Report/Guide

Hao, L; Gallop, J C; Cox, D; Janssen, T J B M (2007) Graphene: a review of the state of the art and future metrology applications. NPL Report. TQE 1

Article

Johnson, N; Emary, C; Ryu, S; Sim, H-S; See, P; Fletcher, J D; Griffiths, J P; Jones, G A C; Farrer, I; Ritchie, D A; Pepper, M; Janssen, T J B M; Kataoka, M (2018) LO-Phonon Emission Rate of Hot Electrons from an On-Demand Single-Electron Source in a GaAs/AlGaAs Heterostructure. Physical Review Letters, 121 (13). 137703 ISSN 0031-9007

Piquemal, F*; Jeckelmann, B*; Callegaro, L*; Hallstrom, J*; Janssen, T J B M; Melcher, J*; Rietveld, G*; Siegner, U*; Wright, P; Zeier, M* (2017) Metrology in electricity and magnetism: EURAMET activities today and tomorrow. Metrologia, 54 (5). R1-R24

Chua, C*; Lartsev, A*; Sui, J*; Panchal, V; Puddy, R*; Richardson, C*; Smith, C G*; Janssen, T J B M; Tzalenchuk, A; Yakimova, R*; Kubatkin, S*; Connolly, M R* (2017) Observation of Coulomb blockade in nanostructured epitaxial bilayer graphene on SiC. Carbon, 119. pp. 426-430.

Johnson, N; Fletcher, J D; Humphreys, D A; See, P; Griffiths, J P*; Jones, G A C*; Farrer, I*; Ritchie, D A*; Pepper, M*; Janssen, T J B M; Kataoka, M (2017) Ultrafast voltage sampling using single-electron wavepackets. Appl. Phys. Lett., 110 (10). 102105

Alexander-Webber, J A*; Huang, J*; Maude, D K*; Janssen, T J B M; Tzalenchuk, A; Antonov, V*; Yager, T*; Lara-Avila, S*; Kubatkin, S*; Yakimova, R*; Nicholas, R J* (2016) Giant quantum Hall plateaus generated by charge transfer in epitaxial graphene. Sci. Rep., 6. p. 30296.

Giblin, S P; See, P; Petrie, A; Janssen, T J B M; Farrer, I*; Griffiths, J P*; Jones, G A C*; Ritchie, D A*; Kataoka, M (2016) High-resolution error detection in the capture process of a single-electron pump. Appl. Phys. Lett., 108 (2). 023502

Kataoka, M; Johnson, N; Emary, C*; See, P; Griffiths, J P*; Jones, G A C*; Farrer, I*; Ritchie, D A*; Pepper, M*; Janssen, T J B M (2016) Time-of-flight measurements of single-electron wave packets in quantum-Hall edge states. Phys. Rev. Lett., 116 (12). 126803

Huang, J*; Alexander-Webber, J A*; Janssen, T J B M; Tzalenchuk, A; Yager, T*; Lara-Avila, S*; Kubatkin, S*; Myers-Ward, R L*; Wheeler, V D*; Gaskill, D K*; Nicholas, R J* (2015) Hot carrier relaxation of Dirac fermions in bilayer epitaxial graphene. J. Phys., Condens. Matter, 27 (16). 164202

Lara-Avila, S*; Kubatkin, S*; Kashuba, O*; Folk, J A*; Luscher, S*; Yakimova, R*; Janssen, T J B M; Tzalenchuk, A; Fal'ko, V* (2015) Influence of impurity spin dynamics on quantum transport in epitaxial graphene. Phys. Rev. Lett., 115 (10). 106602

Waldie, J; See, P; Kashcheyevs, V*; Griffiths, J P*; Farrer, I*; Jones, G A C*; Ritchie, D A*; Janssen, T J B M; Kataoka, M (2015) Measurement and control of electron wave packet from a single-electron source. Phys. Rev. B, 92 (12). 125305

Janssen, T J B M; Rozhko, S; Antonov, I*; Tzalenchuk, A; Williams, J M; Melhelm, Z*; He, H*; Lara-Avila, S*; Kubatkin, S*; Yakimova, R* (2015) Operation of graphene quantum Hall resistance standard in a cryogen-free table-top system. 2D Materials, 2 (3). 035015

Huang, J*; Alexander-Webber, J A*; Baker, A M R*; Janssen, T J B M; Tzalenchuk, A; Antonov, V*; Yager, T*; Lara-Avila, S*; Kubatkin, S*; Yakimova, R*; Nicholas, R J* (2015) Physics of a disordered Direc point in epitaxial graphene from temperature-dependent magnetotransport measurement. Phys. Rev. B, 92 (7). 075407

Chua, C*; Connolly, M; Lartsev, A*; Yager, T*; Lara-Avila, S*; Kubatkin, S*; Kopylov, S*; Fal'ko, V*; Yakimova, R*; Pearce, R; Janssen, T J B M; Tzalenchuk, A; Smith, C G* (2014) Quantum Hall effect and quantum point contact in bilayer-patched epitaxial graphene. Nano Lett., 14 (6). pp. 3369-3373.

Janssen, T J B M; Giblin, S P; See, P; Fletcher, J D; Kataoka, M (2014) Redefinition of the ampere. Meas. Control, 47 (10). pp. 315-322.

Lartsev, A*; Yager, T*; Bergsten, T*; Tzalenchuk, A; Janssen, T J B M; Yakimova, R*; Lare-Avila, S*; Kubatkin, S* (2014) Tuning carrier density across Dirac point in epitaxial graphene on SiC by corona discharge. Appl. Phys. Lett., 105 (6). 063106

Fletcher, J D; See, P; Howe, H*; Pepper, M*; Giblin, S P; Griffiths, J P*; Jones, G A C*; Farrer, I*; Ritchie, D A*; Janssen, T J B M; Kataoka, M (2013) Clock-controlled emission of single-electron wavepackets in a solid-state circuit. Phys. Rev. Lett., 111 (21). 216807

Baker, A M R*; Alexander-Webber, J A*; Altebaeumer, T*; McMullan, S D*; Janssen, T J B M; Tzalenchuk, A; Lara-Avila, S*; Kubatkin, S*; Yakimova, R*; Lin, C T*; Li, L J*; Nicholas, R J* (2013) Energy loss rates of hot Dirac fermions in epitaxial, exfoliated and CVD graphene. Phys. Rev. B, 87 (4). 045414

Connolly, M R; Chiu, K L*; Giblin, S P; Kataoka, M; Fletcher, J D; Chua, C*; Griffiths, J P*; Jones, G A C*; Fal'ko, V I*; Smith, C G*; Janssen, T J B M (2013) Gigahertz quantized charge pumping in graphene quantum dots. Nature Nanotechnol., 8 (6). pp. 417-420.

Janssen, T J B M; Roy, D (2013) Nano-science and nano-metrology for societal benefits. MAPAN, J. Metrol. Soc. India, 28 (4). pp. 237-238.

Alexander-Webber, J A*; Baker, A M R*; Janssen, T J B M; Tzalenchuk, A; Lara-Avila, S*; Kubatkin, S*; Yakimova, R*; Piot, B A*; Maude, D K*; Nicholas, R J* (2013) Phase space for the breakdown of the quantum Hall effect in epitaxial graphene. Phys. Rev. Lett., 111 (9). 096601

Janssen, T J B M; Tzalenchuk, A; Lara-Avila, S*; Kubatkin, S*; Fal'ko, V* (2013) Practical and fundamental impact of epitaxial graphene on quantum metrology. MAPAN, J. Metrol. Soc. India, 28 (4). pp. 239-250.

Janssen, T J B M; Tzalenchuk, A; Lara-Avila, S*; Kubatkin, S*; Fal'ko, V I* (2013) Quantum resistance metrology using graphene. Rep. Prog. Phys., 76 (10). 104501

Giblin, S P; Kataoka, M; Fletcher, J D; See, P; Janssen, T J B M; Griffiths, J P*; Jones, G A C*; Farrer, I*; Ritchie, D A* (2013) Rectification in mesoscopic alternating current-gated semiconductor devices. J. Appl. Phys., 114 (16). 164505

Fletcher, J D; Kataoka, M; Giblin, S P; Park, S*; Sim, H S*; See, P; Ritchie, D A*; Griffiths, J P*; Jones, G A C*; Beere, H E*; Janssen, T J B M (2012) Stabilization of single-electron pumps by high magnetic fields. Phys. Rev. B, 86 (15). 155311

Giblin, S P; Kataoka, M; Fletcher, J D; See, P; Janssen, T J B M; Griffiths, J P*; Jones, G A C*; Farrer, I*; Ritchie, D A* (2012) Towards a quantum representation of the ampere using single electron pumps. Nature Comms., 3. p. 930.

Baker, A M R*; Alexander-Webber, J A*; Altebaeumer, T*; Janssen, T J B M; Tzalenchuk, A; Lara-Avila, S*; Kubatkin, S*; Yakimova, R*; Lin, C-T*; Li, L-J*; Nicholas, R J* (2012) Weak localization scattering lengths in epitaxial and CVD graphene. Phys. Rev. B, 86 (23). 235441

Janssen, T J B M; Tzalenchuk, A; Yakimova, R*; Kubatkin, S*; Lara-Avila, S*; Kopylov, S*; Fal'ko, V I* (2011) Anomalously strong pinning of the filling factor nu=2 in epitaxial graphene. Phys. Rev. B, 83 (23). 233402

Williams, J M; Rietveld, G*; Houtager, E*; Janssen, T J B M (2011) Design considerations for a CCC bridge with complete digital control. IEEE Trans. Instrum. Meas., 60 (12). pp. 3907-3912.

Lara-Avila, S*; Tzalenchuk, A; Kubatkin, S*; Yakimova, R*; Janssen, T J B M; Cedergren, K*; Bergsten, T*; Fal'ko, V* (2011) Disordered fermi liquid in expitaxial graphene from quantum transport measurements. Phys. Rev. Lett., 107 (16). 166602

Tzalenchuk, A; Lara-Avilla, S*; Cedergren, K*; Syvajarvi, M*; Yakomova, R*; Kazakova, O; Janssen, T J B M; Moth-Poulsen, K*; Bjornholm, T*; Kopylov, S*; Fal'ko, V*; Kubatkin, S* (2011) Engineering and metrology of epitaxial graphene. Solid State Commun., 151 (16). pp. 1094-1099.

Janssen, T J B M; Fletcher, N E*; Goebel, R*; Williams, J M; Tzalenchuk, A; Yakimova, R*; Kubatkin, S*; Lara-Avila, S*; Falko, V I* (2011) Graphene, universality of the quantum Hall effect and redefinition of the SI system. New J. Phys., 13. 093026

Kataoka, M; Fletcher, J D; See, P; Giblin, S P; Janssen, T J B M; Griffiths, J P*; Jones, G A C*; Farrer, I*; Ritchie, D A* (2011) Tunable nonadiabatic excitation in a single-electron quantum dot. Phys. Rev. Lett., 106 (12). 126801

Wright, S J*; Thorn, A L; Blumenthal, M D; Giblin, S P; Pepper, M*; Janssen, T J B M; Kataoka, M; Fletcher, J D; Jones, G A C*; Nicoll, C A*; Gumbs, G*; Ritchie, D A* (2011) single- and few-electron dynamic quantum dots in a perpendicular magnetic field. J. Appl. Phys., 109 (10). 102422

Tzalenchuk, A; Lara-Avila, S*; Kalaboukhov, A*; Paolillo, S*; Syväjärvi, M*; Yakimova, R*; Kazakova, O; Janssen, T J B M; Fal'ko, V*; Kubatkin, S* (2010) Towards a quantum resistance standard based on epitaxial graphene. Nature Nanotechnol., 5. pp. 186-189.

Tzalenchuk, A; Lara-Avila, S*; Kalaboukhov, A*; Paolillo, S*; Syvajarvi, M*; Yakimova, R*; Kazakova, O; Janssen, T J B M; Fal'ko, V*; Kubatkin, S* (2010) Towards a quantum resistance standard based on epitaxial graphene. Nature Nanotechnol., 5 (3). pp. 186-189.

Giblin, S P; Wright, S J*; Fletcher, J D; Kataoka, M; Pepper, M*; Janssen, T J B M; Ritchie, D A*; Nicoll, C A*; Anderson, D*; Jones, G A C* (2010) An accurate high-speed single-electron quantum dot pump. New J. Phys., 12. 073013

Williams, J M; Janssen, T J B M; Rietveld, G*; Houtzager, E* (2010) An automated cryogenic current comparator resistance ratio bridge for routine resistance measurements. Metrologia, 47 (3). pp. 167-174.

Williams, J M; Janssen, T J B M; Rietveld, G*; Houtzager, E* (2010) An automated cryogenic current comparator resistance ratio bridge for routine resistance measurements. Metrologia, 47 (3). pp. 167-174.

Blumenthal, M D*; Kaestner, B*; Li, L*; Giblin, S P; Janssen, T J B M; Pepper, M*; Anderson, D*; Jones, G*; Ritchie, D A* (2008) Electron pumping through quantum dots defined in parallel etched quantum wires. Microelectron. J., 39 (3-4). pp. 365-368.

Wright, S J*; Blumenthal, M D; Gumbs, G*; Thorn, A L*; Pepper, M*; Janssen, T J B M; Holmes, S N*; Anderson, D*; Jones, G A C*; Nicoll, C A*; Ritchie, D A* (2008) Enhanced current quantization in high frequency electron pumps in a perpendicular magnetic field. Phys. Rev. B, 78 (23). 233311

Li, L*; Kaestner, B*; Blumenthal, M D*; Giblin, S P; Janssen, T J B M; Pepper, M*; Anderson, D*; Jones, G*; Ritchie, D A*; Gao, J* (2008) Single electron pumping at higher frequency in a novel semiconductor-based quantum dot device. Acta Phys. Sin., 57 (3). pp. 1878-1885.

Kaestner, B*; Kashcheyevs, V*; Amakawa, S*; Blumenthal, M D*; Li, L*; Janssen, T J B M; Hein, G*; Pierz, K*; Weimann, T*; Siegner, U*; Schumacher, H W* (2008) Single-parameter nonadiabatic quantized charge pumping. Phys. Rev. B, 77. 153301

Blumenthal, M D; Kaestner, B*; Li, L*; Giblin, S; Janssen, T J B M; Pepper, M*; Anderson, D*; Jones, G*; Ritchie, D A* (2007) Gigahertz quantized charge pumping. Nature Physics, 3 (5). pp. 343-347.

Ebbecke, J; Fletcher, N E; Janssen, T J B M; Ahlers, F J*; Pepper, M*; Beere, H E*; Ritchie, D A* (2004) Quantized charge pumping through a quantum dot by surface acoustic waves. Appl. Phys. Lett., 84 (21). pp. 4319-4321.

Fletcher, N E; Ebbecke, J; Janssen, T J B M (2003) Quantized acoustoelectric current transport through a static quantum dot using a surface acoustic wave. Phys. Rev. B Condens. Matter, 68 (24). 245310

Ebbecke, J*; Fletcher, N E; Ahlers, F J*; Hartland, A; Janssen, T J B M (2003) Study of the limitations of the quantized acoustic current technique at PTB and NPL. IEEE Trans. Instrum. Meas., 52 (2). pp. 594-8.

Kleinschmidt, P; Williams, J M; Fletcher, N E; Janssen, T J B M (2002) Cryogenic current comparator bridge for quantum Hall resistance ratio measurements. IEE Proc. Sci. Meas. Technol., 149 (6). pp. 302-304.

Kleinschmidt, P; Patel, P; Williams, J M; Janssen, T J B M (2002) Investigation of binary Josephson Arrays for arbitary waveform synthesis. IEE Proc. Sci. Meas. Technol., 149 (6). pp. 313-316.

Fletcher, N E; Janssen, T J B M; Hartland, A (2002) Temperature as a limitation to the accuracy of SETSAW devices as quantum standards of current. IEE Proc. Sci. Meas. Technol., 149 (6). pp. 299-301.

Janssen, T J B M; Hartland, A (2001) Recent measurements of single electron transport in surface acoustic wave devices at the NPL. IEEE Trans. Instrum. Meas., 50 (2). pp. 227-230.

Conference or Workshop Item

He, H*; Janssen, T J B M; Rozhko, S; Tzalenchuk, A; lara-Avila, S*; Yakimova, R*; Kubatkin, S* (2016) Fabrication of graphene quantum Hall resistance standard in cryogen-table-top system. In: 2016 Conference on Precision Electromagnetic Measurements (CPEM), 10-15 July 2016, Ottawa, Canada.

Giblin, S P; Yamahata, G*; Williams, J M; Rozhko, S; Janssen, T J B M; Fujiwara, A*; Kataoka, M (2016) Scaling the current from a GHz electron pump using CCC. In: 2016 Conference on Precision Electromagnetic Measurements (CPEM), 10-15 July 2016, Ottawa, Canada.

Janssen, T J B M; Rozhko, S; Williams, J M; Ireland, J; Giblin, S P; He, H*; Lara-Avila, S*; Kubatkin, S*; Yakimova, R*; Tzalenchuk, A (2016) Towards a cryogen-free table-top primary resistance standard. In: 2016 Conference on Precision Electromagnetic Measurements (CPEM), 10-15 July 2016, Ottawa, Canada.

Giblin, S P; Bae, M-H*; Yamahata, G*; See, P; Fletcher, J D; Janssen, T J B M; Kim, N*; Fujiwara, A*; Griffiths, J P*; Jones, G A C*; Ferrer, I*; Ritchie, D A*; Drung, D*; Krause, C*; Stein, F*; Kataoka, M (2016) Universality of the tunable-barrier electron pump at the part-per-million level. In: 2016 Conference on Precision Electromagnetic Measurements (CPEM), 10-15 July 2016, Ottawa, Canada.

Janssen, T J B M; Rozhko, S*; Tzalenchuk, A; Alexander-Webber, J A*; Nicholas, R J* (2014) Breakdown of the quantum Hall effect in epitaxial graphene. In: 29th Conference on Precision Electromagnetic Measurements (CPEM 2014), 24-29 August 2014, Rio de Janeiro, Brazil.

Janssen, T J B M; Giusca, C E; Gallop, J C; Hao, L; Kazakova, O; Panchal, V; Pearce, R; Tzalenchuk, A (2014) Graphene metrology. In: 29th Conference on Precision Electromagnetic Measurements (CPEM 2014), 24-29 August 2014, Rio de Janeiro, Brazil.

Giblin, S P; Janssen, T J B M; Fletcher, J D; See, P; Kataoka, M (2014) Sub-ppm measurements of single-electron pump currents. In: 29th Conference on Precision Electromagnetic Measurements (CPEM 2014), 24-29 August 2014, Rio de Janeiro, Brazil.

Hao, L; Cox, D; Lees, K; Gallop, J C; See, P; Clarke, R N; Janssen, T J B M; Zhang, R F*; Wei, F* (2012) Fabrication and characterization of carbon nanotubes as r.f interconnects. In: 2012 IEEE 12th International Conference on Nanotechnology (IEEE-NANO), 20-23 August 2012, Birmingham, UK.

Janssen, T J B M; Tzalenchuk, A; Baker, A M R*; Alexander-Webber, J A*; Nicholas, R J*; Yakimova, R*; Lara-Avila, S*; Kubatkin, S*; Kopylov, S*; Fal'ko, V I* (2012) Breakdown of the quantum HALL effect in graphene. In: 2012 Conference on Precision Electromagnetic Measurements (CPEM 2012), 1-6 July 2012, Washington DC, USA.

Giblin, S P; Kataoka, M; Fletcher, J D; See, P; Janssen, T J B M; Williams, J M; Griffiths, J P*; Jones, G A C*; Farrer, I*; Ritchie, D A* (2012) Part-per-million current accuracy in the tunable-barrier electron pump. In: 2012 Conference on Precision Electromagnetic Measurements (CPEM 2012), 1-6 July 2012, Washington DC, USA.

Rietveld, G*; Williams, J M; Houtzager, E*; Janssen, T J B M (2006) Automated CCC bridge for precision resisance measurements. In: CPEM 2006 Conference on Precision Electromagnetic Measurements, 9-14 July 2006, Torino, Italy.

Rietveld, G*; Williams, J M; Houtzager, E*; Janssen, T J B M (2006) Automated CCC bridge for precision resisance measurements. In: CPEM 2006 Conference on Precision Electromagnetic Measurements, 9-14 July 2006, Torino, Italy.

Giblin, S P; Janssen, T J B M; Nash, G R*; Buckle, P D*; Buckle, L*; Emeny, M T* (2006) Indium antimonide quantum Hall effect. In: CPEM 2006 Conference on Precision Electromagnetic Measurements, 9-14 July 2006, Torino, Italy.

Giblin, S P; Janssen, T J B M; Nash, G R*; Buckle, P D*; Buckle, L*; Emeny, M T* (2006) Indium antimonide quantum Hall effect. In: CPEM 2006 Conference on Precision Electromagnetic Measurements, 9-14 July 2006, Torino, Italy.

Ebbecke, J*; Fletcher, N E; Ahlers, F J*; Hartland, A; Janssen, T J B M (2002) Study of the limitations of quantized acoustic current devices at PTB and NPL. In: 2002 Conference on Precision Electromagnetic Measurements (CPEM), 16-21 June 2002, Ottawa, Canada.

Kleinschmidt, P; Patel, P; Williams, J M; Janssen, T J B M; Behr, R*; Kohlmann, J*; Niemeyer, J*; Hassel, J*; Seppa, H* (2001) Arbitary waveform synthesis using binary Josephson arrays. In: BEMC 2001- 10th British Electromagnetic Measurement Conference, 6-8 November 2001, Harrogate, UK.

Janssen, T J B M; Williams, J M (2001) Controlling the laboratory using LabVIEW™. In: BEMC 2001- 10th British Electromagnetic Measurement Conference, 6-8 November 2001, Harrogate, UK.

Fletcher, N E; Janssen, T J B M; Hartland, A (2001) Temperature as a limitation to the accuracy of SETSAW devices as quantum standards of current. In: BEMC 2001- 10th British Electromagnetic Measurement Conference, 6-8 November 2001, Harrogate, UK.

Fletcher, N E; Janssen, T J B M; Williams, J M (2001) A cryogenic current comparator based resistance bridge for the range 10 k to 1 G . In: BEMC 2001- 10th British Electromagnetic Measurement Conference, 6-8 November 2001, Harrogate, UK.

Kleinschmidt, P; Williams, J M; Fletcher, N E; Janssen, T J B M (2001) A cryogenic current comparator for quantum Hall resistance ration measurements. In: BEMC 2001- 10th British Electromagnetic Measurement Conference, 6-8 November 2001, Harrogate, UK.

Patel, P; Williams, J M; Janssen, T J B M (2001) A programmable bias source for binary Josephson junction arrays. In: BEMC 2001- 10th British Electromagnetic Measurement Conference, 6-8 November 2001, Harrogate, UK.

Janssen, T J B M; Hartland, A (2000) Recent measurements of single electron transport in surface acoustic wave devices at the NPL. In: Conference on Precision Electromagnetic Measurements (CPEM) 2000, May 2000, Sydney, Australia.

Fletcher, N E; Williams, J M; Janssen, T J B M (2000) A cryogenic current comparator resistance ratio bridge for the range 10k Ohms to 1G ohms. In: Conference on Precision Electromagnetic Measurements (CPEM) 2000, May 2000, Sydney, Australia.

Janssen, T J B M; Hartland, A (1999) Single electron transport in a one-dimensional channel. In: BEMC 99 - 9th International Conference on Electromagnetic Measurement, 2-4 November 1999, Brighton, UK.