What's New: Past Month

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  1. Birck Nanomaterials Characterization Workshop

    11 Nov 2018 | Workshops | Contributor(s):: Neil R Dilley

    The aim of the workshop is to review the measurement techniques for both newcomers and existing users, see the instruments in action, and discuss cutting edge developments in both instrumentation and research.

  2. Surface Characterization at Nanoscale by means of AFM L1.3: Non-Resonant Oscillatory HybriD Mode

    11 Nov 2018 | Online Presentations | Contributor(s):: Stanislav Leesment

    NT-MDT focuses on atomic force microscopes (AFM) and its combinations with ultrahigh resolution spectroscopy for nanotechnology and its applications. This is Part 3.

  3. Surface Characterization at Nanoscale by means of AFM L1.2: Resonance Oscillatory Modes

    11 Nov 2018 | Online Presentations | Contributor(s):: Stanislav Leesment

    NT-MDT focuses on atomic force microscopes (AFM) and its combinations with ultrahigh resolution spectroscopy for nanotechnology and its applications. This is Part 2.

  4. Surface Characterization at Nanoscale by means of AFM L1.1: Introduction and “Getting in Contact”

    11 Nov 2018 | Online Presentations | Contributor(s):: Stanislav Leesment

    NT-MDT focuses on atomic force microscopes (AFM) and its combinations with ultrahigh resolution spectroscopy for nanotechnology and its applications. This is Part 1.

  5. Electron-beam Lithography at Birck Nanotechnology Center

    09 Nov 2018 | Online Presentations

    In this talk, I will focus on doses for different EBL resists, stitching errors and alignment considerations. I will also highlight some common user mistakes and what can be done to prevent them.

  6. Microfabrication, Characterization and Sensor Development in the Industrial Space

    07 Nov 2018 | Online Presentations | Contributor(s):: Nithin Raghunathan

    The Birck Nanotechnology center offers a variety of capabilities especially in general microfabrication, electrical and physical characterization. With regards to microfabrication, the center features a variety of toolsets to enable fabrication of most devices from scratch to finish. These...

  7. Topological Superconductivity and Majorana Bound State in Fe-based Superconductors

    12 Nov 2018 | Online Presentations | Contributor(s):: Hong Ding

    In this talk I will report our recent discoveries of topological superconductivity and Majorana bound state in Fe-based superconductor Fe(Te, Se). We have obtained convincing ARPES evidence of superconducting topological surface state of Fe(Te, Se) single crystal with Tc ~ 14.5K. By using...

  8. Spatially Resolved Electrochemical Imaging on Energy Materials

    12 Nov 2018 | Online Presentations | Contributor(s):: Akichika Kumatani

    In this talk, we will show recent progress of nanoscale electrochemical imaging on energy materials from battery electrodes to two-dimensional materials by SECCM.

  9. Progress in Vacuum Pressure Measurement

    07 Nov 2018 | Online Presentations | Contributor(s):: Martin Wuest

    For many years standard vacuum pressure measurement sensors consist of capacitance diaphragm gauges, Pirani heat transfer gauges as well as ionization gauges. Development has progressed from passive gauges with a detached controller to combination gauges with integrated electronics. Market...

  10. Flexoelectricity and Electrets

    08 Nov 2018 | Online Presentations | Contributor(s):: Pradeep Sharma

    In this presentation, I will highlight a relatively understudied electromechanical coupling called flexoelectricity that appears to have implications in topics ranging from biophysics to the design of next-generation soft multifunctional materials. Specifically, I will argue, through...

  11. Quantum Hall Transitions: Exact Results, Conjectures, and Numerical Tests

    07 Nov 2018 | Online Presentations | Contributor(s):: Ilya Gruzberg

    In this talk I will review a number of recent results, analytical as well as numerical, on critical behavior near the integer quantum Hall transition and its cousins in other symmetry classes. The results include exact properties of the multifractal spectrum of critical wave functions obtained...

  12. 3D Cell Culture Core (3D3C) Facility: A Breadth of Services in Biological and Engineering Research

    31 Oct 2018 | Online Presentations | Contributor(s):: Tim Kwok

    Here we present the ‘big tumor’ project led by 3D3C and done in collaboration with engineers and pathologists. Producing tumors with minimum sizes detected in vivo (at least 0.5 cm in diameter) will allow researchers to better understand tumor biology and improve drug delivery and the...

  13. Chemical and Electronic Properties of Solid Surfaces

    01 Nov 2018 | Online Presentations | Contributor(s):: Dmitry Zemlyanov

    Material characterization is an important aspect for various applications. In particularly, for 2D materials and nano‐materials, the surface characterization becomes crucial for smart material design, functionalization, fabrication, etc. Surface Analysis Facility at Birck Nanotechnology Center,...

  14. Emerging Materials for Nanophotonics and Plasmonics: Roads Ahead

    01 Nov 2018 | Online Presentations | Contributor(s):: Alexandra Boltasseva

    In this presentation, I will discuss emerging material platforms including transparent conducting oxides, transition metal nitrides, oxides and carbides as well as two- and quasi-two-dimensional materials for future practical optical components across the fields of on-chip optics and...

  15. Directional Scattering of Light by Silicon Nanoparticles and Nanostructures due to High-Order Multipoles Contribution

    31 Oct 2018 | Online Presentations | Contributor(s):: Pavel Terekov

    Here we consider both the scattering properties of single dielectric nanoparticles and optical characteristics of 2D periodic arrays. We use the method of the multipole decomposition of electromagnetic fields scattered by dielectric nanostructures to investigate their electromagnetic...

  16. From Microchannels to Micropower: Modeling Sustainable Energy Systems

    01 Nov 2018 | Online Presentations | Contributor(s):: Laura Schaefer

    This presentation will highlight the recent work of Dr. Schaefer’s lab on a number of energy systems, which are unified through the application of rigorous thermofluid modeling, both on the small scale and at the systems level. An overview will be presented of the lattice Boltzmann method...

  17. DFT Studies of Spin Orbit Coupling in Spintronics Materials

    29 Oct 2018 | Online Presentations | Contributor(s):: Ruqian Wu

    In this talk, I will discuss   how to effectively imprint the exchange and spin orbit coupling (SOC) of adatoms and newly discovered van der Waals (vdW) two-dimensional (2D) magnetic materials into graphene and topological materials to realize the quantum spin Hall effect or the...

  18. Indirect Dissociative Recombination of Light Ions

    29 Oct 2018 | Online Presentations | Contributor(s):: Roman Čurík

    Dissociative recombination (DR) is a process is which a free electron with a positive kinetic energy is captured by a molecular ion while breaking one or several chemical bonds,e− + AB+ → A + B .This is a very efficient chemical process, but is rarely described in chemical textbooks....

  19. Magnetic Tunnel Junction (MTJ) as Stochastic Neurons and Synapses: Stochastic Binary Neural Networks, Bayesian Inferencing, Optimization Problems

    26 Oct 2018 | Online Presentations | Contributor(s):: Kaushik Roy

    In this presentation, we provide a multi-disciplinary perspective across the stack of devices, circuits, and algorithms to illustrate how the stochastic switching dynamics of spintronic devices in the presence of thermal noise can provide a direct mapping to the units of such computing paradigms,...

  20. Optics and Spectroscopy Lab / Optics Recharge Center

    24 Oct 2018 | Online Presentations | Contributor(s):: Alexei Lagutchev

    Presented are the recent developments in device park and new capabilities, in particular ellipsometry measurements at temperatures up to 1000 deg. C, new powerful kilohertz femtosecond laser system, fluorescence lifetime measurement system/AFM setup, lamellar NIR‐MidIR Fourier spectrometer, IR...