Calculation of elastic scattering cross sections of low-energy electrons by PbH4 and SnH4

被引:29
作者
Bettega, MHF [1 ]
Natalense, APP [1 ]
Lima, MAP [1 ]
Ferreira, LG [1 ]
机构
[1] UNIV ESTADUAL CAMPINAS,INST FIS GLEB WATAGHIN,BR-13083970 CAMPINAS,SP,BRAZIL
关键词
D O I
10.1063/1.469840
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
We report elastic integral, differential, and momentum transfer cross sections from 10 to 30 eV for electron scattering by SnH4 and PbH4, obtained using the Schwinger Multichannel Method with Pseudopotentials [M. H. F. Bettega, L. G. Ferreira, and M. A. P. Lima, Phys. Rev. A 47, 1111 (1993)]. With these molecules we close the series of XH(4) molecules, with X=C, Si, Ge, Sn, Pb. We compare the present results with those obtained previously for CH4, SiH4, and GeH4. We find similarities in the cross sections for SiH4, GeH4, SnH4, and PbH4 and a distinctive behavior of CH4. We discuss the role of the center atom size in the scattering process. To our knowledge this is the first ab initio calculation of the SnH4 and PbH4 electron scattering cross sections. (C) 1995 American Institute of Physics.
引用
收藏
页码:10566 / 10570
页数:5
相关论文
共 14 条
[1]   TRANSFERABILITY OF LOCAL-DENSITY NORM-CONSERVING PSEUDOPOTENTIALS TO ELECTRON-MOLECULE-COLLISION CALCULATIONS [J].
BETTEGA, MHF ;
FERREIRA, LG ;
LIMA, MAP .
PHYSICAL REVIEW A, 1993, 47 (02) :1111-1118
[2]  
BETTEGA MHF, UNPUB, P63608
[3]   IMPROVED ABINITIO EFFECTIVE POTENTIALS FOR AR, KR, AND XE WITH APPLICATIONS TO THEIR HOMONUCLEAR DIMERS [J].
CHRISTIANSEN, PA ;
PITZER, KS ;
LEE, YS ;
YATES, JH ;
ERMLER, WC ;
WINTER, NW .
JOURNAL OF CHEMICAL PHYSICS, 1981, 75 (11) :5410-5415
[4]   ELASTIC AND INELASTIC-SCATTERING OF ELECTRONS BY METHANE AND ETHANE [J].
CURRY, PJ ;
NEWELL, WR ;
SMITH, ACH .
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1985, 18 (11) :2303-2318
[6]   ELECTRON-SCATTERING BY NITROGEN MOLECULES [J].
GILLAN, CJ ;
NAGY, O ;
BURKE, PG ;
MORGAN, LA ;
NOBLE, CJ .
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1987, 20 (17) :4585-4603
[7]   APPLICATIONS OF THE SCHWINGER MULTICHANNEL METHOD TO ELECTRON-MOLECULE COLLISIONS [J].
LIMA, MAP ;
BRESCANSIN, LM ;
DASILVA, AJR ;
WINSTEAD, C ;
MCKOY, V .
PHYSICAL REVIEW A, 1990, 41 (01) :327-332
[8]  
LIMA MAP, 1988, PHYS REV A, V30, P501
[9]   CONTRACTED GAUSSIAN-BASIS SETS FOR MOLECULAR CALCULATIONS .1. 2ND ROW ATOMS, Z=11-18 [J].
MCLEAN, AD ;
CHANDLER, GS .
JOURNAL OF CHEMICAL PHYSICS, 1980, 72 (10) :5639-5648
[10]   LOW-ENERGY-ELECTRON SCATTERING BY CF4, CCL4, SICL4, SIBR4, AND SII4 [J].
NATALENSE, APP ;
BETTEGA, MHF ;
FERREIRA, LG ;
LIMA, MAP .
PHYSICAL REVIEW A, 1995, 52 (01) :R1-R4