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Title: Measuring Three-Dimensional Strain and Structural Defects in a Single InGaAs Nanowire Using Coherent X-ray Multiangle Bragg Projection Ptychography

Journal Article · · Nano Letters
ORCiD logo [1];  [2];  [3];  [4];  [2];  [5]; ORCiD logo [5];  [1];  [6];  [6];  [6];  [6];  [2];  [3]; ORCiD logo [1];  [2]
  1. Northwestern Univ., Evanston, IL (United States). Dept. of Materials Science and Engineering
  2. Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division
  3. Aix-Marseille Univ., and CNRS/IN2P3, Marseille (France)
  4. Argonne National Lab. (ANL), Argonne, IL (United States). Center for Nanoscale Materials
  5. Technische Univ. Munich (Germany). Walter Schottky Inst. and Physik Dept.
  6. Brookhaven National Lab. (BNL), Upton, NY (United States). National Synchrotron Light Source II (NSLS-II)

III-As nanowires are candidates for near infrared light emitters and detectors that can be directly integrated onto silicon. However, nanoscale to microscale variations in structure, composition, and strain within a given nanowire, as well as variations between nanowires, pose challenges to correlating microstructure with device performance. In this work, we utilize coherent nano-focused x-rays to characterize stacking defects and strain in a single InGaAs nanowire supported on Si. By reconstructing diffraction patterns from the 2110 Bragg peak, we show that the lattice orientation varies along the length of the wire, while the strain field along the cross-section is largely unaffected, leaving the band structure unperturbed. Diffraction patterns from the 0110 Bragg peak are reproducibly reconstructed to create three-dimensional images of stacking defects and associated lattice strains, revealing sharp planar boundaries between different crystal phases of wurtzite (WZ) structure that contribute to charge carrier scattering. Phase retrieval is made possible by developing multi-angle Bragg projection ptychography (maBPP) to accommodate coherent nanodiffraction patterns measured at arbitrary overlapping positions at multiple angles about a Bragg peak, eliminating the need for scan registration at different angles. The penetrating nature of x-ray radiation, together with the relaxed constraints of maBPP, will enable in operando imaging of nanowire devices.

Research Organization:
Argonne National Lab. (ANL), Argonne, IL (United States); Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division; European Union (EU); National Science Foundation (NSF); German Research Foundation (DFG); USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-06CH11357; SC0012704
OSTI ID:
1425485
Alternate ID(s):
OSTI ID: 1426467
Report Number(s):
BNL-203363-2018-JAAM; 138261; TRN: US1802116
Journal Information:
Nano Letters, Vol. 18, Issue 2; ISSN 1530-6984
Publisher:
American Chemical SocietyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 43 works
Citation information provided by
Web of Science

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Cited By (13)

Multimodal X-ray imaging of grain-level properties and performance in a polycrystalline solar cell text January 2019
Unravelling the strain relaxation processes in silicon nanowire arrays by X-ray diffraction journal September 2019
Combining Nanofocused X-Rays with Electrical Measurements at the NanoMAX Beamline journal August 2019
Microscopy Instrumentation and Nanopositioning at NSLS-II: Current Status and Future Directions journal September 2018
Coherent X-ray diffraction imaging meets ptychography to study core-shell-shell nanowires journal January 2018
Ptychographic characterization of a coherent nanofocused X-ray beam journal January 2020
Coherent Bragg imaging of 60 nm Au nanoparticles under electrochemical control at the NanoMAX beamline journal August 2019
X-ray ptychography on low-dimensional hard-condensed matter materials journal March 2019
High performance indium oxide nanoribbon FETs: mitigating devices signal variation from batch fabrication journal January 2019
Three-dimensional optical trapping and orientation of microparticles for coherent X-ray diffraction imaging journal February 2019
Complete structural and strain analysis of single GaAs/(In,Ga)As/GaAs core–shell–shell nanowires by means of in-plane and out-of-plane X-ray nanodiffraction journal September 2018
Multimodal X-ray imaging of grain-level properties and performance in a polycrystalline solar cell journal May 2019
X-ray microscopy journal July 1965

Figures / Tables (4)