Gold atoms are stripped of 72 of their electrons to form nitrogen-like Au72+ ions inside extremely hot plasmas by irradiating gold foils and nanowires with highly relativistic femtosecond laser pulses.

中文翻译：

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金原子的极端电离

通过用高度相对论的飞秒激光脉冲辐照金箔和纳米线，金原子中的72个电子被剥离，从而在极热的等离子体中形成类似氮的Au72 +离子。