ELECTRICAL-PROPERTIES OF STRONTIUM-TITANATE THIN-FILMS BY MULTIION-BEAM REACTIVE SPUTTERING TECHNIQUE

被引:37
作者
PENG, CJ [1 ]
HU, H [1 ]
KRUPANIDHI, SB [1 ]
机构
[1] IND TECHNOL RES INST,MAT RES LABS,HSINCHU,TAIWAN
关键词
D O I
10.1063/1.109827
中图分类号
O59 [应用物理学];
学科分类号
摘要
Thin films of SrTiO3 were deposited by multi-ion-beam reactive sputtering technique using SrO and Ti-metal targets. The dielectric behavior of the films deposited on Pt-coated Si substrates showed thickness dependence. A dielectric constant of 219 at 100 KHz was found for 1.2 mum thick films. A charge storage density of about 15 fC/mum2 and leakage current density of 106 muA/cm2 at an electric field of 0.17 MV/cm were obtained for 0.3 mum films. The probable interface layers present between film and silicon substrate, in the case of metal-insulator-silicon configuration, appear to influence the electrical behavior. Preliminary analysis showed that the conduction of the films in high field region was bulk-limited Poole-Frenkel emission mechanisms.
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页码:1038 / 1040
页数:3
相关论文
共 11 条
  • [1] BURFOOT JC, 1970, JPN J APPL PHYS S, V28, P417
  • [2] CHOPRA KL, 1969, THIN FILM PHENOMENA, P189
  • [3] DIELECTRIC-PROPERTIES OF ELECTRON-BEAM EVAPORATED SAMARIUM OXIDE-FILMS
    JAYARAJ, MK
    VALLABHAN, CPG
    [J]. THIN SOLID FILMS, 1991, 197 (1-2) : 15 - 19
  • [4] KURPANIDHI SB, 1992, J APPL PHYS, V71, P376
  • [5] SOME ELECTRICAL PROPERTIES OF STRONTIUM TITANATE
    LINZ, A
    [J]. PHYSICAL REVIEW, 1953, 91 (03): : 753 - 754
  • [6] MATSUBARA S, 1990, MATER RES SOC SYMP P, V200, P243, DOI 10.1557/PROC-200-243
  • [7] PARKER LH, 1990, IEEE CIRCUITS DEVICE, P17
  • [8] PINIZZOTTO RF, 1991, UNPUB MATERIALS RES
  • [9] SZE SM, 1985, SEMICONDUCTOR DEVICE, P194
  • [10] YAMAMICHI S, 1991, JPN J APPL PHYS, V30, P3193