保加利亚著名物理学家。I. St.Petroff的Goettingen研究碱金属卤化物中色心的光激发相互转换：光激发聚集的发现
Famed Bulgarian physicists. I. St. Petroff's Goettingen research of the photostimulated interconversions of color centers in alkali halides: the discovery of the photostimulated aggregation
摘要：
这篇文章简要地讲述了一位最成功的科学家的生活和工作，他来自巴尔干半岛的一个定居点，其名字和知名度大大超过了它的领域。这个词是在二战期间发现的F中心（其他碱原子）从蒸汽中溶解成碱金属卤化物晶体的光刺激聚集。1943年至1944年，他在德国哥廷根洪堡基金会的资助下使用光学吸收技术，发现了与小尺寸F中心聚集体有关的新吸收带，并遵循了它们的相互转换。第一次证明了主要的光化学固态反应导致纳米级产品。
英文摘要：
This essay tells briefly of the life and work of one of the most successful scientists originating from a Balkan settlement whose name and popularity have greatly exceeded its realm. The word is of a discovery during WWII of the photostimulated aggregation of the F centers (else alkali atoms) dissolved from the vapor into an alkali halide crystal. Using optical absorption techniques while a grantee of Humboldt's Foundation in Goettingen, Germany between 1943-1944, he found new absorption bands pertaining to small-size F center aggregates and followed their interconversions. A primary photochemical solid state reaction was evidenced for the first time leading to nanoscale products.
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