Theoretical investigation of gate dielectrics

被引:2
作者
Demkov, AA [1 ]
Zhang, XD [1 ]
机构
[1] Motorola Inc, Phys Sci Res Labs, Tempe, AZ 85284 USA
来源
2001 IEEE INTERNATIONAL SYMPOSIUM ON COMPOUND SEMICONDUCTORS | 2000年
关键词
D O I
10.1109/ISCS.2000.947146
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We describe a theoretical methodology for screening potential gate dielectric materials. A recently proposed method for constructing realistic structural models of the Si-dielectric interface is used to generate the Si-SiO2-Si and Si-SiON-SiO2-Si model metal-oxide-semiconductor (MOS) structures. We use ballistic transport approach to investigate the low bias leakage through these ultra-thin dielectric layers. We investigate the thermodynamic stability of the SrTiO3-Si interface, and present the first ab-initio study of the structure and electronic properties of crystalline HfO2.
引用
收藏
页码:155 / 160
页数:6
相关论文
共 21 条
[1]   Intermixing at the tantalum oxide/silicon interface in gate dielectric structures [J].
Alers, GB ;
Werder, DJ ;
Chabal, Y ;
Lu, HC ;
Gusev, EP ;
Garfunkel, E ;
Gustafsson, T ;
Urdahl, RS .
APPLIED PHYSICS LETTERS, 1998, 73 (11) :1517-1519
[2]   Structure and stability of ultrathin zirconium oxide layers on Si(001) [J].
Copel, M ;
Gribelyuk, M ;
Gusev, E .
APPLIED PHYSICS LETTERS, 2000, 76 (04) :436-438
[3]   Growth study and theoretical investigation of the ultrathin oxide SiO2-Si heterojunction [J].
Demkov, AA ;
Sankey, OF .
PHYSICAL REVIEW LETTERS, 1999, 83 (10) :2038-2041
[4]   ELECTRONIC-STRUCTURE APPROACH FOR COMPLEX SILICAS [J].
DEMKOV, AA ;
ORTEGA, J ;
SANKEY, OF ;
GRUMBACH, MP .
PHYSICAL REVIEW B, 1995, 52 (03) :1618-1630
[5]  
DEMKOV AA, 2000, J VAC SCI TECHNOL B, V18
[6]   Field effect transistors with SrTiO3 gate dielectric on Si [J].
Eisenbeiser, K ;
Finder, JM ;
Yu, Z ;
Ramdani, J ;
Curless, JA ;
Hallmark, JA ;
Droopad, R ;
Ooms, WJ ;
Salem, L ;
Bradshaw, S ;
Overgaard, CD .
APPLIED PHYSICS LETTERS, 2000, 76 (10) :1324-1326
[7]   RELATION BETWEEN CONDUCTIVITY AND TRANSMISSION MATRIX [J].
FISHER, DS ;
LEE, PA .
PHYSICAL REVIEW B, 1981, 23 (12) :6851-6854
[8]   EXPERIMENTAL AND THEORETICAL DETERMINATION OF THE ELECTRONIC-STRUCTURE AND OPTICAL-PROPERTIES OF 3 PHASES OF ZRO2 [J].
FRENCH, RH ;
GLASS, SJ ;
OHUCHI, FS ;
XU, YN ;
CHING, WY .
PHYSICAL REVIEW B, 1994, 49 (08) :5133-5141
[9]   Growth and film characteristics of N2O and NO oxynitride gate and tunnel dielectrics [J].
Hegde, RI ;
Maiti, B ;
Tobin, PJ .
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1997, 144 (03) :1081-1086
[10]   Leakage current and electrical breakdown in metal-organic chemical vapor deposited TiO2 dielectrics on silicon substrates [J].
Kim, HS ;
Gilmer, DC ;
Campbell, SA ;
Polla, DL .
APPLIED PHYSICS LETTERS, 1996, 69 (25) :3860-3862