203 citations · 804 across the 20 of their papers we have counts for
21 papers
Feasibility study of continuous electronic Pomeranchuk cooling with a flavor-degenerate Wigner crystal
Robin J. Dolleman, Ammon Fischer, Lennart Klebl +5
Achieving sub-millikelvin electron temperatures in nanoelectronic devices could unveil new transport phenomena, extend quantum coherence times, and enhance the precision of quantum…
Gate-tunable Josephson diodes in magic-angle twisted bilayer graphene
A. Rothstein, R. J. Dolleman, L. Klebl +8
We report low-temperature measurements of two adjacent, gate-defined Josephson junctions (JJs) in magic-angle twisted bilayer graphene (MATBG) at a moiré filling factor near $ν= -2…
Gate-defined single-electron transistors in twisted bilayer graphene
Alexander Rothstein, Ammon Fischer, Anthony Achtermann +12
Twisted bilayer graphene (tBLG) near the magic angle is a unique platform where the combination of topology and strong correlations gives rise to exotic electronic phases. These ph…
Negative electronic compressibility in charge islands in twisted bilayer graphene
Robin J. Dolleman, Alexander Rothstein, Ammon Fischer +8
We report on the observation of negative electronic compressibility in twisted bilayer graphene for Fermi energies close to insulating states. To observe this negative compressibil…
Band gap formation in commensurate twisted bilayer graphene/hBN moiré lattices
Alexander Rothstein, Christoph Schattauer, Robin J. Dolleman +8
We report on the investigation of periodic superstructures in twisted bilayer graphene (tBLG) van-der-Waals heterostructures, where one of the graphene layers is aligned to hexagon…
Squeeze-film effect on atomically thin resonators in the high-pressure limit
Robin J. Dolleman, Debadi Chakraborty, Daniel R. Ladiges +3
The resonance frequency of membranes depends on the gas pressure due to the squeeze-film effect, induced by the compression of a thin gas film that is trapped underneath the resona…
Dynamics of 2D Material Membranes
Peter G. Steeneken, Robin J. Dolleman, Dejan Davidovikj +2
The dynamics of suspended two-dimensional (2D) materials has received increasing attention during the last decade, yielding new techniques to study and interpret the physics that g…
Raman imaging of twist angle variations in twisted bilayer graphene at intermediate angles
A. Schäpers, J. Sonntag, L. Valerius +9
Van der Waals layered materials with well-defined twist angles between the crystal lattices of individual layers have attracted increasing attention due to the emergence of unexpec…
Semi-permeability of graphene nanodrums in sucrose solution
Robin J. Dolleman, Allard J. Katan, Herre S. J. van der Zant +1
Semi-permeable membranes are important elements in water purification and energy generation applications, for which the atomic thickness and strength of graphene can enhance effici…
Nanoelectromechanical Sensors based on Suspended 2D Materials
Max C. Lemme, Stefan Wagner, Kangho Lee +9
The unique properties and atomic thickness of two-dimensional (2D) materials enable smaller and better nanoelectromechanical sensors with novel functionalities. During the last dec…
Graphene Effusion-based Gas Sensor
Irek E. Rosłoń, Robin J. Dolleman, Hugo Licona +8
Porous, atomically thin graphene membranes have interesting properties for filtration and sieving applications because they can accommodate small pore sizes, while maintaining high…
Phonon Scattering at Kinks in Suspended Graphene
Robin J. Dolleman, Yaroslav M. Blanter, Herre S. J. van der Zant +2
Recent experiments have shown surprisingly large thermal time constants in suspended graphene ranging from 10 to 100 ns in drums with a diameter ranging from 2 to 7 microns. The la…
Nonequilibrium Thermodynamics of Acoustic Phonons in Suspended Graphene
Robin J. Dolleman, Gerard J. Verbiest, Yaroslav M. Blanter +2
Recent theory has predicted large temperature differences between the in-plane (LA and TA) and out-of-plane (ZA) acoustic phonon baths in locally-heated suspended graphene. To veri…
Mass measurement of graphene using quartz crystal microbalances
Robin J. Dolleman, Mick Hsu, Sten Vollebregt +4
Current wafer-scale fabrication methods for graphene-based electronics and sensors involve the transfer of single-layer graphene by a support polymer. This often leaves some polyme…
High-frequency stochastic switching of graphene resonators near room temperature
Robin J. Dolleman, Pierpaolo Belardinelli, Samer Houri +3
Stochastic switching between the two bistable states of a strongly driven mechanical resonator enables detection of weak signals based on probability distributions, in a manner tha…
Transient thermal characterization of suspended monolayer MoS
Robin J. Dolleman, David Lloyd, J. Scott Bunch +2
We measure the thermal time constants of suspended single layer molybdenum disulfide drums by their thermomechanical response to a high-frequency modulated laser. From this measure…
Graphene multi-mode parametric oscillators
Robin J. Dolleman, Samer Houri, Abhilash Chandrashekar +3
In the field of nanomechanics, parametric excitations are of interest since they can greatly enhance sensing capabilities and eliminate cross-talk. However, parametric excitations…
Amplitude calibration of 2D mechanical resonators by nonlinear optical transduction
Robin J. Dolleman, Dejan Davidovikj, Herre S. J. van der Zant +1
Contactless characterization of mechanical resonances using Fabry-Perot interferometry is a powerful tool to study the mechanical and dynamical properties of atomically thin membra…
Optomechanics for thermal characterization of suspended graphene
Robin J. Dolleman, Samer Houri, Dejan Davidovikj +4
Thermal properties of suspended single-layer graphene membranes are investigated by characterization of their mechanical motion in response to a high-frequency modulated laser. A c…
Graphene Gas Osmometers
Robin J. Dolleman, Santiago J. Cartamil-Bueno, Herre S. J. van der Zant +1
Here it is shown that graphene membranes that separate 2 gases at identical pressure are deflected by osmotic pressure. The osmotic pressure is a consequence of differences in gas…
Graphene Squeeze-Film Pressure Sensors
Robin J. Dolleman, Dejan Davidovikj, Santiago J. Cartamil-Bueno +2
The operating principle of squeeze-film pressure sensors is based on the pressure dependence of a membrane's resonance frequency, caused by the compression of the surrounding gas w…