鍘熷瓙灞傛矇绉?Atomic layer deposition)鏄竴绉嶅彲浠ュ皢鐗╄川浠ュ崟鍘熷瓙鑶滃舰寮忎竴灞備竴灞傜殑闀€鍦ㄥ熀搴曡〃闈㈢殑鏂规硶銆傚師瀛愬眰娌夌Н涓庢櫘閫氱殑鍖栧娌夌Н鏈夌浉浼间箣澶勩€侟br/> 浣嗗湪鍘熷瓙灞傛矇绉繃绋嬩腑锛屾柊涓€灞傚師瀛愯啘鐨勫寲瀛﹀弽搴旀槸鐩存帴涓庝箣鍓嶄竴灞傜浉鍏宠仈鐨勶紝杩欑鏂瑰紡浣挎瘡娆″弽搴斿彧娌夌Н涓€灞傚師瀛愩€侟br/> 鍗曞師瀛愬眰娌夌Н(atomic layer deposition锛孉LD)锛屽張绉板師瀛愬眰娌夌Н鎴栧師瀛愬眰澶栧欢(atomic layer epitaxy) 锛屾渶鍒濇槸鐢辫姮鍏扮瀛﹀鎻愬嚭骞剁敤浜庡鏅惰崸鍏夋潗鏂橺nS:Mn浠ュ強闈炴櫠Al2O3缁濈紭鑶滅殑鐮斿埗锛岃繖浜涙潗鏂欐槸鐢ㄤ簬骞虫澘鏄剧ず鍣ㄣ€傜敱浜庤繖涓€宸ヨ壓娑夊強澶嶆潅鐨勮〃闈㈠寲瀛﹁繃绋嬪拰浣庣殑娌夌Н閫熷害锛岀洿鑷充笂涓栫邯80骞翠唬涓悗鏈熻鎶€鏈苟娌℃湁鍙栧緱瀹炶川鎬х殑绐佺牬銆備絾鏄埌浜?0涓栫邯90骞翠唬涓湡锛屼汉浠杩欎竴鎶€鏈殑鍏磋叮鍦ㄤ笉鏂姞寮猴紝杩欎富瑕佹槸鐢变簬寰數瀛愬拰娣变簹寰背鑺墖鎶€鏈殑鍙戝睍瑕佹眰鍣ㄤ欢鍜屾潗鏂欑殑灏哄涓嶆柇闄嶄綆锛岃€屽櫒浠朵腑鐨勯珮瀹芥瘮涓嶆柇澧炲姞锛岃繖鏍锋墍浣跨敤鏉愭枡鐨勫帤搴﹂檷浣庡€煎嚑涓撼绫虫暟閲忕骇銆傚洜姝ゅ師瀛愬眰娌夌Н鎶€鏈殑浼樺娍灏变綋鐜板嚭鏉ワ紝濡傚崟鍘熷瓙灞傞€愭娌夌Н锛屾矇绉眰鏋佸潎鍖€鐨勫帤搴﹀拰浼樺紓鐨勪竴鑷存€х瓑灏变綋鐜板嚭鏉ワ紝鑰屾矇绉€熷害鎱㈢殑闂灏变笉閲嶈浜嗐€備互涓嬩富瑕佽璁哄師瀛愬眰娌夌Н鍘熺悊鍜屽寲瀛︼紝鍘熷瓙灞傛矇绉笌鍏朵粬鐩稿叧鎶€鏈殑姣旇緝锛屽師瀛愬眰娌夌Н璁惧锛屽師瀛愬眰娌夌Н鐨勫簲鐢ㄥ拰鍘熷瓙灞傛矇绉妧鏈殑鍙戝睍銆侟/span>
鍘熷瓙灞傛矇绉槸閫氳繃灏嗘皵鐩稿墠椹变綋鑴夊啿浜ゆ浛鍦伴€氬叆鍙嶅簲鍣ㄥ苟鍦ㄦ矇绉熀浣撲笂鍖栧鍚搁檮骞跺弽搴旇€屽舰鎴愭矇绉啘鐨勪竴绉嶆柟娉?鎶€鏈?銆傚綋鍓嶉┍浣撹揪鍒版矇绉熀浣撹〃闈紝瀹冧滑浼氬湪鍏惰〃闈㈠寲瀛﹀惛闄勫苟鍙戠敓琛ㄩ潰鍙嶅簲銆傚湪鍓嶉┍浣撹剦鍐蹭箣闂撮渶瑕佺敤鎯版€ф皵浣撳鍘熷瓙灞傛矇绉弽搴斿櫒杩涜娓呮礂銆傜敱姝ゅ彲鐭ユ矇绉弽搴斿墠椹变綋鐗╄川鑳藉惁鍦ㄨ娌夌Н鏉愭枡琛ㄩ潰鍖栧鍚搁檮鏄疄鐜板師瀛愬眰娌夌Н鐨勫叧閿€傛皵鐩哥墿璐ㄥ湪鍩轰綋鏉愭枡鐨勮〃闈㈠惛闄勭壒寰佸彲浠ョ湅鍑猴紝浠讳綍姘旂浉鐗╄川鍦ㄦ潗鏂欒〃闈㈤兘鍙互杩涜鐗╃悊鍚搁檮锛屼絾鏄瀹炵幇鍦ㄦ潗鏂欒〃闈㈢殑鍖栧鍚搁檮蹇呴』鍏锋湁涓€瀹氱殑娲诲寲鑳斤紝鍥犳鑳藉惁瀹炵幇鍘熷瓙灞傛矇绉紝閫夋嫨鍚堥€傜殑鍙嶅簲鍓嶉┍浣撶墿璐ㄦ槸寰堥噸瑕佺殑銆侟br/> 鍘熷瓙灞傛矇绉殑琛ㄩ潰鍙嶅簲鍏锋湁鑷檺鍒舵€?self-limiting)锛屽疄闄呬笂杩欑鑷檺鍒舵€х壒寰佹鏄師瀛愬眰娌夌Н鎶€鏈殑鍩虹銆備笉鏂噸澶嶈繖绉嶈嚜闄愬埗鍙嶅簲灏卞舰鎴愭墍闇€瑕佺殑钖勮啘銆侟br/> 鍘熷瓙灞傛矇绉殑鑷檺鍒剁壒寰 锛氭牴鎹矇绉墠椹变綋鍜屽熀浣撴潗鏂欑殑涓嶅悓锛屽師瀛愬眰娌夌Н鏈変袱绉嶄笉鍚岀殑鑷檺鍒舵満鍒讹紝鍗冲寲瀛﹀惛闄勮嚜闄愬埗(CS)鍜岄『娆″弽搴旇嚜闄愬埗(RS)杩囩▼銆侟br/> 鍖栧鍚搁檮鑷檺鍒舵矇绉繃绋嬩腑锛岀涓€绉嶅弽搴斿墠椹变綋杈撳叆鍒板熀浣撴潗鏂欒〃闈㈠苟閫氳繃鍖栧鍚搁檮(楗卞拰鍚搁檮)淇濇寔鍦ㄨ〃闈€€傚綋绗簩绉嶅墠椹变綋閫氬叆鍙嶅簲鍣紝璧峰氨浼氫笌宸插惛闄勪簬鍩轰綋鏉愭枡琛ㄩ潰鐨勭涓€鍓嶉┍浣撳彂鐢熷弽搴斻€備袱涓墠椹变綋涔嬮棿浼氬彂鐢熺疆鎹㈠弽搴斿苟浜х敓鐩稿簲鐨勫壇浜х墿锛岀洿鍒拌〃闈㈢殑绗竴鍓嶉┍浣撳畬鍏ㄦ秷鑰楋紝鍙嶅簲浼氳嚜鍔ㄥ仠姝㈠苟褰㈡垚闇€瑕佺殑鍘熷瓙灞傘€傚洜姝よ繖鏄竴绉嶈嚜闄愬埗杩囩▼锛岃€屼笖涓嶆柇閲嶅杩欑鍙嶅簲褰㈡垚钖勮啘銆侟br/> 涓庡寲瀛﹀惛闄勮嚜闄愬埗杩囩▼涓嶅悓锛岄『娆″弽搴旇嚜闄愬埗鍘熷瓙灞傛矇绉繃绋嬫槸閫氳繃娲绘€у墠椹变綋鐗╄川涓庢椿鎬у熀浣撴潗鏂欒〃闈㈠寲瀛﹀弽搴旀潵椹卞姩鐨勩€傝繖鏍峰緱鍒扮殑娌夌Н钖勮啘鏄敱浜庡墠椹变綋涓庡熀浣撴潗鏂欓棿鐨勫寲瀛﹀弽搴斿舰鎴愮殑銆備笅鍥綼鍜宐鍒嗗埆缁欏嚭浜嗚繖涓ょ鑷檺鍒跺弽搴旇繃绋嬬殑绀烘剰鍥俱€侟/span>
ML2+ AN2--- MA(film) + 2LN 鈶滁br/> AN + ML2--- AML + NL 鈶袋br/> AML + AN2--- MAN + NL 鈶迭br/> 鐢卞浘鍙煡锛屽寲瀛﹀惛闄勮嚜闄愬埗杩囩▼鐨勬槸鐢卞惛闄勫墠椹变綋1(ML2)涓庡墠椹变綋2(AN2)鐩存帴鍙嶅簲鐢熸垚MA鍘熷瓙灞?钖勮啘鏋勬垚)锛屼富瑕佸弽搴斿彲浠ヤ互鏂圭▼寮忊懘琛ㄧず銆傚浜庨『娆″弽搴旇嚜闄愬埗杩囩▼棣栧厛鏄椿鍖栧墏(AN)娲诲寲鍩轰綋鏉愭枡琛ㄩ潰锛涚劧鍚庢敞鍏ョ殑鍓嶉┍浣?(ML2)鍦ㄦ椿鍖栫殑鍩轰綋鏉愭枡琛ㄩ潰鍙嶅簲褰㈡垚鍚搁檮涓棿浣?AML)锛岃繖鍙互鐢ㄥ弽搴旀柟绋嬪紡鈶佃〃绀恒€傚弽搴斺懙闅忕潃娲诲寲鍓侫N鐨勫弽搴旀秷鑰楄€岃嚜鍔ㄧ粓姝紝鍏锋湁鑷檺鍒舵€с€傚綋娌夌Н鍙嶅簲鍓嶉┍浣?(AN2)娉ㄥ叆鍙嶅簲鍣ㄥ悗锛屽氨浼氫笌涓婅堪鐨勫惛闄勪腑闂翠綋鍙嶅簲骞剁敓鎴愭矇绉師瀛愬眰銆?nbsp;
杩欓噷闇€瑕佽鏄庣殑鏄墠椹变綋1鑳藉鍦ㄥ熀浣撴潗鏂欒〃闈㈠揩閫熷舰鎴愮ǔ瀹氱殑鍖栧鍚搁檮灞傛槸鍖栧鍚搁檮鑷檺鍒跺師瀛愭矇绉繃绋嬬殑蹇呰鏉′欢銆傚浜庨『娆″弽搴旇嚜闄愬埗杩囩▼锛屼竴鏂归潰鍩轰綋鏉愭枡琛ㄩ潰蹇呴』鍏堢粡杩囪〃闈㈡椿鍖栵紝鍙︿竴鏂归潰锛岃繖绉嶆矇绉弽搴斿疄闄呮槸鍗婂弽搴斺懙鍜屸懚鐨勭粍鍚堛€傛瘡涓崐鍙嶅簲瀹屾垚鍚庢潗鏂欒〃闈㈢殑鍔熻兘鍩哄洟閮戒細鍙戠敓鍙樺寲锛屽苟涓斾竴涓師瀛愬眰娌夌Н瀹屾垚鏃讹紝鏉愭枡琛ㄩ潰瑕佹仮澶嶅埌鏈€鍒濈殑娲诲寲鍩哄洟鐘舵€併€傝繖绉嶆仮澶嶇壒鐐逛互鍙婃潗鏂欒〃闈㈠師濮嬫椿鎬х姸鎬佹槸鍖哄垎涓婅堪涓ょ涓嶅悓鐨勮嚜闄愬埗鍙嶅簲娌夌Н杩囩▼鐨勪富瑕佸洜绱犮€侟/span>
鍘熷瓙灞傛矇绉妧鏈湪娌夌Н鍙嶅簲鍘熺悊銆佹矇绉弽搴旀潯浠剁殑瑕佹眰鍜屾矇绉眰鐨勮川閲忎笂閮戒笌浼犵粺鐨凱VD鍜孋VD涓嶅悓锛屼笅琛ㄦ瘮杈冧簡瀹冧滑涔嬮棿鐨勪富瑕佸紓鍚岀偣銆傚彲浠ョ湅鍑猴紝瀵逛簬瓒呰杽鑶滄潗鏂欒€岃█锛屽師瀛愬眰娌夌Н闄や簡鍏舵矇绉€熺巼杈冩參澶栵紝鍏朵粬浼樼偣鏄紶缁熺殑PVD鍜孋VD鎶€鏈墍鏃犲彲姣旀嫙鐨勩€傚浜庝笉鏂缉寰寲鐨勭闆嗘垚鐢佃矾鏉愭枡锛屽叾浣跨敤鏉愭枡鐨勫嚑浣曞帤搴﹀凡浣庤揪1nm锛岃繖鏃舵矇绉€熺巼鎱㈢殑缂虹偣灏变笉鍐嶆槸涓昏鐭涚浘锛岃€岀簿纭殑钖勮啘鍘氬害鍜屾垚鍒嗘帶鍒躲€佷紭绉€鐨勮〃闈㈣鐩栫巼鍜屾矇绉潎鍖€鎬ф洿閲嶈銆侟/span>
銆€ | (鍘熷瓙灞傛矇绉?ALD | (鐗╃悊姘旂浉娌夌Н)PVD | (鍖栧姘旂浉娌夌Н)CVD |
娌夌Н鍘熺悊 | 琛ㄩ潰鍙嶅簲-娌夌Н | 钂稿彂-鍑濆浐 | 姘旂浉鍙嶅簲-娌夌Н |
娌夌Н杩囩▼ | 灞傜姸鐢熼暱 | 褰㈡牳闀垮ぇ | 褰㈡牳闀垮ぇ |
鍙伴樁瑕嗙洊鐜嘃/span> | 浼樼 | 涓€鑸?/span> | 濂键/span> |
娌夌Н閫熺巼 | 鎱↑/span> | 蹇?/span> | 蹇?/span> |
娌夌Н娓╁害 | 浣嶞/span> | 浣嶞/span> | 楂楛/span> |
娌夌Н灞傚潎鍖€鎬?/span> | 浼樼 | 涓€鑸?/span> | 杈冨ソ |
鍘氬害鎺у埗 | 鍙嶅簲寰幆娆℃暟 | 娌夌Н鏃堕棿 | 娌夌Н鏃堕棿锛屾皵鐩稿垎鍘婞/span> |
鎴愬垎 |
鍧囧寑锛屾潅璐ㄥ皯 | 鏃犳潅璐?/span> | 鏄撳惈鏉傝川锛屽す鏉侟/span> |