根据最小二乘法原理,只考虑偏心误差和吸收误差,推导出了求解正交晶系点阵常数的5个正则方程,并利用Matlab编程实现了最小二乘法精确求解773K 淬火Gd3Co1-xVx系列化合物的晶胞参数.晶胞参数的变化符合费伽定律,a,b,c对V原子分数的增加率分别是0.00031nm/V原子分数,0.00047nm/V原子分数,0.00031nm/V原子分数.x>0.212,晶胞参数基本维持不变,V在Gd3Co中的固溶度为5.3%(原子分数).
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