SUB-MU-M, PLANARIZED, NB-ALOX-NB JOSEPHSON PROCESS FOR 125-MM WAFERS DEVELOPED IN PARTNERSHIP WITH SI TECHNOLOGY

被引:90
作者
KETCHEN, MB [1 ]
PEARSON, D [1 ]
KLEINSASSER, AW [1 ]
HU, CK [1 ]
SMYTH, M [1 ]
LOGAN, J [1 ]
STAWIASZ, K [1 ]
BARAN, E [1 ]
JASO, M [1 ]
ROSS, T [1 ]
PETRILLO, K [1 ]
MANNY, M [1 ]
BASAVAIAH, S [1 ]
BRODSKY, S [1 ]
KAPLAN, SB [1 ]
GALLAGHER, WJ [1 ]
BHUSHAN, M [1 ]
机构
[1] MIT,LINCOLN LAB,LEXINGTON,MA 02173
关键词
D O I
10.1063/1.106405
中图分类号
O59 [应用物理学];
学科分类号
摘要
We have demonstrated a new planarized all-refractory technology for low T(c) superconductivity (PARTS). With the exception of the Nb-AlOx-Nb trilayer preparation, the processing is done almost exclusively within an advanced Si technology fabrication facility. This approach has allowed us to leverage highly off of existing state-of-the-art lithography, metal etching, materials deposition, and planarization capabilities. Using chemical-mechanical polish as the planarization technique we have fabricated Josephson junctions ranging in size from 0.5-100-mu-m2. Junction quality is excellent with the figure of merit V(m) typically exceeding 70 mV. PARTS has yielded fully functional integrated Josephson devices including magnetometers, gradiometers, and soliton oscillators.
引用
收藏
页码:2609 / 2611
页数:3
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