Welcome to the Institute of Nanotechnology

Reversible transitions between six rotational states of tetraphenylmethane molecules have been induced with an STM tip.

Predictive simulation methods to complement experimental research in the identification of novel materials for organic electronics have been discussed.

Prof. Yuval Gefen from the Weizmann Institute, nominated by the INT, received a highly prestigious Helmholtz International Fellow Award.

Fluxonium qubit design based on a granular aluminium superinductor strip, with state-of-the-art coherence times, has attracted international interest.

Controlled equilibration in a line junction of two counterpropagating edge modes with different filling factors has been analyzed.

The transfer project for using Air REtaining Surfaces to lower the friction of ship hulls with the surrounding water, led by the group of Prof. Thomas Schimmel, garnered first place in the VIP+ program of the BMBF. 

The Deutsche Forschungs- gemeinschaft recognized Prof. Wernsdorfer's pioneering work on nanomagnetism and single-molecule magnets. The latter could represent the Qbits of Quantum Information devices.

Valley splitting in a bilayer graphene quantum point contact in the presence of a magnetic field has been studied.

It has been demonstrated that 3D-printed objects can be made switchable by varying temperature globally or by locally illuminating with focused light.

The German National Acedemy of Science and Engineering acatech elected Prof. Martin Wegener as a new member in recognition of his scientific achievements.

Prof. Martin Wegener succeeded with the cluster of excellence proposal for "3D Matter Made to Order". Prof. Maximilian Fichtner got the nod for "Energy Storage Beyond Lithium". We congratulate both for their resounding success.

Prof. Herbert Gleiter received the Jan Czochralski Award for his Lifetime Achievements in Material Science at the European MRS Fall Meeting 2018.

Continuously tunable Berry phase, controlling quasiparticle tunneling in a Fabry-Pérot interferometer based on bilayer graphene, has been observed.

Stabilization effect of entropy has been shown to greatly improve the lithium storage capacity retention and the cycling stability of high-entropy oxides.

Operation of an atomic-scale transistor with high thermal and mechanical stabilities within an aqueous electrolyte has been shown.

Chemoselectively cleavable photoresists for 3D laser lithography have been demonstrated, allowing for a targeted degradation of printed microstructures.

Microchannel cantilever spotting has been used for in-situ synthesis of surface-bound macromolecular microarrays.

The Karlsruhe Institute of Technology, the Ulm University and the Centre for Solar Energy and Hydrogen Research Baden-Württemberg strengthen their collaboration.

Formation of skyrmions has been demonstrated by means of spin-sensitive STM at low magnetic fields in the absence of strong spin-orbit coupling.

Conformation of a room-temperature two-state molecular switch has been probed with Raman spectroscopy.

The effect of a quantum point contact confinement and an external magnetic field on the supercurrent has been demonstrated in a bilayer graphene heterostructure.

Water-soluble Pt(II) amphiphiles decorated with tetraethylene glycol branches and sulfate groups have been synthesized and probed for their self-assembly properties.

Concepts of fractional, Dirac, Majorana, and topologically protected chiral quasiparticles, along with a new concept of critical quasiparticles, have been reviewed.

The INT, the Innovation Management at the KIT, and the company Nanoscribe are distinguished by the DPG.

Grover's quantum algorithm has been implemented using a single nuclear 3/2 spin of a Tb ion in a single molecular magnet transistor.

A surface-confined multistep reaction allows for the observation of the emergence of complexity through the formation of a defect-tolerant molecular network.

Elastic chiral mechanical metamaterials showing twists per axial strain as large as 2% have been realized. 

Strategy to reveal physical mechanisms of the morphological evolution upon shearing up to ultrahigh strains has been introduced.

Fully reversible, rapid, voltage-driven switching of ferromagnetism in an ultrathin LaSrMnO film has been demonstrated.

Conformational energy landscape of a full-length SAM-I riboswitch has been explored by means of Förster resonant energy transfer.

Large-scale tuning of the magnetic susceptibility and Curie temperature through capacitive charging has been demonstrated.

Landau-Zener dynamics of a single-ion magnet has been continuously monitored and theoretically modeled in a spin-transistor geometry.

A printed vertical FET which decouples the channel length from printing resolution has been demonstrated.

Stimulated emission double depletion has been demonstrated as a method to selectively remove artificial background intensity.

Gate-controlled supramolecular spin-valve effect has been demonstrated and explained in terms of Fano resonances in Coulomb blockade.

Fully reversible and robust magnetoelectric coupling has been realized in LaSrMnO/ionic liquid hybrid supercapacitors by exploiting surface electrostatic and electrochemical doping.

Prof. Wolfgang Wernsdorfer, research unit chair at the INT, won an ERC Advanced Grant for his research project "Molecular quantum opto-spintronics."

An electrical switch based on a tripodal platform with a cantilever arm and a nitrile group at its end has been demonstrated.

Molecular weaving has been realized via surface-templated epitaxy of crystalline coordination networks.

It has been demonstrated that the stretching of a graphene flake is a nonlinear function of tension, with the scaling of the stiffness obeying a fractal power law governed by static ripples.

Prof. Horst Hahn, Director of the INT, was elected a member of the US NAE for his contributions to the science and engineering of nanostructured materials with tailored and tunable properties.

Electrical properties of a p-type semiconductor have been experimentally mimicked by a chainmail-like metamaterial made of an n-type semiconductor.

It has been demonstrated, by atomistic simulations, that monolayer graphene exhibits higher friction, which increases with sliding, than multilayer graphene.

Optical waveguide-integrated generation and detection of nonclassical light have been demonstrated with electrically driven carbon nanotubes.

Laser-written 3D gold-containing microstructures have been fabricated by simultaneous photopolymerization and photoreduction.

An electrically controlled switch which operates by means of relocation of an individual atom in a plasmonic cavity has been demonstrated.

Prof. Martin Wegener, research unit chair at the INT, receives, together with Profs. M. Bastmeyer and Ch. Barner-Kowollik, Erwin Schrödinger Prize for cell cultivation in a 3D-laserprinted ultrasmall "Petri dish."

Spin-dependent thermoelectric currents have been observed in superconductor-ferromagnet tunnel junctions in high magnetic fields, probing the coupling of spin and heat transport in superconductors.

Phospholipid membranes of different functionalities have been simultaneously assembled on arrays of graphene surfaces using multi-pen lipid dip-pen nanolithography.

A mechanism has been proposed for the existence of stable amorphous grains and interfacial regions the atomic structure and  internal energy of which differ from those of the melt-quenched glass.

The Einstein–de Haas effect at the quantum level has been demonstrated using a single-molecule magnet attached to a carbon nanotube mechanical nanoresonator.

Nitrogen-rich carbon made by hard templating and atomic-layer deposition has been demonstrated to be a versatile host material for long-life high-performance lithium-based batteries.

Electrically driven nanotubes can be forced to emit light with a specific color by integration into a photonic crystal waveguide.

M. Fichtner (Energy Storage Group) and C. Punckt (NanoMat) won a grant, focused on developing a new class of powerful materials for electrochemical energy storage, within the FET Open Call "Novel ideas for radically new technologies."
 

Solution-processed high-performance MOSFETs and CMOS inverters have been obtained entirely at room temperature without an additional curing step.

Best performing short-channel transistors have been built by using highly enriched semiconducting single-wall CNs prepared by combining polymer-wrapping with size-exclusion chromatography.

Prof. Peter Gumbsch, research unit chair at the INT, was elected a member of the US NAE for his multiscale modeling research in the fields of fracture mechanics and deformation behavior of materials.

Prof. Carsten Rockstuhl, research unit chair at the INT, was recently elected as an OSA Fellow for his seminal contributions to the field of theoretical and computational nanophotonics.

Carbon nanotube / fullerene solar cells have been obtained with record high active area.

Gassing in battery pouch cells has been directly observed using neutron imaging, with special emphasis put on the high-voltage LiNi0.5Mn1.5O4/graphite system.

Prof. Herbert Gleiter, one of the founders of the INT, receives a Cothenius Medal from the Leopoldina.

An extension in magnetoelectric effects is proposed to include reversible chemistry-controlled magnetization variations.

"A diffusive ink transport model for lipid dip-pen nanolithography" by Urtizberea and Hirtz in Nanoscale 7 (2015) 15618-15634

Robust, non-volatile, all-photonic integrated memory chips based on phase-change materials are demonstrated at switching speeds approaching 1GHz.

We synthesized a giant tetrahedral heterometallic polyoxometalate (POM)-based single molecule magnet which contains the largest number of 4f ions and is the first to incorporate two different 3d–4f and 4f coordination cluster assemblies within same POM framework.

Prof. Maximilian Fichtner, leader of the research group “Energy Storage Systems,” is succeeding Prof. Horst Hahn as executive director of our partner institute, the Helmholtz-Institut Ulm.

To properly describe the properties of metals used in nanoplasmonic devices in truly nanometric systems, we develop and apply for the first time a self-consistent hydrodynamic description.