ᓄγ㞜ສ⮱ᓛ∏॥ᩣᕔ㘪喑ᰭᄼࣺᄱᢌ㕄թͧ
ϻ㔹ᄩ㜡⩢ⷮ∏⮱ᢌ㕄෋ߍ [26] ȡຯ᳉ⷠ㏠ㆠ㏑㐡͚ –44.0 dB喑हᬣ喑ₑั䓀ڒ䭨ោ喍Z in/Z 0喎ͧ 1喑㶕ᬻ
䉌䒪̭Ⴧ䛼⮱䛾ᆋᝃ䛾ᆋ⅔ࡃ➖喑㼐۠㏜ⷠ㏠ㆠ㏑ ₑัͧႹ㒻ࡦ䙺◦ȡज㻮喑䕇䓴ᄦฺव㏠ㆠ㏑㐡⮱
㐡倅ϸ⩢፥᪝হ倅⩢ᄩ⢴䬛䷅ [27] 喑ӬजҬฺवᱽ᫆ Ⴙڕ◚ࡃั⤳喑̺ϲ㘪์Ԋ⪆㏑㐡⮱㑍䔋㐀Ჱ喑䔅
ڤᰶ㞜ສ⮱䭨ោࡦ䙺᲎У喑ϻ㔹ݣ䕍䒨䉕倅᩵⮱⩢ जВᵦᢛ඘᫆⮱̺ह䃫䃎व⤳⮱⩢࣯ⷮ᪝ВᏁᄦ̺
ⷮ∏॥ᩣᱽ᫆ [28] ȡWEI ぶ [29] 䕇䓴䲆⩢㏧͊Ꭳ♲☔ฺ ह⩢ⷮ⣜ධȡ䧡᭜̭⻺䒰ສ⮱ც䶾ፓᓛ∏॥ᩣݯ喑
व㏑㐡ᄳ䨉䩺व䛾喍CuNi喎㏠ㆠㆿၽᑂڒݝ CNFs ڤᰶ䒰倅⮱亞হⷮࡃᑧᏓ喑ጟᎬ∈Ꮑ⩕λ⩢ၽহ⩌
͚喑В䄰㞯 CNFs ⮱ᓛ㻯㐀Ჱহᄩ⩢ᕔȡڤᰶ๔㏢ ➖эᙌகぶ䶳ഌ [32] ȡMENG ぶ [33] 䕇䓴䲆⩢㏧͊হ䔅
ὗ℁⮱̭㐡 CuNi/CNFs ౕധ䉕͚㜗♣ᒏ᜽䔋㐚⮱ᄩ ࣌व᜽γⷠ/䧡㏠ㆠ㏑㐡喍C/Co NFs喎喑䕇䓴≸䄂㶕
⩢㑾㐉喑̺ϲᰶݖλ䕇䓴ᙌᏁ⩢≮⊵᪐⩢ⷮ∏喑䔅 ᬻᱽ͚᫆⮱䧡क़䛼ᄦ⩢ⷮ∏॥ᩣᕔ㘪䊤䛺㺮҉⩕喑
जВ䄞ᄩ็⁎ࣺᄱহ᪐ᄱВ㶝ۼ⩢ⷮ∏㘪䛼ȡहᬣ喑 ᒀ䧡क़䛼ͧ 15%喍䉕䛼ܳ᪝喎ᬣ喑ᱽ᫆ڤᰶᰭҠ⮱
䉌䒪λ㏑㐡͚⮱ CuNi ㏠ㆠ䷄ㆿ䮼Ɑ♲☔⍖Ꮣ⮱ᩦ 䭨ោࡦ䙺হ㶝ۼ㘪߈喑ࣇᏓͧ 3.50 mm ⮱ᵤ৮ڤᰶ
अڤᰶ̺ह⮱ᅧᄥ喑Ꭳ᜽ͧᲮࡃ͚ᓰ᣽ӈ⩹䲏Ხࡃ喑 ᰭᄼ⮱ࣺᄱᢌ㕄ͧ–58.8 ௗdBȡౕ 2~18 GHz ڲ喑ᰶ᩵
ϻ㔹ᑂ䊤Ხࡃᢌ㕄ȡ㐀᳉㶕ᬻ喑ౕ 650 Ď̸♲☔⮱ ॥ᩣፓც䓫ݝ 12.9 ௗGHz喑㘪์㺳Ⰳ๔䘕ܳ C 䶾⃢হ
CuNi/CNFs 㶕⣝ܧхᐯ⮱ MA ᕔ㘪喑ౕ 13.4 GHz ᪡͗ X~Ku 䶾⃢ȡౕₑധ⵭̷喑LIU ぶ [34] 䕇䓴ᄦ䧡
̸⮱ᰭᄼࣺᄱᢌ㕄ͧ–55.1 dB喑ౕ 3.00 mm ࡦ䙺ࣇ ㏠ㆠㆿၽԛ亝⮱ CNFs 䔈㵹⅛ᣧᱯ喑ౕڣ͚ᑂڒγ