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Strain Enhanced Functionality in a Bottom-Up Approach Enabled 3D Super-Nanocomposites

Journal Article · · Advanced Functional Materials
 [1];  [2];  [3];  [1];  [4];  [4];  [1];  [5];  [4];  [6];  [7]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Univ. of Texas, San Antonio, TX (United States)
  3. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
  4. Purdue Univ., West Lafayette, IN (United States)
  5. Univ. of Texas, San Antonio, TX (United States)
  6. Univ. of Cambridge (United Kingdom)
  7. Univ. at Buffalo, NY (United States); Konkuk Univ., Seoul (South Korea)

The ability to control nanoparticle size, concentration, and distribution in epitaxial nanocomposite films has been a formidable challenge in the synthesis of nanostructured composite materials. In this paper, a novel 3D super-nanocomposite (3D-sNC) architecture is successfully demonstrated by integrating superlattice and vertically aligned nanocomposite structures. In the 3D-sNC architecture, the feature size and distribution of the nanocylinders such as the height/lateral dimension and the vertical/lateral spacing of nanocylinders can be precisely controlled. The microstructure parameters such as nanocylinder height and spacing modulated interfacial area control the lattice strain, which further tunes the magnetotransport property. These results demonstrate that 3D-sNC is a simple and yet effective architecture to achieve controlled functionalities via the precise control of nanocylinder size, spacing, concentration, and distribution. Lastly, such a 3D-sNC structure can be used to design advanced nanostructures with desired physical properties for a variety of material systems.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA); Laboratory Directed Research and Development (LDRD)
Grant/Contract Number:
89233218CNA000001; NA0003525
OSTI ID:
1557779
Alternate ID(s):
OSTI ID: 1504785
OSTI ID: 1635514
Report Number(s):
LA-UR--18-29032
Journal Information:
Advanced Functional Materials, Journal Name: Advanced Functional Materials Journal Issue: 26 Vol. 29; ISSN 1616-301X
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English

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