人工晶体学报
人工晶體學報
인공정체학보
2006年
1期
95-98,103
,共5页
韦志仁%刘超%李军%葛世艳%张华伟%林琳%郑一博%窦军红
韋誌仁%劉超%李軍%葛世豔%張華偉%林琳%鄭一博%竇軍紅
위지인%류초%리군%갈세염%장화위%림림%정일박%두군홍
水热合成%氧化锌%稀磁半导体
水熱閤成%氧化鋅%稀磁半導體
수열합성%양화자%희자반도체
hydrothermal synthesis%ZnO%diluted magnetic semiconductor
本文采用水热法在430℃,以3mol%·L-1KOH作矿化剂,填充度为35%,反应时间24h,合成了Zn1-xMnxO稀磁半导体晶体.所合成晶体具有ZnO纤锌矿结构,晶面显露正极面{0001}、负极面{0001}、菱面{1011}及负菱面{1011}晶体高度为5～30μm,径高比约为2:1.X荧光能谱(EDS)显示Mn原子百分浓度为2.6%(x=0.026).晶体呈现低温铁磁性,居里温度50K.
本文採用水熱法在430℃,以3mol%·L-1KOH作礦化劑,填充度為35%,反應時間24h,閤成瞭Zn1-xMnxO稀磁半導體晶體.所閤成晶體具有ZnO纖鋅礦結構,晶麵顯露正極麵{0001}、負極麵{0001}、蔆麵{1011}及負蔆麵{1011}晶體高度為5～30μm,徑高比約為2:1.X熒光能譜(EDS)顯示Mn原子百分濃度為2.6%(x=0.026).晶體呈現低溫鐵磁性,居裏溫度50K.
본문채용수열법재430℃,이3mol%·L-1KOH작광화제,전충도위35%,반응시간24h,합성료Zn1-xMnxO희자반도체정체.소합성정체구유ZnO섬자광결구,정면현로정겁면{0001}、부겁면{0001}、릉면{1011}급부릉면{1011}정체고도위5～30μm,경고비약위2:1.X형광능보(EDS)현시Mn원자백분농도위2.6%(x=0.026).정체정현저온철자성,거리온도50K.
Diluted magnetic semiconductor Zn1-x MnxO crystals were synthesized at 430℃ for 24h by obtained crystals show a ZnO wurtzite structure, with positive polar faces {0001} , negative polar faces{0001-}, p faces {-1011} and -p faces { -1011- }exposed. The height of the crystal is 5-30μm and radiusheight ratio is 2: 1. Mn atom concentration of 2.6% ( x = 0. 026 ) was determined using X-ray energy dispersive spectroscopy (EDS). The crystals show low-temperature ferromagnetism with Curie temperature of 5OK.
