Recent publication:

22. R. K. Paudel, C.-Y. Ren, and Yia-Chung Chang,
"Semi-Empirical Pseudopotential Method for Graphene and Graphene Nanoribbons",
nanomaterials 13(14),2066, 2023.

21. C.-Y. Ren, R. K. Paudel and Yia-Chung Chang,
"Density Functional Theory for Buckyballs within Symmetrized Icosahedral Basis",
nanomaterials 13, 1912, 2023.

20. C.-Y. Ren, and Yia-Chung Chang,
"Density functional calculations of atomic structure, charging effect, and
static dielectric constant of two-dimensional systems based on B-splines",
Physica E:Low-dimensional Systems and Nanostructures.140, 115203, 2022.

19. C.-Y. Ren, Yia-Chung Chang, and Chen-Shiung Hsue,
"Application of van der Waals density functionals to two dimensional systems
based on a mixed basis approach"
Comput. Phys. Commun. 238, 138, 2019.

18. C. Y. Ren*, Yia-Chung Chang, and Chen-Shiung Hsue,
"A Mixed Basis Density Functional Approach for One-Dimensional Systems with B-splines",
arXiv1509.03379. Comput. Phys. Commun. 202, 188, (2016).

17. C. Y. Ren*, Chen-Shiung Hsue, and Yia-Chung Chang ,
"A Mixed Basis Density Functional Approach for Low Dimensional Systems with B-splines",
arXiv1406.4960, Comput. Phys. Commun. 188, 94, (2015).

16. Hsin Lin*, Tanmoy Das, Yoshinori Okada, M. C. Boyer, W. D. Wise, Michelle Tomasik, Bo Zhen, Eric W. Hudsony, Wenwen
Zhou, V. Madhavan, C.Y. Ren, Hiroshi Ikuta, and A. Bansil*,
"Topological dangling bonds with large spin splitting and Enhanced Spin Polarization on the surfaces of Bi2Se3"
Nano Letters 13, 1915, (2013).

15. H.-F. Kao, I. Lo, J.-C. Chiang, C.-N. Chen,W.-T. Wang, Y.-C. Hsu, C. Y. Ren, M.-E Lee , C.-L. Wu and M.-H Gau,
"Spin-splitting calculation for zincblende semiconductors using an atomic bond-orbital model",
J.Phys: Condens. Matter 24, 415802, (2012).

14. T. R. Chang, H. T. Jeng*, C. Y. Ren*, and C. S. Hsue,
"Charge-Orbital Ordering and Ferroelectric Polarization in Multiferroic TbMn2O5 from first-principles",
Phys. Rev. B84, 024421, (2011).

13. C. Y. Ren* and Ching Cheng,
"Atomic and magnetic structures of (CuCl)LaNb2O7 and (CuBr)LaNb2O7: Density functional calculations",
Phys. Rev. B82, 024404, (2010). (reported as new findings in VerticalNews in September 2010)

12. J. Chen*, Y.-S. Lai, P.-F. Yang, C. Y. Ren, and D.-J. Huang,
"Structural and elastic properties of Cu6Sn5 and Cu3Sn from first-principles calculations",
J. Mater. Res. 24, 2361 (2009).

11. C. Y. Ren*,
"Atomic, electronic, and ferroelectric properties of manganite RMnO3 (R=Ho, Er, Tm, Lu) in hexagonal and
orthorhombic phases",
Phys. Rev. B79, 125113 (2009).

10. Jiunn Chen*, Y.-S. La, C. Y. Ren, D.-J. Huang,
"First-princples calculations of elastic properites of Sn3Sn superlattice",
Appl. Phys. Lett 92, 081901, (2008).

9. C. Y. Ren*, S. -F. Tsay, and F. -C. Chuang,
"First-principles study of the atomic and electronic structure of the Si(111)-(5 × 2)-Au surface reconstruction",
Phys. Rev.B76, 75414 (2007).

8. C. Y. Ren*, S. H. Chiou, and J. Choisnet
"First-principles calculations of the electronic band structure of In4Sn3O12 and In5SbSnO12",
J. Appl. Phys. 99, 23706 (2006).

7. C. Y. Ren*,
"Gradient-corrected density-functional potential with correct asymptotic behavior:
Application to interconfigurational energies in transition-metal atoms",
J. Chem. Phys.122, 244109 (2005).

6. C. Y. Ren*,
" Relativistic density-functional all-electron calculations of interconfigurational energies of lanthanide atoms"
J. Chem. Phys. 121,11073(2004).

5. C. Y. Ren*, S. H. Chiou and C. S. Hsue,
" Ga-doping effects on electronic and structural properties of wurtzite ZnO",
Physica B 349,136(2004).

4. C. Y. Ren* and C. S. Hsue,
"Atomic polarizabilities with optimized-effective potential and self-interaction correction",
Chin. J. Phys. 42, 162(2004).

3. C. Y. Ren* and C. S. Hsue,
"Viral coefficients of rare gases on xenon-plated graphite using image theory ",
Phys. Rev. B67, 115411(2003).

2. C. Y. Ren* , H. T. Jeng and C. S. Hsue,
"Relativistic density-functional calculations ofinterconfigurational energies for second and third
transition-metal rows ",
Phys. Rev. B66, 125105(2002).