Gallery and Movie

Team of EM station for CFN Summer Sunday, July 28, 2019 (from left: Dong Su, Sooyeon Hwang, Shuang Li and Shize Yang)

In-situ and ex-situ STEM/TEM characterization of Fe3O4 thin films on

Nb-doped SrTiO3(Angew. Chem. Int. Ed. 56, 7813 –7816,2017)

Phase Transformation during Lithiation in Copper Sulfide Nanoflakes Revealed by In-situ STEM(Nano Letters, 17,5726,2017)

The Atomic Structure of the PtPb-Pt Core-shell Nanoplate for Electrocatalyst(Science, 354,1410, 2016)

In situ BF-STEM observation of lithiation process of Fe₃O₄ Nanoparticles(published in Nature Communications, 11, 11441, 2016, link)

HAADF–STEM images and STEM-EELS mapping taken from the Ag@Au concave cuboctahedra nanoparticles

(from J. Zhang et al. ACS Nano, 10, 2607, 2016)

3D structure of threading dislocations in (111) oriented BST film (from Xuan Shen, Applied Physicial Letters, 107, 141605, 2015)

Atomic resolution image of the sodiation interface, Ni/NiO,with helps from Kai and Huolin (See details at Nano Lett., 2015, 15 (9), pp 5755–5763)

Morphological evolution during sodiation and lithiation.(See details at Nano Lett., 2015, 15 (9), pp 5755–5763)

STEM-EELS Elemental Mapping (scale bars ~5nm) of F(red) and O(green) from Nano-FeOF electrode material(a pristine, b discharged, c charged). (S. W. Kim et al.,ACS Nano DOI:10.1021/acsnano.5b03643, 2015 )

EDX element mapping in STEM mode for Ce, Gd, Co, Fe elements and their combination. (from the collaboration with F. Chen's group published in Nature Communications 6, doi:10.1038/ncomms7824, 2015)

HAADF-STEM image of a representative fully ordered fct-FePt NP after 20000 potential cycles

(Sample from Prof. Shouheng Sun's group in Brown, Publication: Nano Letters, 2015, 15, 2468−2473)

The dendrite growth of electrolyte on the electrode part. (the image taken with Hitachi 2700C by Dr. Dong Su, Colored by Dr. Kai He)

Reaction mode-2 of the lithiation of NiO Nanosheet, in situ STEM imaging (Nano Letters, 2015, Link)

Reaction mode-1 of the lithiation of NiO Nanosheet, in situ TEM imaging (Nano Letters, 2015, Link)

Misfit dislocation pinned by the surface step at the interface of (Sr,Zr)TiO₃ on Ge

(Xuan et. al APL 106 (3), 032903,2015, Link )

In situ TEM observation of soliation process of FeF2 Nanoparticles(published in ACS Nano 8 (7), pp 7251–7259,2014)

HRTEM images recorded from {11–20} cross sectional sample of 4H-SiC(with F. Wu et al. J. Appl. Phys. 116, 104905 (2014))

Atomic-resolution STEM image visualizes cooperative Jahn–Teller effect (CJTE) and STEM-EELS shows Mn charge ordering((With Dr. Xin Li et al, from MIT, published in Nature Materials)

STEM-EDX Elemental Mapping of Gd,Ce, Fe and Co of a Mixed Electronic and Ionic Conducting Ceramic Composite Used for SOFC(A paper to appear in Nanoscale)

Unlocking the Potential of Cation-Disordered Oxides for Rechargeable Lithium Batteries.(With Mr. Jinhyuk Lee et al, from MIT, Science, 2014, 343, 519-522)

Ordered bilayer ruthenium–platinum core-shell nanoparticles as carbon monoxide-tolerant fuel cell catalysts (With Dr. Yu-Chi Hsieh et al. Nature Communications, 2013, 4, 2466)

Rocksalt-Spinel Nano-composited Li₄Ti₅O₁₂ electrodes fabricated by electron beam irradiation ( Nano Energy 2 (3), 343-350)

Simultaneous acquisition of HAADF and MAADF images to determine the displacive modulation in (Ca₂CoO₃)_0.62CoO₂. (With Dr. Lijun Wu et al. Advanced Functional Materials, 2013, DOI: 10.1002/adfm.201301098)

Plasmonic nanoparticle with chiroptical activity, based on silver nanocube and DNA. ( with Dr. Fang Lu et al. Nano Lett., 2013, 13 (7), pp 3145–3151)

Excess lithium storage and charge compensation in nanoscale Li_4+xTi₅O₁₂( With Dr. Feng Wang et al. Nanotechnology, 2013, 24, 424006)

Structure-Induced Enhancement in Electrooxidation of Trimetallic FePtAu Nanoparticles

(With Dr. Sen Zhang et al. J. Am. Chem. Soc., 2012, 134 (11), pp 5060–5063)

Carbon-Based Supercapacitors Produced by Activation of Graphene (With Dr. Yanwu Zhu et al. Science, 2011, 332, pp 1537-1541.)

On 90^o domain wall pinning in Pb(Zr_0.2Ti_0.8)O₃ heteroepitaxial thin films (Appl. Phys. Lett. 2011, 99, 102902)

Selective Sulfuration at the Corner Sites of a Silver Nanocrystal and Its Use in Stabilization of the Shape (With Dr. Jie Zeng et al. Nano Lett., 2011, 11 (7), pp 3010–3015)

Cross-sectional high angle annular dark-field image (HAADF) image and Comparison of deconvoluted VEELS

spectra from a Si(A)/STO/Si(C) structure (APPL. PHYS. LETT., 2010, 96, 121914)

A time series of EELS for the Na₂O–CaO–SiO₂ glass in the low energy loss region.

(With Dr. Nan Jiang et al. APPL. PHYS. LETT., 2007, 91, 231906 )

Annealing effect on dislocations in SrTiO₃/LaAlO₃ heterostructures ( J. APPL. PHYS., 2007, 101, 064102 )