Validation of a quantized-current source with 0.2 ppm uncertainty von Stein, Friederike, Drung, Dietmar, Fricke, Lukas, Scherer, Hansjörg, Hohls, Frank, Leicht, Christoph, Götz, Martin, Krause, Christian, Behr, Ralf, Pesel, Eckart, Pierz, Klaus, Siegner, Uwe, Ahlers, Franz J., Schumacher, Hans W.

Volltext

Epitaxial graphene on SiC: modification of structural and electron transport properties by substrate pretreatment von Kruskopf, Mattias, Pierz, Klaus, Wundrack, Stefan, Stosch, Rainer, Dziomba, Thorsten, Kalmbach, Cay-Christian, Müller, André, Baringhaus, Jens, Tegenkamp, Christoph, Ahlers, Franz J, Schumacher, Hans W

Volltext

Functional Single-Layer Graphene Sheets from Aromatic Monolayers von Matei, Dan G., Weber, Nils-Eike, Kurasch, Simon, Wundrack, Stefan, Woszczyna, Mirosław, Grothe, Miriam, Weimann, Thomas, Ahlers, Franz, Stosch, Rainer, Kaiser, Ute, Turchanin, Andrey

Volltext

Noise and Correlation Study of Quantum Hall Devices von Schurr, J., Ahlers, F., Callegaro, L.

Volltext

Settling Behavior of the Bridge Voltage in Resistance Ratio Measurements With Cryogenic Current Comparators von Gotz, Martin, Drung, Dietmar, Pesel, Eckart, Ahlers, Franz-Josef

Volltext

Versatile sputtering technology for Al2O3 gate insulators on graphene von Friedemann, Miriam, Woszczyna, Mirosław, Müller, André, Wundrack, Stefan, Dziomba, Thorsten, Weimann, Thomas, Ahlers, Franz J

Volltext

Quantum Hall Resistance Standards With Good Quantization at High Electron Mobilities von Pierz, K, Gotz, M, Pesel, E, Ahlers, F-J, Schumacher, H W

Volltext

Direct comparison of fractional and integer quantized Hall resistance von Ahlers, Franz J, Götz, Martin, Pierz, Klaus

Volltext

AC Quantum Hall Effect in Epitaxial Graphene von Luond, Felix, Kalmbach, Cay-Christian, Overney, Frederic, Schurr, Jurgen, Jeanneret, Blaise, Muller, Andre, Kruskopf, Mattias, Pierz, Klaus, Ahlers, Franz

Volltext

AFM diagnostics of graphene-based quantum Hall devices von Sikora, Andrzej, Woszczyna, Mirosław, Friedemann, Miriam, Ahlers, Franz Josef, Kalbac, Martin

Volltext

Electron Counting Capacitance Standard with an improved five-junction R-pump von Camarota, Benedetta, Scherer, Hansjörg, Keller, Mark W, Lotkhov, Sergey V, Willenberg, Gerd-Dietmar, Ahlers, Franz Josef

Volltext

Progress in SWNT based, SAW driven charge pumps von Siegle, Viktor, Ahlers, Franz Josef, Roth, Siegmar

Volltext

Investigation of on-chip double-shieled QHR device in ac regime von Kaneko, N., Schurr, J., Ahlers, F. J., Domae, A., Oe, T., Kiryu, S.

Volltext

Precision measurements of the quantum Hall effect in exfoliated graphene von Woszczyna, M., Friedemann, M., Gotz, M., Pesel, E., Pierz, K., Weimann, T., Ahlers, F.

Volltext

Study of the limitations of the quantized acoustic current technique at PTB and NPL von Ebbecke, J., Fletcher, N.E., Ahlers, F.-J., Hartland, A., Janssen, T.J.B.M.

Volltext

Surface acoustic wave driven quantized current transport von Ahlers, F.J., Fletcher, N.E., Ebbecke, J., Janssen, T.J.B.M.

Volltext

The width of AC quantum Hall plateaus von Schurr, J., Melcher, J., Pierz, K., Hein, G., Ahlers, F.-J.

Volltext

Loss phenomena in the AC quantum Hall effect von Schurr, J., Melcher, J., von Campenhausen, A., Pierz, K., Hein, G., Ahlers, F.-J.

Volltext

Homogeneous Large-area Quasi-freestanding Monolayer and Bilayer Graphene on SiC von Davood Momeni Pakdehi, Pierz, Klaus, Wundrack, Stefan, Aprojanz, Johannes, Thi Thuy Nhung Nguyen, Dziomba, Thorsten, Hohls, Frank, Bakin, Andrey, Stosch, Rainer, Tegenkamp, Christoph, Ahlers, Franz J, Schumacher, Hans W

Volltext

Zero-field quantum anomalous Hall metrology as a step towards a universal quantum standard unit system von Goetz, Martin, Fijalkowski, Kajetan M, Pesel, Eckart, Hartl, Matthias, Schreyeck, Steffen, Winnerlein, Martin, Grauer, Stefan, Scherer, Hansjoerg, Brunner, Karl, Gould, Charles, Ahlers, Franz J, Molenkamp, Laurens W

Volltext