Clinton Davisson

Davisson (kiri) dengan Germer (1927)

Clinton Joseph Davisson (Bloomington, 22 Oktober 1881 - Charlottesville, 1 Februari 1958) ialah fisikawan Amerika Serikat yang bekerja di Bell Labs memantulkan elektron dari logam dengan Lester Halbert Germer. Pada 1925, sebuah alat yang memuat sasaran nikel rusak, menembus vakum dan merusakkan sampel nikel yang disediakan. Davisson dan Germer memanaskan nikel untuk digunakan lagi, tanpa sengaja menggabungkannya dalam kristal besar. Saat elektron tersebar dari kristal itu, pola-pola difraksi diamati, menunjukkan bahwa elektron mempunyai sifat gelombang. Atas eksperimen ini, Davisson menerima Penghargaan Nobel dalam Fisika tahun 1937 dengan George Paget Thomson.

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