<title>Structure effects on inter- and intra-band scattering of electrons in GaAs/Al<formula><inf><roman>x</roman></inf></formula>Ga<formula><inf><roman>1-x</roman></inf></formula>As and strained In<formula><inf><roman>x</roman></inf></formula>Ga<formula><inf><roman>1-x</roman></inf></formula>As/GaAs quantum wells</title>