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Showing 41-50 of 144

Gigahertz dielectric polarization of substitutional single niobium atoms in defective graphitic layers

Publication

Physical Review Letters

Zhang, X.; Guo, J.; Guan, P.; Qin, G.; Pennycook, S. J.

We synthesize two Nb/C composites with an order of magnitude difference in the density of single niobium atoms substituted into defective graphitic layers.
STEM alignment for EELS analysis

Media Video

Electron energy loss spectroscopy (EELS) tutorial for STEM alignment.
Fast simultaneous acquisition of low- and core-loss regions in the EELS spectrum from catalyst particles containing the heavy metals Au and Pd using the GIF Quantum system

Methods

Metals such Pd and Pt have been extensively used in the automotive industry as exhaust gas catalyst for pollution control. . . .
EELS: A tool for investigating biological materials

Methods

Electron energy loss spectroscopy (EELS) is the analysis of the energy distribution of the electrons that have passed through a thin sample and have interacted with it inelastically. . . .
Prepare a gain reference

Methods

Step by step instructions on how to prepare a gain reference.
Atomic elemental and chemical analysis of SrTiO3/LaMnO3 multilayers using fast simultaneous EELS and EDS analysis in DigitalMicrograph

Publication

Microscopy Today

Longo, P.; Thomas, P. J.; Aitouchen, A.; Rice, P.; Topuria, T.; Twesten, R. D.

In an age of atomic-scale control of materials and interfaces, the need for high spatial resolution characterization and local bonding is accelerating.
Enhanced photocatalytic activity and charge carrier dynamics of hetero-structured organic−inorganic nano-photocatalysts

Publication

ACS Applied Materials and Interfaces

Nanda, K. K.; Swain, S.; Satpati, B.; Besra, L.; Mishra, B.; Chaudhary, Y. S.

P3HT-coupled CdS heterostructured nanophotocatalysts have been synthesized by an inexpensive and scalable chemical bath deposition approach followed by drop casting.
Synergistic impact of solvent and polymer additives on the film formation of small molecule blend films for bulk heterojunction solar cells

Publication

Advanced Energy Materials

McDowell, C.; Abdelsamie, M.; Zhao, K.; Smilgies, D. -M.; Bazan, G. C.; Amassian, A.

The addition of polystyrene (PS), a typical insulator, is empirically shown to increase the power conversion efficiencies (PCEs) of a solution-deposited bulk heterojunction (BHJ) molecular blend film used in solar cell fabrication: p-DTS(FBTTh2)2/PC71BM.
Role of oxygen functional group in graphene oxide for reversible room-temperature NO2 sensing

Publication

Carbon

Choi, Y. R.; Yoon, Y. -G.; Choi, K. S.; Kang, J. H.; Shim, Y. -S.; Kim, Y. H.; Chang, H. J.; Lee, J. -H.; Park, C. R.; Kim, S. Y.; Jang, H. W.
Raman scattering and interstitial Li defects induced polarization in co-doped multiferroic Zn 0.96-y Co 0.04 Li y O (0.00≤ y≤ 0.10) nanoparticles

Publication

RSC Advances

Awan, S. U.; Hasanain, S. K.; Awan, M. S.; Shah, S. A.

Structural and Raman analysis confirmed a single phase wurtzite hexagonal crystalline structure of Li co-doped ZnO nanoparticles. In the Raman backscattering spectra, ELow2and EHigh2 modes corresponded to zinc and oxygen lattice vibrations.

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