銆�銆�鍒堕�犳縺鍏夊櫒棣栧厛瑕佹湁鐢�(ch菐n)鐢熷厜鐨勬簮锛屾渶閲嶈�佺殑鏄�瑕佷娇绮掑瓙鏉熺炕杞�(zhu菐n)锛岄�欐ǎ鎵嶈兘澶犵敘(ch菐n)鐢熷彈婵�杓诲皠锛岀敘(ch菐n)鐢熷彈婵�杓诲皠鍏�锛屽湪璜ф尟鑵斾綔鐢ㄤ笅鐢�(ch菐n)鐢熺殑婵�鍏夈�傜敤鐣拌唱(zh矛)绲�(ji茅)鍒朵綔鐨勫崐灏�(d菐o)楂旀縺鍏夊櫒鍙�浠ユ妸杓夋祦瀛愰檺鍒跺湪鐧�(f膩)鍏夊崁(q奴)锛屼娇澶ч噺鐨勫皣瑕佸京(f霉)鍚堢殑闆诲瓙鍜岀┖绌存矇绌嶅湪绐勫付涓婏紝缈昏綁(zhu菐n)鐨勭矑瀛愭潫澶т簬鏅�閫氱殑鍗婂皫(d菐o)楂旀縺鍏夊櫒銆�

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銆�銆�灏�(d菐o)甯朵腑鐨勯浕瀛愮偤浜嗚兘澶犻仈(d谩)鍒版縺灏勯柧鍊奸渶瑕佹敞鍏�2脳1018/cm2鍊�(g猫)锛岀偤浜嗚兘澶犲湪婧愬崁(q奴)闄愬埗浣忛�欎簺闆诲瓙闇�瑕佹湁涓�瀹氶珮搴︾殑鍕�(sh矛)澹�锛岄�欏��(g猫)鍕�(sh矛)澹橀珮搴﹀氨鏄�鐢辩��(ji茅)鍗�(q奴)鐨勫収(n猫i)寤洪浕鍕�(sh矛)鍜屛擡鍏卞悓姹哄畾鐨�銆傞浕瀛愬熀鏈�铏曚簬螕甯朵��锛屽叾鐩搁劙鐨凩甯堕倓鏈変竴閮ㄥ垎鍦―E锝冧笅,X甯剁殑杓夋祦瀛愰兘鍙�浠ヨ秺閬�(gu貌)鍕�(sh矛)澹�銆傚悓妯ｇ偤浜嗛檺鍒剁┖绌磋�佹眰鎻愰珮鍍�(ji脿)甯剁殑鍕�(sh矛)澹� 锛屼絾鏄�鎻愰珮鍕�(sh矛)澹樻渻(hu矛)灏�(d菐o)鑷撮浕瀛愭敞鍏ユ笡灏�锛岄�欐槸涓嶅厑瑷辩殑锛屾墍浠ヨ�佹湁涓�鍊�(g猫)涓�闁撶殑搴︺�傝兘閲忛珮閬�(gu貌)鍕�(sh矛)澹樼殑闆诲瓙鍜岀┖绌撮兘鏈�(hu矛)婕忔帀銆�

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銆�銆�鍒堕�犻噺瀛愰槺婵�鍏夊櫒鏄�鍗婂��(d菐o)楂旀縺鍏夊櫒鐨勯噸瑕佷竴鏀�锛岃�佷娇鍙嶈��(zhu菐n)绮掑瓙鏁�(sh霉)澧炲ぇ锛岄�欐ǎ灏遍渶瑕佸�氶�犲嚭閲忓瓙闃�銆傚�氶�犲嚭涓�浜涢噺瀛愰槺锛屼娇鏈夋簮鍗�(q奴)鐨勯潰绌嶆摯(ku貌)澶�锛屼絾閫欐ǎ鏈�(hu矛)澧炲姞鍒堕�犵殑闆ｅ害锛屼富瑕佹槸灏�(d菐o)甯跺拰鍍�(ji脿)甯剁殑閲忓瓙闃辫�佸湪鍚屼竴鍊�(g猫)骞抽潰鍏�(n猫i)锛岄�欏��(g猫)鍦ㄦ暩(sh霉)閲忓ぇ鏅�(sh铆)涓嶅�规槗瀵�(sh铆)鐝�(xi脿n)銆傞噺瀛愰槺婵�鍏夊櫒鐨勮蓟灏勫京(f霉)鍚堟槸鐧�(f膩)鐢熷湪鍍�(ji脿)甯跺拰灏�(d菐o)甯朵腑鍒嗚�傝兘绱�(j铆)涓�鐨勭矑瀛�銆傚湪鍒嗚�傝兘绱�(j铆)涓�鎱�(t脿i)瀵嗗害闅庢��璁婂寲銆傜敱浜庡垎瑁傜殑鑳藉付涓嶅啀鏄�鍘熶��(l谩i)鐨勫皫(d菐o)甯跺簳鍜屽児(ji脿)甯堕爞锛屽洜姝ゅ京(f霉)鍚堢殑鑳界礆(j铆)鏈�(hu矛)鍔犲ぇ锛屽嚭鐝�(xi脿n)婵�鍏夌殑娉㈤暦(zh菐ng)钘�(l谩n)绉�锛岄�氬父鏈� 锛屼竴鑸�鍕�(sh矛)闃卞��搴﹀皬浜庨浕瀛愮┖绌寸殑鎿�(ku貌)鏁ｉ暦(zh菐ng)搴︽墍浠ラ兘闄愬埗鍦ㄥ嫝(sh矛)闃变腑锛岀矑瀛愭暩(sh霉)鍙嶈綁(zhu菐n)鐨勯噺寰堝ぇ銆�

銆�銆�涓�.鐣拌唱(zh矛)绲�(ji茅)婵�鍏夊櫒鐨勭祼(ji茅)妲�(g貌u)

銆�銆�A.鍠�鐣拌��(zh矛)绲�(ji茅)婵�鍏夊櫒鑸囬洐鐣拌唱(zh矛)绲�(ji茅)婵�鍏夊櫒锛堝緸鏉愭枡锛�

銆�銆�GaAs鏉愭枡鑸嘒aAl鏉愭枡

銆�銆�Ga1-xAlxAs鏄�鎸囧湪GaAs鏉愭枡涓�鎽诲叆AlAs鑰屽舰鎴�锛屽彨浣滅牱閹甸媮鏅堕珨锛�1-x,x鏄�鎸嘇lAs鑸嘒aAs鐨勬瘮渚嬨��

銆�銆�B.鍙嶅瀷鐣拌唱(zh矛)绲�(ji茅)鑸囧悓鍨嬬暟璩�(zh矛)绲�(ji茅)锛堝緸灏�(d菐o)闆婚�炲瀷锛�

銆�銆�鍙嶅瀷锛氬�俷-GaAs鑸噋-GaAlAs  or p-GaAs鑸噉-GaAlAs

銆�銆�鍚屽瀷锛氬�俻-GaAs鑸噋-GaAlAs  or n-GaAs鑸噉-GaAlAs

銆�銆�A.鍙嶅瀷鐣拌唱(zh矛)

銆�銆�(a)p銆乶鍨�

銆�銆�涓嶆槸绨�(ji菐n)骞跺瀷

銆�銆�妲�(g貌u)鎴愮暟璩�(zh矛)绲�(ji茅)涔嬪墠鐔卞钩琛＄媭鎱�(t脿i)涓嬬暥(d膩ng)褰㈡垚鐣拌唱(zh矛)绲�(ji茅)鏅�(sh铆)锛岄浕瀛恘        p

銆�銆�绌虹┐p        n

銆�銆�鐩村埌鍏╁崐灏�(d菐o)楂旀湁鐩哥瓑鐨�     锛岀暟璩�(zh矛)绲�(ji茅)鍗宠檿浜庡钩琛＄媭鎱�(t脿i)銆�

銆�銆�鑸噋-n绲�(ji茅)涓�妯ｏ紝鍦ㄥ叐绋�鍗婂��(d菐o)楂旀潗鏂欎笂鐣岄潰鐨勫叐鍋�(c猫)褰㈡垚绌洪枔闆昏嵎鍗�(q奴)銆�

銆�銆�N鍨嬪崐灏�(d菐o)楂斾竴閭婄偤姝ｉ浕鑽凤紝

銆�銆�P鍨嬪崐灏�(d菐o)楂斾竴閭婄偤璨�(f霉)闆昏嵎锛岄�欏氨鏄�鐣拌��(zh矛)绲�(ji茅)鍗�(q奴)锛堥樆鎿嬪堡锛�銆�

銆�銆�鐢变簬鍏�(n猫i)寤哄牬(ch菐ng)鐨勫瓨鍦�锛屼娇闆诲瓙鍏锋湁浜嗛檮鍔犻浕浣嶈��锛屽洜鑰屼娇绌洪枔闆昏嵎鍗�(q奴)鐨勮兘甯剁櫦(f膩)鐢熶簡褰庢洸锛堝熀鏈�鑸噋-n绲�(ji茅)鐨勫舰鎴愮浉鍚岀殑锛�銆�

銆�銆�鍗�(q奴)鍒ワ細鐢变簬绂佸付Eg涓嶅悓锛屽洜鑰屽湪鍏╂潗鏂欑殑涓婄晫闈㈤檮杩戝叾鑳藉付鍑虹従(xi脿n)鑸噋-n绲�(ji茅)涓嶅悓鐨勭壒榛�(di菐n)锛氫竴鑳藉付鍦ㄩ�欑晫闈㈣檿鐨勮畩鍖栨槸涓嶉�ｇ簩(x霉)鐨�銆�

銆�銆�1.鍦ㄥ皫(d菐o)甯跺簳锛岃兘閲忕獊璁� 鈻矱c锛屽湪閫欓噷褰㈡垚鈥滃厜璺�鈥�銆�

銆�銆�2.鍦ㄥ児(ji脿)甯跺簳锛岃兘閲忕獊璁娾柍Ev, 鍦ㄩ�欓噷褰㈡垚鈥滃嚬鍙ｂ��銆�

銆�銆�3.灏�(d菐o)甯剁殑鍕�(sh矛)澹樿垏鍍�(ji脿)甯朵笉鍚岋紝灏�(d菐o)甯跺嫝(sh矛)澹樹綆锛岃�屽児(ji脿)甯跺嫝(sh矛)澹橀珮銆�

銆�銆�4.鐣�(d膩ng)n鍗�(q奴)鐨勯浕瀛愰��(j矛n)鍏�p鍗�(q奴)鏅�(sh铆)鎵�閬囧埌鐨勯樆鍔涜�佸��銆�

銆�銆�鐣�(d膩ng)p鍗�(q奴)鐨勭┖绌撮��(j矛n)鍏�n鍗�(q奴)鏅�(sh铆)鎵�閬囧埌鐨勯樆鍔涜�佸��銆�

銆�銆�5.鍕�(sh矛)澹樼殑娓涗綆鍜屽�為珮鑸� 鈻矱c路鈻矱v 鏈夐棞(gu膩n)锛屽嵆鑸囧叐鏉愭枡鐨勭�佸付瀵�搴�Eg1Eg2涔嬪樊鏈夐棞(gu膩n)銆�