通过顶部籽晶法获得了大块Li掺杂的SrB4O7(Li∶ SBO)单晶,晶体尺寸为80 mm×11 mm×40 mm.元素分析和X射线衍射结果证明锂离子成功掺入SBO晶格中,并使掺入后的SBO晶胞有所增大.深紫外和紫外透过光谱显示Li掺杂后的SBO晶体紫外截止边相对于SBO的120 nm红移到了140 nm左右,倍频结果显示Li∶ SBO晶体可实现较强的1064 nm的倍频光输出.晶体的缺陷研究结果显示,Li∶ SBO晶体生长时容易在c轴方向上形成线状包裹体,腐蚀后的晶体表面发现了两种不同形貌的位错蚀坑,对应于晶体内部不同的位错形态.
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