MEASUREMENTS OF COULOMB BLOCKADE WITH A NONINVASIVE VOLTAGE PROBE

被引:535
作者
FIELD, M [1 ]
SMITH, CG [1 ]
PEPPER, M [1 ]
RITCHIE, DA [1 ]
FROST, JEF [1 ]
JONES, GAC [1 ]
HASKO, DG [1 ]
机构
[1] CAMBRIDGE RES CTR,CAMBRIDGE CB4 4WE,ENGLAND
关键词
D O I
10.1103/PhysRevLett.70.1311
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We have investigated the behavior of a laterally confined quantum dot in close proximity to a one-dimensional channel in a separate electrical circuit. When this channel is biased in the tunneling regime the resistance is very sensitive to electric fields, and therefore is sensitive to the potential variations on the dot when it is showing Coulomb blockade oscillations. This effect can be calibrated directly, allowing the Coulomb charging energy to be measured. We also found the activation energy of transport through the dot is much lower than expected.
引用
收藏
页码:1311 / 1314
页数:4
相关论文
共 14 条
[1]  
Averin D. V., 1991, MESOSCOPIC PHENOMENA
[2]   RESONANT MAGNETO-TRANSPORT THROUGH A LATERAL QUANTUM BOX IN A SEMICONDUCTOR HETEROSTRUCTURE [J].
BROWN, RJ ;
SMITH, CG ;
PEPPER, M ;
KELLY, MJ ;
NEWBURY, R ;
AHMED, H ;
HASKO, DG ;
FROST, JEF ;
PEACOCK, DC ;
RITCHIE, DA ;
JONES, GAC .
JOURNAL OF PHYSICS-CONDENSED MATTER, 1989, 1 (35) :6291-6298
[3]   NOISE AND REPRODUCIBLE STRUCTURE IN A GAAS/ALXGA1-XAS ONE-DIMENSIONAL CHANNEL [J].
COBDEN, DH ;
PATEL, NK ;
PEPPER, M ;
RITCHIE, DA ;
FROST, JEF ;
JONES, GAC .
PHYSICAL REVIEW B, 1991, 44 (04) :1938-1941
[4]   SUPERCONDUCTIVITY OF SMALL TIN PARTICLES MEASURED BY TUNNELING [J].
GIAEVER, I ;
ZELLER, HR .
PHYSICAL REVIEW LETTERS, 1968, 20 (26) :1504-&
[5]   SINGLE ELECTRON CHARGING EFFECTS IN SEMICONDUCTOR QUANTUM DOTS [J].
KOUWENHOVEN, LP ;
VANDERVAART, NC ;
JOHNSON, AT ;
KOOL, W ;
HARMANS, CJPM ;
WILLIAMSON, JG ;
STARING, AAM ;
FOXON, CT .
ZEITSCHRIFT FUR PHYSIK B-CONDENSED MATTER, 1991, 85 (03) :367-373
[6]   DIRECT OBSERVATION OF MACROSCOPIC CHARGE QUANTIZATION [J].
LAFARGE, P ;
POTHIER, H ;
WILLIAMS, ER ;
ESTEVE, D ;
URBINA, C ;
DEVORET, MH .
ZEITSCHRIFT FUR PHYSIK B-CONDENSED MATTER, 1991, 85 (03) :327-332
[7]   CHARGE-QUANTIZATION STUDIES USING A TUNNEL CAPACITOR [J].
LAMBE, J ;
JAKLEVIC, RC .
PHYSICAL REVIEW LETTERS, 1969, 22 (25) :1371-&
[9]   SINGLE-ELECTRON CHARGING AND PERIODIC CONDUCTANCE RESONANCES IN GAAS NANOSTRUCTURES [J].
MEIRAV, U ;
KASTNER, MA ;
WIND, SJ .
PHYSICAL REVIEW LETTERS, 1990, 65 (06) :771-774
[10]   THE TRANSITION FROM ONE-DIMENSIONAL TO ZERO-DIMENSIONAL BALLISTIC TRANSPORT [J].
SMITH, CG ;
PEPPER, M ;
AHMED, H ;
FROST, JEF ;
HASKO, DG ;
PEACOCK, DC ;
RITCHIE, DA ;
JONES, GAC .
JOURNAL OF PHYSICS C-SOLID STATE PHYSICS, 1988, 21 (24) :L893-L898