As a low-bandgap ferroelectric material,BiFeO3 has gained wide attention for the potential photovoltaic applications,since its photovoltaic effect in visible li
A single vortex is obtained in radio-frequency capacitive discharge in argon gas.The dust subsystem is confined in the horizontal plane with an asymmetrical saw
原作节选rnThat was the last time the girl Wendy ever saw Peter.For a little longer she tried for his sake not to have growing pains;and she felt she was untrue