5.You are asked by your professor to study a piece of a-Fe sample by X-ray diffraction.Please suggest the appropriate radiation(wavelength)for this study and estimate the minimum lattice spacing and the corresponding Miller index (hkl)that can be studied by X-ray diffraction(lattice constant of a-Fe:0.2866 nm). 175 150 125 →。日)/x 100 75 50 25 0.020.040060.080.190.12 1 nm 入 ZTargetZSample+1 or ZTarget>>ZSample5.You are asked by your professor to study a piece of -Fe sample by X-ray diffraction. Please suggest the appropriate radiation (wavelength) for this study and estimate the minimum lattice spacing and the corresponding Miller index (hkl) that can be studied by X-ray diffraction (lattice constant of -Fe: 0.2866 nm)