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red_snow

铜虫 (初入文坛)

[求助] d-spacing values   求助这是什么意思? 已有2人参与

All films possess compressive strain because d-spacing values of BBFO (4.150–4.046A ° ) are larger than that of SNTO substrate (3.923A ° ).
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red_snow

铜虫 (初入文坛)

引用回帖:
6楼: Originally posted by huanghuasjtu at 2014-03-13 13:35:22
晶体学知识一点都没么?BBFO原子面间距(4.150–4.046A °),而SNTO基体原子面间距(3.923A ° ),要实现原子面共格匹配,BBFO原子面间距就要变成(3.923A ° )左右,这就使得BBFO原子面中出现了压应变。就这意思。非 ...

额,实在不好意思,那个问题我已经搞懂了,我问了另外一个问题,麻烦看下4楼,谢谢了!
7楼2014-03-14 14:17:06
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huanghuasjtu

木虫 (著名写手)

【答案】应助回帖

感谢参与,应助指数 +1
d-spacing values of BBFO (4.150–4.046A ° ) are larger than that of SNTO substrate (3.923A ° ).这个指的是原子面间距。
做科研可以讲究,也可以将就
2楼2014-03-10 18:41:44
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gyliu

铁杆木虫 (职业作家)

【答案】应助回帖

感谢参与,应助指数 +1
d-spacing values就是晶面间距的意思
3楼2014-03-11 07:49:21
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red_snow

铜虫 (初入文坛)

引用回帖:
3楼: Originally posted by gyliu at 2014-03-11 07:49:21
d-spacing values就是晶面间距的意思

麻烦再请教下
The current level measured at -2V was considered for READing the information while the applied bias voltage of 5V and -5V were used to obtain high resistance/OFF state (HRS) and low resistance/ON state (LRS) (WRITE operation), respectively.
这个偏置电压5v的高阻态和-5V时的低阻态跟-2V有什么关系?
4楼2014-03-11 17:05:44
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