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THE ELECTRON SPIN RESONANCE ABSORPTION OF TWO SOLID-STATE PARAMAGNETIC CENTERS PART I. FROZEN 'TETRAMETHYL AMMONIUM' SOLUTIONS PART II. CRESTMORE BLUE CALCITE

机译：两个固态顺磁性中心的电子自旋共振吸收第一部分冷冻“四甲基铵”溶液第二部分。 CREsTmORE BLUE CaLCITE

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The electrolytic reduction of tetramethyl ammonium iodide, dissolved in liquid ammonia, yields a blue solution called "tetra-methyl ammonium. " The paramagnetic resonance spectrum of this material cooled below the freezing point of ammonia has been examined. A single-line spectrum is observed at 8750 Mc/sec, with g = 2, △hmsl = 2.3 gauss, and a line shape intermediate between Gaussian and Lorentzian. The origin of this spectrum and its line shape is discussed.nThe paramagnetic resonance spectrum of Crestmore blue calcite has been examined. At 77°K a nearly isotropic quartet is observed with g = 2.011 ± 0.0062 When the calcite is bleached, this quartet cannot be observed. The appearance of the quartet suggests an isotropic hyperfine interaction for a nucleus with I = 3/2 and with a/h = 22 ± 1 Mc/sec.

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Larry R. Doyle;
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年度 1961
页码 1-59
总页数 59
原文格式 PDF
正文语种 eng
中图分类工业技术;
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THE ELECTRON SPIN RESONANCE ABSORPTION OF TWO SOLID-STATE PARAMAGNETIC CENTERS PART I. FROZEN 'TETRAMETHYL AMMONIUM' SOLUTIONS PART II. CRESTMORE BLUE CALCITE

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