The output of each four-like many forest has a Tetragonal Haig. 输出的四弛胶卷各自有一个四方暗格。
It is possible that oxygen vacancies formed in the surface region in the absence of oxygen can prevent the transformation from the tetragonal to the monoclinic phase. 这可能是由于在缺氧条件下样品表面形成了一种具有氧空位的扭曲结构,这种结构可以阻止四方相到单斜相的转变。