Search Results - "Folk, J A"

Quantized conductance doubling and hard gap in a two-dimensional semiconductor–superconductor heterostructure by Kjaergaard, M., Nichele, F., Suominen, H. J., Nowak, M. P., Wimmer, M., Akhmerov, A. R., Folk, J. A., Flensberg, K., Shabani, J., Palmstrøm, C. J., Marcus, C. M.

“…Coupling a two-dimensional (2D) semiconductor heterostructure to a superconductor opens new research and technology opportunities, including fundamental…”
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Control and Detection of Singlet-Triplet Mixing in a Random Nuclear Field by Koppens, F. H. L, Folk, J. A, Elzerman, J. M, Hanson, R, van Beveren, L. H. Willems, Vink, I. T, Tranitz, H. P, Wegscheider, W, Kouwenhoven, L. P, Vandersypen, L. M. K

“…We observed mixing between two-electron singlet and triplet states in a double quantum dot, caused by interactions with nuclear spins in the host…”
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Kondo Effect in Electromigrated Gold Break Junctions by Houck, A. A, Labaziewicz, J, Chan, E. K, Folk, J. A, Chuang, I. L

“…We present gate-dependent transport measurements of Kondo impurities in bare gold break junctions, generated with high yield using an electromigration process…”
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Electron-Hole Asymmetric Chiral Breakdown of Reentrant Quantum Hall States by Rossokhaty, A V, Baum, Y, Folk, J A, Watson, J D, Gardner, G C, Manfra, M J

“…Reentrant integer quantum Hall (RIQH) states are believed to be correlated electron solid phases, although their microscopic description remains unclear. As…”
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A Gate-Controlled Bidirectional Spin Filter Using Quantum Coherence by Folk, J. A., Potok, R. M., Marcus, C. M., Umansky, V.

“…We demonstrate a quantum coherent electron spin filter by directly measuring the spin polarization of emitted current. The spin filter consists of an open…”
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Ballistic spin resonance by Folk, J. A, Lüscher, S, Yu, W, Wegscheider, W, Frolov, S. M, Ren, Y

“…The phenomenon of spin resonance has had far-reaching influence since its discovery 70 years ago. Electron spin resonance driven by high-frequency magnetic…”
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Kondo effect in the presence of magnetic impurities by Heersche, H B, de Groot, Z, Folk, J A, Kouwenhoven, L P, van der Zant, H S J, Houck, A A, Labaziewicz, J, Chuang, I L

“…We measure transport through gold grain quantum dots fabricated using electromigration, with magnetic impurities in the leads. A Kondo interaction is observed…”
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Detecting spin-polarized currents in ballistic nanostructures by Potok, R M, Folk, J A, Marcus, C M, Umansky, V

“…We demonstrate a mesoscopic spin polarizer/analyzer system that allows the spin polarization of current from a quantum point contact in a large in-plane…”
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Spin and polarized current from Coulomb blockaded quantum dots by Potok, R M, Folk, J A, Marcus, C M, Umansky, V, Hanson, M, Gossard, A C

“…We report measurements of spin transitions for GaAs quantum dots in the Coulomb blockade regime and compare ground and excited state transport spectroscopy to…”
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Defect-mediated spin relaxation and dephasing in graphene by Lundeberg, M B, Yang, R, Renard, J, Folk, J A

“…A principal motivation to develop graphene for future devices has been its promise for quantum spintronics. Hyperfine and spin-orbit interactions are expected…”
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Electron transport through single Mn12 molecular magnets by Heersche, H B, de Groot, Z, Folk, J A, van der Zant, H S J, Romeike, C, Wegewijs, M R, Zobbi, L, Barreca, D, Tondello, E, Cornia, A

“…We report transport measurements through a single-molecule magnet, the Mn12 derivative [Mn12O12(O2C-C6H4-SAc)16(H2O)4], in a single-molecule transistor…”
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Decoherence in nearly isolated quantum dots by Folk, J A, Marcus, C M, Harris, Jr, J S

“…Decoherence in nearly isolated GaAs quantum dots is investigated using the change in the average Coulomb blockade peak height when time-reversal symmetry is…”
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Electronic and magnetic properties of triangular graphene quantum rings by Potasz, P., Güçlü, A. D., Voznyy, O., Folk, J. A., Hawrylak, P.

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Low-Temperature Saturation of the Dephasing Time and Effects of Microwave Radiation on Open Quantum Dots by Huibers, A. G., Folk, J. A., Patel, S. R., Marcus, C. M., Duruöz, C. I., Harris, J. S.

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Electrical generation of pure spin currents in a two-dimensional electron gas by Frolov, S M, Venkatesan, A, Yu, W, Folk, J A, Wegscheider, W

“…Pure spin currents are generated and detected in micron-wide channels of a GaAs two-dimensional electron gas, using quantum point contacts in an in-plane…”
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Statistics and parametric correlations of Coulomb blockade peak fluctuations in quantum dots by Folk, JA, Patel, SR, Godijn, SF, Huibers, AG, Cronenwett, SM, Marcus, CM, Campman, K, Gossard, AC

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Spin-orbit effects in a GaAs quantum dot in a parallel magnetic field by Halperin, B I, Stern, A, Oreg, Y, Cremers, J N, Folk, J A, Marcus, C M

“…We analyze the effects of spin-orbit coupling on fluctuations of the conductance of a quantum dot fabricated in a GaAs heterostructure. Counterintuitively we…”
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Spin degeneracy and conductance fluctuations in open quantum dots by Folk, J A, Patel, S R, Birnbaum, K M, Marcus, C M, Duruöz, C I, Harris, Jr, J S

“…The dependence of conductance fluctuations on parallel magnetic field is used as a probe of spin degeneracy in open GaAs quantum dots. The variance of…”
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Conductance fluctuations in quasi-two-dimensional systems: A practical view by Lundeberg, M. B., Renard, J., Folk, J. A.

“…The universal conductance fluctuations of quasi-two-dimensional systems are analyzed with experimental considerations in mind. The traditional statistical…”
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Real-time imaging of K atoms on graphite: interactions and diffusion by Renard, J, Lundeberg, M B, Folk, J A, Pennec, Y

“…Scanning tunneling microscopy (STM) at liquid helium temperature is used to image potassium adsorbed on graphite at low coverage (≈0.02 monolayer). Single…”
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