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Investigating microwave loss of SiGe using superconducting transmon qubits
Martin Sandberg, Vivekananda P. Adiga, Markus Brink +6
Silicon-Germanium (SiGe) is a material that possesses a multitude of applications ranging from transistors to eletro-optical modulators and quantum dots. The diverse properties of…
Coherent oscillations between classically separable quantum states of a superconducting loop
Vladimir E. Manucharyan, Jens Koch, Markus Brink +2
Ten years ago, coherent oscillations between two quantum states of a superconducting circuit differing by the presence or absence of a single Cooper pair on a metallic island were…
Electrical Nanoprobing of Semiconducting Carbon Nanotubes using an Atomic Force Microscope
Y. Yaish, J. -Y. Park, S. Rosenblatt +3
We use an Atomic Force Microscope (AFM) tip to locally probe the electronic properties of semiconducting carbon nanotube transistors. A gold-coated AFM tip serves as a voltage or c…
Tuning carbon nanotube bandgaps with strain
E. D. Minot, Yuval Yaish, Vera Sazonova +3
We show that the band structure of a carbon nanotube (NT) can be dramatically altered by mechanical strain. We employ an atomic force microscope tip to simultaneously vary the NT s…