On a section, the perovkite crystals that are the forms of rhomb, cross and strip, are not independent grains, but only the section of the arms of p...

• 截面上钙钛矿晶体呈菱形、十字形、杆状；这些晶体不是独立的晶粒；是钙钛矿棱面枝晶分枝晶粒的截面.