Handbook of Thermionic Properties: Electronic Work Functions by V. S. Fomenko, G. V. Samsonov (auth.), V. S. Fomenko, G. V.

By V. S. Fomenko, G. V. Samsonov (auth.), V. S. Fomenko, G. V. Samsonov (eds.)

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Extra resources for Handbook of Thermionic Properties: Electronic Work Functions and Richardson Constants of Elements and Compounds

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EV No. 70 Remarks Geiger- MUller counter measurements in hydrogen atmosphere. 86 {Ill} face of single crystal. 95 Computed using formula (1). 5 Melted copper. 61 {ll 0} face of single crystal. 4 eV. 30. 66 25 Work function 1fJ, eV No. 18 Computed using formula (7). 31 eV. Computed using formula (6). 31 eV. 26 {001} face of single crystal. 24 eV. 26 Com puted using formula (1). References [6] [ 51] [ 302] [ 159] [ 302] [85] [2] [3,90] [ 5] [ 91) [2) [ 92] [ 7] [38] [85] [303] Work function cp, eV No.

6 eV. I 32. 29 Ge {Ill} face of single crystal. 76 27 Work function ({I, eV No. 55 eV). 76 eV. Fig. 1. Graph of work function IPJ< measured by the contact potential difference method (I), and of ({IT measured by the total current method (2), as a function of the temperature of n-type germanium specimen [338]. 35423 723 r:K Fig. 2. Temperature variation of lI'T for germanium processed in cesium vapor [338]. 873 r,°K 33. 72 As Evaporated on Cu, Ni, Ta, and graphite. Crystalline sublimated layers on Ni, Mo, Pt, Nb, fused quartz, graphite, and on Ni-Fe-Cu alloy.

2,437] [6,128] [ 303] Work function rp, eV No. TM PM FM EM CPOM 60. 3 Computed using formula (1). Read off graph of work fUQction vs. atomic number. 07 62. Samarium Work function evaluated from Eq. (8). Read off graph of work function vs. atomic number. 54 64. 2 63. Europium 1 References Nd 61. Pro me thiu m 1 2 Remarks Work function evaluated from Eq. (8). [56] Work function evaluated from Eq. (8). [56] Gd Work function 1fI, eV No. TM PM FM EM CPDM 65. 12 49 [56] Work function evaluated from Eq.

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