Personal Details

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Dr. TAN Hui Ru

Senior Specialist I


Advanced Characterisation and Instrumentation (ACI) Department

6501 1850

2 Fusionopolis Way. Innovis, #08-03, Singapore 138634

Research Details

Transmission Electron Microscopy (TEM) characterisation techniques

Electron holography of magnetic materials

Lorentz microscopy of multilayer magnetic materials


Characterisation of materials with Transmission Electron Microscope (TEM)

Advanced TEM characterisation - Electron Tomography, Electron Holography, Lorentz microscopy


2019 – current      SpOT-LITE Spin-Orbit Technologies for Intelligence at the Edge

2019 – current      Direct visualisation of thermochromic colloidal system via liquid cell based in-situ transmittance electron microscopy (TEM)

2018 – 2019          Advanced Metallurgy

2017 – current      Models for improved electroplating of TSV and enhanced electromigration reliability

2016 – 2018         Investigating Spin Topology (Skyrmions)

2014 – 2015         Detection and Characterization of Nanoparticles in Water (industry collaboration)
                             GaN on Si materials properties and correlation to device characteristics (industry collaboration)

2013 – 2014         Interface Failure Analysis of Polymer Nanocomposites Using Infrared Non-Destructive (NDT) Method

2012 – 2013         Characterization of AlGaN/GaN-based Heterostructures On Silicon for Power Electronics (industry collaboration)

2011 – 2014         GaN-On-Silicon Growth on 8" Silicon

2011 – 2012         In-situ probing of catalysts during chemical reactions

2008 – 2010         Electron tomography of nanostructured materials


2016 – current      Senior Specialist I, IMRE

2013 – 2016         Specialist II, IMRE

2011 – 2013         Specialist I, IMRE

2007 – 2011         Research Officer, IMRE


PhD (Physics), National University of Singapore, 2017

B.Sc.(Hons) in Physics (with conc. in Applied Physics), National University of Singapore, 2007


Scientific Staff Development Award (SSDA), Agency for Science, Technology and Research (A*STAR), 2009

Jurong Shipyard Book Prize, 2004-05, National University of Singapore (NUS), 2005


Lorentz microscopy
  1. X. Chen; M. Lin; H. R. Tan; W. Wu; A. K. C. Tan; P. Ho; R. Maddu; Q. J. Yap; H. K. Tan; S. T. Lim; A. Soumyanarayanan, "Emergence of Nee-textured skyrmions in Co/Pt-based multilayers with interfacial chiral interactions" 8th MRS-S Advanced Materials Conference, 2018.

Electron holography
  1. H. M. Fan, M. Olivo, B. Shuter, J. B. Yi, R. Bhuvaneswari, H. R. Tan, G. C. Xing, C. T. Ng, L. Liu, S. S. Lucky, B. H. Bay, J. Ding, “Quantum Dot Capped Magnetite Nanorings as High Performance Nanoprobe for Multiphoton Fluorescence and Magnetic Resonance Imaging” J. Am. Chem. Soc., 2010, 132 (42), 14803-14811.

Electron tomography
  1. M. Lin; H. R. Tan; J. P. Y. Tan; S. Bai ,“Understanding the Growth Mechanism of α-Fe2O3 Nanoparticles through a Controlled Shape Transformation” J. Phys. Chem. C, 2013, 117, 11242–11250.

  2. M. Lin, Z. Y. Fu, H. R. Tan, J. P. Y. Tan, S. C. Ng, E. Teo, “Hydrothermal Synthesis of CeO2 Nanocrystals: Ostwald Ripening or Oriented Attachment?” Cryst. Growth Des., 2012,12, 6, 3296-3303.

  3. H. R. Tan, J. P. Y. Tan, C. Boothroyd, T. W. Hansen, Y. L. Foo, M. Lin, “ Experimental Evidence for Self-Assembly of CeO2 Particles in Solution: Formation of Single-Crystalline Porous CeO2 Nanocrystals” J. Phys. Chem. C, 2012, 116, 242–247.

  4. M. Lin; H. R. Tan; J. P. Y. Tan; C. Boothroyd; Y. L. Foo; C. B. He, “Transmission Electron Microscope Tomography of Nanostructured Materials” J. Nanoengineering and Nanomanufacturing, 2011, 1, 3, 257-264(8).

  5. E. Y. Ye, K. Y. Win, H. R. Tan, M. Lin, C. P. Teng, A. Mlayah, M. Y. Han, “Plasmonic Gold Nanocrosses with Multidirectional Excitation and Strong Photothermal Effect” J. Am. Chem. Soc., 2011, 133, 8506–8509 (5).

TEM characterisation
  1. S. Kumar; A. S. Pratiyush; S. B. Dolmanan; H. R. Tan; S. Tripathy; R. Muralidharan; D. N. Nath, "Optically Coupled Electrically Isolated, Monolithically Integrated Switch Using AlxGa1-x/GaN High Electron Mobility Transistor Structures on Si (111)" ACS Appl. Electron. Mater., 2019, 1 (3), 340-345.

  2. W. Wu; W. W. Tjiu; W. Wan; H. R. Tan; S. L. Teo; S. Guo; S. T. Lim; M. Lin, "Endotaxial growth of FexGe single-crystals on Ge(001) substrates" CrystEngComm, 2018, 20, 2916-2922. **This work has been featured as journal front cover**

  3. T. Dutta; S. N. Piramanayagam; H. R. Tan; M. S. M. Saifullah; C. S. Bhatia; H. Yang, “Exchange coupled CoPt/FePtC media for heat assisted magnetic recording” Appl. Phys. Lett., 2018, 112, 142411.

  4. M. S. M. Saifullah; M. Asbahi; M. B. K. Kiyani; S. Tripathy; E. A. H. Ong; A. I. Saifullah; H. R. Tan; T. Dutta; R. Ganesan; S. Valiyabeettil; K. S. L. Chong, "Direct Patterning of Zinc Sulfide on a Sub-10 Nanometer Scale via Electron Beam Lithography" ACS Nano, 2017, 11 (10), 9920-9929.

  5. C. P. Chen; B. L. Ong; S. W. Ong; W. Ong; H. R. Tan; J. W. Chai; Z. Zhang; S. J. Wang; L. J. Harrison; H. C. Kang; Tok, E. S., “In-situ growth of HfO2 on clean 2H-MoS2 surface: Growth Mode, Interface Reactions and Energy Band Alignment” Appl. Surf. Sci., 2017, 420, 524-534.

  6. K. K. Ansah Antwi; C. B. Soh; Q. Wee; Rayson J. N. Tan; P. Yang; H. R. Tan; L. F. Sun; Z. X. Shen; S. J. Chua, “Crystallographically tilted and partially strain relaxed GaN grown on inclined {111} facets etched on Si(100) substrate” J. Appl. Phys., 2013, 114, 243512.

  7. H. M. Fan, J. B. Yi, Y. Yang, K. W. Kho, H. R. Tan, Z. X. Shen, J. Ding, X. W. Sun, O. M. Carolene, Y. P. Feng, “Single-Crystalline MFe2O4 Nanotubes/Nanorings Synthesized by Thermal Transformation Process for Biological Applications” ACS Nano, 2009, 3, 9, 2798-2808.

  8. H. M. Fan, G. J. You; Y. Li, Z. Zheng, H. R. Tan, Z. X. Shen, S. H. Tang, Y. P. Feng, “Shape-Controlled Synthesis of Single-Crystalline Fe2O3 Hollow Nanocrystals and Their Tunable Optical Properties” J. Phys. Chem. C, 2009, 113, 22, 9928-9935.

Manippady, K. K.; Dolmanan S. B.; Lin, V. K. X.; Tan. H. R.; Tripathy, S., “A Semiconductor device for high power applications”, PCT/SG2013/000547; US 14/758,035, 2012.

Last updated on : 05 Apr 2019 06:55 PM