Atom probe tomography
Atom probe tomography (APT) provides three-dimensional compositional mapping with sub-
nanometre resolution. The sensitivity of APT is in the range of parts per million for all …
nanometre resolution. The sensitivity of APT is in the range of parts per million for all …
Electrical contacts to one-and two-dimensional nanomaterials
Existing models of electrical contacts are often inapplicable at the nanoscale because there
are significant differences between nanostructures and bulk materials arising from unique …
are significant differences between nanostructures and bulk materials arising from unique …
Direct measurement of dopant distribution in an individual vapour–liquid–solid nanowire
DE Perea, ER Hemesath, EJ Schwalbach… - Nature …, 2009 - nature.com
Semiconductor nanowires show promise for many device applications,,, but controlled
doping with electronic and magnetic impurities remains an important challenge …
doping with electronic and magnetic impurities remains an important challenge …
Three-dimensional nanoscale characterisation of materials by atom probe tomography
The development of three-dimensional (3-D), characterisation techniques with high spatial
and mass resolution is crucial for understanding and developing advanced materials for …
and mass resolution is crucial for understanding and developing advanced materials for …
Alternative catalysts for VSS growth of silicon and germanium nanowires
JL Lensch-Falk, ER Hemesath, DE Perea… - Journal of Materials …, 2009 - pubs.rsc.org
Metal impurities have been used to mediate the growth of anisotropic crystalline
semiconductor nanowires for a variety of applications. A majority of efforts have employed …
semiconductor nanowires for a variety of applications. A majority of efforts have employed …
Modern focused-ion-beam-based site-specific specimen preparation for atom probe tomography
TJ Prosa, DJ Larson - Microscopy and Microanalysis, 2017 - academic.oup.com
Approximately 30 years after the first use of focused ion beam (FIB) instruments to prepare
atom probe tomography specimens, this technique has grown to be used by hundreds of …
atom probe tomography specimens, this technique has grown to be used by hundreds of …
Relative influence of surface states and bulk impurities on the electrical properties of Ge nanowires
We quantitatively examine the relative influence of bulk impurities and surface states on the
electrical properties of Ge nanowires with and without phosphorus (P) doping. The …
electrical properties of Ge nanowires with and without phosphorus (P) doping. The …
Nanomechanical detection of nuclear magnetic resonance using a silicon nanowire oscillator
The authors report the use of a radio frequency (rf) silicon nanowire mechanical oscillator as
a low-temperature nuclear magnetic resonance force sensor to detect the statistical …
a low-temperature nuclear magnetic resonance force sensor to detect the statistical …
Nonuniform nanowire doping profiles revealed by quantitative scanning photocurrent microscopy
JE Allen, DE Perea, ER Hemesath… - Advanced …, 2009 - scholars.northwestern.edu
The quantitative scanning photocurrent microscopy have revealed the nonuniform nanowire
doping profiles by using Kelvin probe force microscopy (KPFM) as a technique to determine …
doping profiles by using Kelvin probe force microscopy (KPFM) as a technique to determine …
Diameter-Dependent Electronic Transport Properties<? format?> of Au-Catalyst/Ge-Nanowire Schottky Diodes
We present electronic transport measurements in individual Au-catalyst/Ge-nanowire
interfaces demonstrating the presence of a Schottky barrier. Surprisingly, the small-bias …
interfaces demonstrating the presence of a Schottky barrier. Surprisingly, the small-bias …