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| 001 | 189768 | ||
| 005 | 20210129215433.0 | ||
| 024 | 7 | _ | |a 10.1088/0957-4484/24/44/444001 |2 doi |
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| 082 | _ | _ | |a 530 |
| 100 | 1 | _ | |a Neumann, C. |0 P:(DE-Juel1)156572 |b 0 |e Corresponding Author |
| 245 | _ | _ | |a Graphene-based charge sensors |
| 260 | _ | _ | |a Bristol |c 2013 |b IOP Publ. |
| 336 | 7 | _ | |a Journal Article |b journal |m journal |0 PUB:(DE-HGF)16 |s 1430232271_26977 |2 PUB:(DE-HGF) |
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| 336 | 7 | _ | |a article |2 DRIVER |
| 520 | _ | _ | |a We discuss graphene nanoribbon-based charge sensors and focus on their functionality in the presence of external magnetic fields and high frequency pulses applied to a nearby gate electrode. The charge detectors work well with in-plane magnetic fields of up to 7 T and pulse frequencies of up to 20 MHz. By analyzing the step height in the charge detector's current at individual charging events in a nearby quantum dot, we determine the ideal operation conditions with respect to the applied charge detector bias. Average charge sensitivities of 1.3 × 10−3e Hz−1/2 can be achieved. Additionally, we investigate the back action of the charge detector current on the quantum transport through a nearby quantum dot. By varying the charge detector bias from 0 to 4.5 mV, we can increase the Coulomb peak currents measured at the quantum dot by a factor of around 400. Furthermore, we can completely lift the Coulomb blockade in the quantum dot. |
| 536 | _ | _ | |a 421 - Frontiers of charge based Electronics (POF2-421) |0 G:(DE-HGF)POF2-421 |c POF2-421 |f POF II |x 0 |
| 588 | _ | _ | |a Dataset connected to CrossRef, juser.fz-juelich.de |
| 700 | 1 | _ | |a Volk, C. |0 P:(DE-HGF)0 |b 1 |
| 700 | 1 | _ | |a Engels, S. |0 P:(DE-HGF)0 |b 2 |
| 700 | 1 | _ | |a Stampfer, C. |0 P:(DE-HGF)0 |b 3 |
| 773 | _ | _ | |a 10.1088/0957-4484/24/44/444001 |g Vol. 24, no. 44, p. 444001 - |0 PERI:(DE-600)1362365-5 |n 44 |p 444001 - |t Nanotechnology |v 24 |y 2013 |x 1361-6528 |
| 856 | 4 | _ | |u http://iopscience.iop.org/0957-4484/24/44/444001/ |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/189768/files/0957-4484_24_44_444001.pdf |y Restricted |
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