Ultra-low switching power, crystallographic analysis, and switching mechanism for SnXTe100-X/Sb2Te3 diluted superlattice system

被引：23

作者：

Soeya, Susumu ^{[1
]}

Shintani, Toshimichi ^{[1
]}

Odaka, Takahiro ^{[1
]}

Kondou, Reiko ^{[1
]}

Tominaga, Junji ^{[1
]}

机构：

[1] Natl Inst Adv Ind Sci & Technol, Collaborat Res Team, Green Nanoelect Ctr, Tsukuba, Ibaraki 3058569, Japan

来源：

APPLIED PHYSICS LETTERS | 2013年 / 103卷 / 05期

基金：

日本学术振兴会;

关键词：

MEMORY;

D O I：

10.1063/1.4817068

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Ultra-low switching power (similar to 1/50th-1/2250th that of a Ge2Sb2Te5 device) was obtained in a SnXTe100-X/Sb2Te3 diluted superlattice (SL) device (X = 10, 20, and 35 at.%). XRD analysis showed that there was little coexistence of the SnTe/Sb2Te3 SL, Bi2Te3-type SnSbTe-alloy and Te phases. Detailed crystallographic analysis showed that there is a high probability that the SnSbTe-alloy phase independently changed into a SL structure. This self-assembled SL structure had a vacancy layer in a specific Te layer. Some phenomenon, such as Sn switching, in the self-assembled SL might lead to the ultra-low switching power. (C) 2013 AIP Publishing LLC.

引用

页数：4

共 13 条

[1] Overview of candidate device technologies for storage-class memory
Burr, G. W.
Kurdi, B. N.
Scott, J. C.
Lam, C. H.
Gopalakrishnan, K.
Shenoy, R. S.
[J]. IBM JOURNAL OF RESEARCH AND DEVELOPMENT, 2008, 52 (4-5) : 449 - 464
[2] Cullity B. D., 1961, XRAY DIFFRACTION, P126
[3] Cullity B. D., 1961, XRAY DIFFRACTION, P351
[4] Low-temperature fabrication of L10 ordered FePt alloy by alternate monatomic layer deposition
Shima, T
Moriguchi, T
Mitani, S
Takanashi, K
[J]. APPLIED PHYSICS LETTERS, 2002, 80 (02) : 288 - 290
[5] Shintani T., P EUR PHAS CHANG OV, P110
[6] Simpson RE, 2011, NAT NANOTECHNOL, V6, P501, DOI [10.1038/NNANO.2011.96, 10.1038/nnano.2011.96]
[7] Soeya S., 2012, P PHAS CHANG OR SCI, P49
[8] Soeya S., 2012, P EUR PHAS CHANG OV, P154
[9] Soeya S., APPL PHYS L IN PRESS
[10] Crystalline structure of GeTe layer in GeTe/Sb2Te3 superlattice for phase change memory
Soeya, Susumu
Shintani, Toshimichi
[J]. JOURNAL OF APPLIED PHYSICS, 2012, 112 (03)

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