阻止能

stopping power

[目次：理論(電子の散乱／回折／結像)]

荷電粒子が物質を通過するとき単位距離あたりの平均のエネルギー損失量。電子顕微鏡でのエネルギー損失はおもにイオン化や電子の励起である。阻止能は試料の温度上昇や試料の損傷の程度の計算に使われる。

"Stopping power" means the average amount of energy loss per unit distance when a charged particle passes through a substance. In the case of TEM, the energy loss occurs mainly due to ionization and excitation of electrons. The "stopping power" is used for calculation of the temperature increase of specimen and the degree of specimen damage.