Publications

(*) denotes PI as the Corresponding Author

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Accepted Manuscript

1. C. W. Tan, L. Xu, C. C. Er, S.-P. Chai, B. Kozinsky, H. Y. Yang, S. A. Yang, J. Lu, Y. S. Ang*, "Toward Sustainable Ultrawide Bandgap van der Waals Materials: An ab initio Screening Effort", accepted by Advanced Functional Materials (2023). DOI: 10.1002/adfm.202308679

2. H.-T. Guo, S.-D. Guo, Y. S. Ang, "Electric-field induced half-metal in experimentally synthesized CrSBr monolayer", accepted by Physical Chemistry Chemical Physics (2023). DOI: 10.1039/D3CP04133F

2024

1. S.-D. Guo, Y.-L. Tao, G. Wang, S. Chen, D. Huang, Y. S. Ang, "Proposal for valleytronic materials: Ferrovalley metal and valley gapless semiconductor", Front. Phys. 19, 23302 (2024).

2023

2. C. C. Tho, S.-D. Guo, S.-J. Liang, W.-L. Ong, C. S. Lau, L. Cao, G. Wang, Y. S. Ang*, "MA2Z4 Family Heteorstructures: Promises and Prospects", accepted by Appl. Phys. Rev. 10, 041307 (2023) - selected as "Featured Article".

3. S.-D. Guo, Y. S. Ang, "Spontaneous spin splitting in electric potential difference antiferromagnetism", Phys. Rev. B 108, L180403 (2023) - published as "Letter".

4. Z. Jiang, K.-M. Yam, Y. S. Ang*, N. Guo, Y. Zhang, H. Wang, C. Zhang, "Symmetry-driven half-integer conductance quantization in Cobalt–fulvalene sandwich nanowire", npj Comput. Mater. 9, 198 (2023).

5. M. Wang, J. Ruan, F. Tao, J. Zhu, Y. Zhang, Y. Xiong, X. Zhang, Y. S. Ang, "A technically feasible strategy using liquid-state thermocells to efficiently recover the waste heat released from proton exchange membrane fuel cells", Energy Convers. Manag. 294, 17541 (2023).

6. S.-D. Guo, G. Wang, Y. S. Ang, "Possible way to achieve valley-polarized quantum anomalous Hall insulator", Appl. Phys. Lett. 123, 173102 (2023).

7. Y. V. Lim, S. Vafakhah, X. L. Li, Z. Jiang, D. Fang, S. Huang, Y. Wang, Y. S. Ang, L. K. Ang, H. Y. Yang, "In Situ Synthesis Method of Approaching High Surface Capacity Sulfur and the Role of Cobalt Sulfide as Lithium–Sulfur Battery Materials", Small Sci. 3, 2300070 (2023).

8. K. W. Lee, Y. S. Ang*, "Injection-limited and space-charge-limited conduction in wide bandgap semiconductors with velocity saturation effect", Appl. Phys. Lett. 123, 143502 (2023).

9. B. H. Tiang, Y. S. Ang*, L. K. Ang, "Over-barrier photoelectron emission with Rashba spin–orbit coupling", Appl. Phys. Lett. 123, 161108 (2023).

10. S.-D. Guo, X.-K. Feng, D. Huang, S. Chen, G. Wang, Y. S. Ang, "Intrinsic persistent spin texture in two-dimensional T-XY (X, Y = P , As, Sb, Bi; X ≠ Y )", Phys. Rev. B 108, 075421 (2023).

11. N. T. T. Vu, L. Loh, Y. Chen, Q. Wu, I. A. Verzhbitskiy, K. Watanabe, T. Taniguchi, M. Bosman, Y. S. Ang*, L. K. Ang, M. Trushin, G. Eda, "Single Atomic Defect Conductivity for Selective Dilute Impurity Imaging in 2D Semiconductors", ACS Nano 17, 15648 (2023).

12. J. Yang, A. Jain, L. Fan, Y. S. Ang, H. Li, and W.-L. Ong, "Anomalous Pressure-Resilient Thermal Conductivity in Hybrid Perovskites with Strong Lattice Anharmonicity and Small Bulk Modulus", Chem. Matter. 35, 5185 (2023).

13. X.-S. Guo, S.-D. Guo, S.-N. Si, K. Cheng, K. Wang, Y. S. Ang, "Janus monolayer ScXY (X ≠ Y= Cl, Br and I) for piezoelectric and valleytronic application: a first-principle prediction", J. Phys.: Condens. Matter 35, 405501 (2023).

14. M. Shah, M. Q. Mehmood, Y. S. Ang, M. Zubair, Y. Massoud, "Magneto-optical conductivity and giant Faraday-Kerr rotation in Floquet topological insulators", Phys. Rev. B 107, 235115 (2023).

15. S. T. Nguyen, C. Q. Nguyen, Y. S, Ang, N. Van Hoang, N. M. Hung, C. V. Nguyen, "Understanding Electronic Properties and Tunable Schottky Barriers in a Graphene/Boron Selenide van der Waals Heterostructure", Langmuir 39, 6637 (2023).

16. W. J. Chan, L. K. Ang, Y. S. Ang*, "Quantum transport and shot noise in two-dimensional semi-Dirac system", Appl. Phys. Lett. 122, 163102 (2023).

17. M. Zubair, A. Fatima, N. Raheem, Y. S. Ang, M. Q. Mehmood, Y. Massoud, "Coordinate System Invariant Formulation of Fractional‐Dimensional Child‐Langmuir Law for a Rough Cathode", Adv. Phys. Research 2, 2200120 (2023) - selected as issue Cover.

18. S.-D. Guo, J.-X. Zhu, G.-Z. Wang, H.-T. Guo, B. Wang, K. Cheng, Y. S. Ang, "Switching Rashba spin-splitting by reversing electric-field direction", Phys. Rev. Mater. 7, 044604 (2023).

19. Y. Zhang, D. Venkatakrishnarao, M. Bosman, W. Fu, S. Das, F. Bussolotti, R. Lee, S. L. Teo, D. Huang, I. Verzhbitskiy, Z. Jiang, Z. Jiang, J. Chai, S. W. Tong, Z.-E. Ooi, C. P. Y. Wong, Y. S. Ang, K. E. J. Goh, C. S. Lau, "Liquid-Metal-Printed Ultrathin Oxides for Atomically Smooth 2D Material Heterostructures", ACS Nano 17, 7929 (2023).

20. T. Su, Y. Li, Q. Wang, W. Zhao, L. Cao, Y. S. Ang*, "Semimetal contacts to monolayer semiconductor: weak metalization as an effective mechanism to Schottky barrier lowering", J. Phys. D: Appl. Phys. 56, 234001 (2023) - invited submission for 2023 Emerging Leaders of JPhysD. 

21. M. Zubair, N. Raheem, M. Q. Mehmood, Y. S. Ang, Y. Massoud, "Transitional behaviors of fractional dimensional models of field-induced and space-charge limited emission from rough surfaces", Phys. Plasma 30, 042112 (2023).

22. L. K. Ang, Y. S. Ang*, C. H. Lee, "Universal model for electron thermal-field emission from two-dimensional semimetals", Phys. Plasma 30, 033103 (2023). 

23. H. Meng, J. Lim, L. Wang, C. H. Lee, Y. S. Ang*, "Port reconfigurable phase-change resonator", Appl. Phys. Lett. 122, 071103 (2023).

24. A. Ranjan, S. J. O’Shea, A. Padovani, T. Su, P. La Torraca, Y. S. Ang, M. S. Munde, C. Zhang, X. Zhang, M. Bosman, N. Raghavan, K. L. Pey"Molecular Bridges Link Monolayers of Hexagonal Boron Nitride during Dielectric Breakdown", ACS Appl. Electron. Mater. 5, 1262 (2023).

25. T. Su, C. H. Lee, S.-D. Guo, G. Wang, W.-L. Ong, L. Cao, W. Zhao, S. A. Yang, Y. S. Ang, "2D janus niobium oxydihalide NbOXY: Multifunctional piezoelectric semiconductor for electronics, photonics, sensing and sustainable energy applications", Mater. Today Phys. 31, 101001 (2023).

26. Z. Jiang, T. Su, C. Chua, L. K. Ang, C. Zhang, L. Cao, Y. S. Ang*, "Lanthanum oxyhalide monolayers: An exceptional dielectric companion to 2-D semiconductors",  IEEE Trans. Electron. Dev. 70, 1509 (2023) - invited submission to Special Issue on "Dielectrics for 2-D Electronics".

27. C. Y. Kee,  Y.  S.  Ang*, E.  P.  Li, L. K. Ang, "Analytical scaling of trap-limited current in 2-D ultrathin dielectrics", IEEE Trans. Electron. Dev. 70, 1527 (2023).

28. C. C. Tho, C. Yu, Q. Tang, Q. Wang, T. Su, Z. Feng, Q. Wu, C. V. Nguyen, W.-L. Ong, S.-J. Liang, S.-D. Guo, L. Cao, S. Zhang, S. A. Yang, L. K. Ang, G. Wang, Y. S. Ang*, "Cataloguing MoSi2N4 and WSi2N4 van der Waals Heterostructures: An Exceptional Material Platform for Excitonic Solar Cell Applications", Adv. Mater. Interfaces 10, 2201856 (2023) - selected as issue Inside Cover.

2022

29. S.-T. Nguyen, C. Q. Nguyen, Y. S. Ang, H. V. Phuc, N. V. Hieu, N. T. Hiep, N. M. Hung, L. T. T. Phuong, N. V. Hieu, C. V. Nguyen, "Tunable Schottky contact at the graphene/Janus SMoSiN2 interface for high-efficiency electronic devices", J. Phys. D: Appl. Phys. 56, 045306 (2022). 

30. C. Chua, Y. S. Ang*, L. K. Ang, "Tunneling injection to trap-limited space-charge conduction for metal-insulator junction", Appl. Phys. Lett. 121, 192109 (2022).

31. H. Meng, L. Wang, C. H. Lee, Y. S. Ang*, "Terahertz polarization conversion from optical dichroism in a topological Dirac semimetal", Appl. Phys. Lett. 121, 193102 (2022).

32. Z. Zhang, B. Cheng, J. Lim, A. Gao, L. Lyu, T. Cao, S. Wang, Z.-A. Li, Q. Wu, L. K. Ang, Y. S. Ang*, S.-J. Liang, F. Miao, "Approaching Intrinsic Threshold Breakdown Voltage and Ultra-High Gain in Graphite/InSe Schottky Photodetector", Adv. Mater. 34, 2206196 (2022).

33. L. Cao, X. Deng, Z. Tang, G. Zhou, Y. S. Ang*, "Designing high-efficiency metal and semimetal contacts to two-dimensional semiconductor γ-GeSe", Appl. Phys. Lett. 121, 113104 (2022).

34. M. E. Pam, S. Li, T. Su, Y.-C. Chien, Y. Li, Y. S. Ang, L.-W. Ang, "Interface-Modulated Resistive Switching in Mo-Irradiated ReS2 for Neuromorphic Computing", Adv. Mater. 34, 2202722 (2022). 

35. C. S. Lau, J. Y. Chee, L. Cao, Z-E Ooi, S. W. Tong, M. Bosman, F. Bussolotti, T. Deng, G. Wu, S.-W. Yang, T. Wang, S. L. Teo, C. P. Y. Wong, J. W. Chai, L. Chen, Z. M. Zhang, K.-W. Ang, Y. S. Ang, and K. E. J. Goh, "Gate Defined Quantum Confinement in CVD 2D WS2" Adv. Mater. 34, 2103907 (2022). 

36. W. Y. Lieu, D. Fang, K. J. Tay, X. L. Li, W. C. Chu, Y. S. Ang, D.-S. Li, L. K. Ang, H. Y. Yang, "Progress on 3D-Printed Metal-Organic Frameworks with Hierarchical Structures", Adv. Mater. Technol. 2200023, Early View: 10.1002/admt.202200023 (2022). 

37. S.-D. Guo, Y.-T. Zhu, K. Qin, Y. S. Ang, "Large out-of-plane piezoelectric response in ferromagnetic monolayer NiClI", Appl. Phys. Lett. 120, 232403 (2022). 

38. X. Zhang, J. Li, Y. Xiong, Y. S. Ang, "Efficient harvesting of low-grade waste heat from proton exchange membrane fuel cells via thermoradiative power devices", Energy 124940 (2022). 

39. S. Guo, H. Qu, W. Zhou, S. A. Yang, Y. S. Ang, J. Lu, H. Zeng, S. Zhang, "High-performance and Low-power Transistors Based on Anisotropic Monolayer β-TeO2", Phys. Rev. Appl. 17, 064010 (2022).

40. L. Cao, X. Deng, G. Zhou, S.-J. Liang, C. V. Nguyen, L. K. Ang, Y. S. Ang*, "Multiferroic van der Waals heterostructure FeCl2/Sc2CO2: Nonvolatile electrically switchable electronic and spintronic properties", Phys. Rev. B 105, 165302 (2022).

41. C. V. Nguyen, C. Q. Nguyen, S. T. Nguyen, Y. S. Ang, N. V. Hieu, "Two-Dimensional Metal/Semiconductor Contact in a Janus MoSH/MoSi2N4 van der Waals Heterostructure", J. Phys. Chem. Lett. 13, 2576 (2022).

42. A. Bafekry, M. M. Fadlallah, M. Faraji, N. N. Hieu, H. R. Jappor, C. Stampfl, Y. S. Ang, M. Ghergherehchi, "Puckered Penta-like PdPX (X= O, S, Te) Semiconducting Nanosheets: First-Principles Study of the Mechanical, Electro-Optical, and Photocatalytic Properties", ACS Appl. Mater. Interfaces 14, 21577 (2022). 

43. W. J. Chan, C. Chua, Y. S. Ang, L. K. Ang, "Field Emission in Emerging Two-Dimensional and Topological Materials: A Perspective", IEEE Trans. Plasma Sci., Early Access: 10.1109/TPS.2022.3173469 (2022).

44. T. Zhang, Y. S. Ang, E. Li, C. Y. Kee, L. K. Ang, "Symmetry Enhanced Network Architecture Search for Complex Metasurface Design", IEEE Access 10, 73533 (2022).

45. X. Zhang, Y. Xiong, Y. S. Ang*, L. K. Ang, J. Guo, "High-performance thermionic energy converters based on Cd3As2 anode", accepted in IEEE Trans. Electron. Dev. 69, 2637 (2022). 

46. J. Q. Ng, Q. Wu, L. K. Ang, Y. S. Ang*, "Tunable electronic properties and band alignments of MoSi2N4/GaN and MoSi2N4/ZnO van der Waals heterostructures", Appl. Phys. Lett. 120, 103101 (2022). 

47. G. Z. Wang, J. L. Chang, W. Tang, W. Xie, Y. S. Ang, "2D materials and heterostructures for photocatalytic water-splitting: A theoretical perspective", accepted in J. Phys. D: Appl. Phys. 55, 293002 (2022) [Invited Review].

48. H. Lu, Y. Yu, A. Jain, Y. S. Ang, W. L. Ong, "Deep learning techniques elucidate and modify the shape factor to extend the effective medium theory beyond its original formulation", Int. J. Heat Mass Transf. 184, 122305 (2022).

49. C. Fu, G. Wang, Y. Huang, Y. Chen, H. Yuan, Y. S. Ang, H. Chen, "Two-dimensional CdS/SnS2 heterostructure: a highly efficient direct Z-scheme water splitting photocatalyst", to appear in Phys. Chem. Chem. Phys. (2022) [Advance Article URL].

50. C. Q. Nguyen, Y. S. Ang, S. T. Nguyen, N. V. Hoang, N. M. Hung, C. V. Nguyen, "Tunable type-II band alignment and electronic structure of  C3N4/MoSi2N4 heterostructure: Interlayer coupling and electric field", Phys. Rev. B 105, 045303 (2022).

51. H. Wan, X. Xiao, Y. S. Ang*, "Edge Doping Engineering of High-Performance Graphene Nanoribbon Molecular Spintronic Devices", Nanomater. 12, 56 (2022).

52. X. Zhang, Y. S. Ang, "Conceptual design and performance optimization of a nighttime electrochemical system for electric power generation via radiative cooling", Energy 242, 123034 (2022).

2021

53. W. J. Chan, Y. S. Ang*, L. K. Ang,  "Thermal-field electron emission from three-dimensional Dirac and Weyl semimetals", Phys. Rev. B 104, 245420 (2021).

54. C. Chua, C. Y. Kee, Y. S. Ang*, L. K. Ang, "Absence of space-charge-limited current in unconventional field emission", Phys. Rev. Appl. 16, 064025 (2021).

55. X. Zhang, Y. S. Ang*, L. K. Ang, J. Chen, "Concentrated thermionic solar cells using graphene as the collector: Theoretical efficiency limit and design rules", Nanotechnol. 33, 065404 (2021).

56. A. Bafekry, M. Faraji, S. Karbasizadeh, N. N. Hieu, Y. S. Ang, A. Sarsari, M. Ghergherehchi, "Two-dimensional Dirac half-metal in porous carbon nitride C6N7 monolayer via atomic doping", Nanotechnol. 33, 075707 (2021).

57. J. Lim, Y. S. Ang, L. K. Ang, L. J. Wong, "Maximal terahertz emission in high harmonic generation from 3D Dirac semimetals", Comm. Phys. 4, 235 (2021).

58. T. Zhang, C. Y. Kee, Y. S. Ang*, L. K. Ang, "Deep learning-based design of broadband GHz complex and random metasurfaces", APL Photon. 6, 106101 (2021).

59. X. Zhang, G. Yang, M. Yan, L. K. Ang, Y. S. Ang*, J. Chen, "Design of an all-day electrical power generator based on thermoradiative devices", Sci. Chn. Technol. Sci. 64, 2166 (2021).

60. T. C. Li, Y. V. Lim, X. Xie, X. L. Li, G. Li, D. Fang, Y. Li, Y. S. Ang, L. K. Ang, H. Y. Yang, "ZnSe Modified Zinc Metal Anodes: Toward Enhanced Zincophilicity and Ionic Diffusion", Small 17, 2101728 (2021).

61. X. Zhang, J. Li, J. Wang, J. Guo, Y. S. Ang*, "Three-dimensional Dirac material anode enables concentrated solar thermionic converters", Opt. Lett. 46, 4530 (2021).

62. Q. Wang, L. Cao, S.-J. Liang, W. Wu, G. Wang, C. H. Lee, W. L. Ong, H. Y. Yang, L. K. Ang, S. A. Yang, and Y. S. Ang*, "Efficient Ohmic contacts and built-in atomic sublayer protection in MoSi2N4  and WSi2N4  monolayers", npj 2D Mater. Appl. 5, 71 (2021). 

63. A. Ehsan, M. Q. Mehmood, K. Riaz, Y. S. Ang, and M. Zubair, "Unraveling the vector nature of generalized space-fractional Bessel beams", Phys. Rev. A 104, 023512 (2021). 

64. C. Nguyen, N. V. Hoang, H. V. Phuc, Y. S. Ang, and C. V. Nguyen, "Two-Dimensional Boron Phosphide/MoGe2N4 van der Waals Heterostructure: A Promising Tunable Optoelectronic Material", J. Phys. Chem. Lett. 12, 5076 (2021).

65. J. Chang, W. Zhao, G. Wang, and Y. S. Ang, "Rotation Tunable Type‐I/Type‐II Band Alignment and Photocatalytic Performance of g‐C3N4/InSe van der Waals Heterostructure", Phys. Status Solidi RRL. Early view DOI: 10.1002/pssr.202100171 (2021).

66. S. B. Fairchild,  T. A. de Assis, J. H. Park,  M. Cahay, J. Bulmer, D. E. Tsentalovich,  Y. S. Ang,  L. K. Ang,  J. Ludwick,  T. C. Back, and  M. Pasquali, "Strongly anisotropic field emission from highly aligned carbon nanotube films", J. Appl. Phys. 129, 125103 (2021).

67. Q. Wu, L. Cao, Y. S. Ang, and L. K. Ang, "Semiconductor-to-metal transition in bilayer MoSi2N4 and WSi2N4 with strain and electric field", Appl. Phys. Lett. 118, 113102 (2021). Highlighted as "Featured" and "Scilight".  

• Scilight: "The effects of strain and electric field in MoSi2N4 and WSi2N4  bilayers", URL: https://aip.scitation.org/doi/10.1063/10.0003902 

68. P. Zhang, Y. S. Ang*,  A. L. Garner, Á. Valfells, J. W. Luginsland, and L. K. Ang, "Space–charge limited current in nanodiodes: Ballistic, collisional, and dynamical effects", J. Appl. Phys. 129, 100902 (2021). Highlighted as "Editor's Pick", and "Most Read".

69. X. Zhang, J. Wang, L. K. Ang, Y. S. Ang*, J. Guo, "Designing few-layer graphene Schottky contact solar cells: Theoretical efficiency limits and parametric optimization", Appl. Phys. Lett. 118, 053103 (2021). 

70. L. Cao, G. Zhou, Q. Wang, L. K. Ang, and Y. S. Ang*, "Two-dimensional van der Waals electrical contact to monolayer MoSi2N4 ", Appl. Phys. Lett. 118, 013106 (2021). Highlighted as "Editor's Pick", and "Most Read".

71. Y. S. Ang*, L. Cao, and L. K. Ang, “Physics of Electron Emission and Injection in 2D Materials: Theory and Simulation”, InfoMat 3, 502 (2021) [Invited Review].

2020

72. J. Lim, Y. S. Ang*, F. J. G. de Abajo, I. Kaminer, L. K. Ang, and L. J. Wong, "Efficient generation of extreme terahertz harmonics in three-dimensional Dirac semimetals", Phys. Rev. Research 2, 043252 (2020).

73. C. S. Lau, J. Y. Chee, Y. S. Ang, S. W. Tong, L. Cao, Z.-E. Ooi, T. Wang, L.-K. Ang, Y. Wang, M. Chhowalla, and K. E. J. Goh,  "Quantum Transport in Two-Dimensional WS2 with High-Efficiency Carrier Injection through Indium Alloy Contacts", ACS Nano 14, 13700 (2020).

74. C. H. Lee, A. Sutrisno, T. Hofmann, T. Helbig, Y. Liu, Y. S. Ang*, L. K. Ang, X. Zhang, M. Greiter, and R. Thomale, "Imaging nodal knots in momentum space through topolectrical circuits", Nature Commun. 11, 4385 (2020).

75. X. Zhang, J. Du, J. Chen, L. K. Ang, and Y. S. Ang*, "Designing high-performance nighttime thermoradiative systems for harvesting energy from outer space", Opt. Lett. 45, 5929 (2020).

76. X. Feng, Y. Liu, Z.-M. Yu, Z. Ma, L. K. Ang, Y. S. Ang, and S. A. Yang, “Super-Andreev reflection and longitudinal shift of pseudospin-one fermions”, Phys. Rev. B 101, 235417 (2020). 

77. Q. Wu, L. Cao, Y. S. Ang, L. K. Ang, "Superior and tunable gas sensing properties of Janus PtSSe monolayer", Nano Expr. 1, 010042 (2020).

78. J. Lim, K. J. A. Ooi, C. Zhang, L. K. Ang, and Y. S. Ang*, “Broadband strong optical dichroism in topological Dirac semimetals with Fermi velocity anisotropy”, Chinese Phys. B 29, 077802 (2020) [Invited].

79. S.  Banerjee, L.  Cao, Y.  S.  Ang*,  L.  K.  Ang,  and  P.  Zhang,  “Reducing  resistance  in metal–two-dimensional-material electrical contacts by roughness engineering”, Phys. Rev. Appl. 13, 064021 (2020).

80. L.  Cao,  Q.  Wu, Y.  S.  Ang*,  and  L.  K.  Ang,  “Electrical  contact  between  an  ultrathin topological Dirac semimetal and a two-dimensional material”, Phys. Rev. Appl. 13, 054030 (2020).

81. L. Cao, Y. S. Ang*, Q. Wu, L. K. Ang, “Electronic properties and spintronic applications of carbon phosphide nanoribbons”, Phys. Rev. B 101, 035422 (2020).

82. K. J. A. Ooi, Y. S. Ang*, Q. Zhai, X. Sun, P. Xiang, C. K. Ong, L. K. Ang, and D. T. H. Tan, “Dirac terahertz plasmonics in two and three dimensions”, Opt. Commun. 462, 125319 (2020) [Invited].

83.  X. Zhang, Y. S. Ang,  J.-Y. Du,  J. Chen,  and L. K. Ang,  “Graphene-based thermionic-thermoradiative solar cells:  Concept, efficiency limit, and optimum design”, J. Clean. Prod. 242, 118444 (2020).

2019

84. T. Zhang, K. J. A. Ooi, W. Chen, L. K. Ang, and Y. S. Ang*, "Optical Kerr effect and third harmonic generation in topological Dirac/Weyl semimetal", Opt. Expr. 27, 38270 (2019).

85. L. Cao, Y. S. Ang*, Q. Wu, and L. K. Ang, “Janus PtSSe and graphene heterostructure with tunable Schottky barrier”, Appl. Phys. Lett. 115, 241601 (2019).

86. X.  Zhang,  J.-Y.  Du, Y.  S.  Ang,  J.  Chen,  and  L.  K.  Ang,  “Hybrid  direct  carbon  fuel cell-thermoradiative systems for high-efficiency waste-heat recovery”, Energy Convers. Manag. 198, 111842 (2019).

87. Y. S. Ang*, and L. K. Ang, “Theory of thermionic carrier injection in graphene/organic Schottky interface”, Front. Mater. 6, 204 (2019).

88. M. E. Pam, J. Hu, Y. S. Ang, S. Huang, D. Kong, Y. Shi, X. Zhao, D. Geng, S. J. Pennycook, L. K. Ang, and H. Y. Yang, “High-Concentration Niobium-Substituted WS2 Basal Domains with Reconfigured Electronics Band Structure for Hydrogen Evolution Reaction”, ACS Appl. Mater. Interfaces 11, 34862 (2019).

89.  Q.  Wu, Y.  S.  Ang,  L.  Cao,  and  L.  K.  Ang,  “Design  of  metal  contacts  for  monolayer Fe3GeTe2 based devices”, Appl. Phys. Lett. 115, 083105 (2019).

90. Y. S. Ang*, Y. Chen, L. K. Ang, “Generalized high-energy thermionic electron injection at graphene interface”, Phys. Rev. Appl. 12, 014057 (2019).

91. X. Zhang, Y. S. Ang, J. Chen, and L. K. Ang, “Design of an InSb thermoradiative system for harvesting low-grade waste heat”, Opt. Lett. 44, 3354 (2019).

92. X. Zhang, Y. S. Ang, Z. Ye, S. Su, J. Chen, and L. K. Ang, “Three-terminal heterojunction bipolar transistor solar cells with non-ideal effects: Efficiency limit and parametric optimum selection”, Energy Convers. Manag. 188, 112 (2019).

93.  M. E. Pam, Z. Li, Y. S. Ang, Y. Shi, D. Geng, S. Huang, X. Zhao, S. J. Pennycook, H. Yao, X. Gong, L. K. Ang, and H. Y. Yang, ‘Thermal-assisted vertical electron injections in few-layer pyramidal-structured MoS2 crystals’, J. Phys. Chem. Lett. 10, 1292 (2019).

94. Y. Xu, Y. S. Ang, L. Wu, and L. K. Ang, “High sensitivity surface plasmon resonance sensor based on two-dimensional MXene and transition metal dichalcogenide: A theoretical study”, Nanomater. 9, 165 (2019).

95. K. J. A. Ooi, Y. S. Ang*, Q. Zhai, D. T. H. Tan, L. K. Ang, and C. K. Ong, “Nonlinear plasmonics of three-dimensional Dirac semimetals”, APL Photon. 4,  034402 (2019) [Invited].

2018

96. Y. S. Ang*, H. Y. Yang, and L. K. Ang, “Universal scaling laws in Schottky heterostructures based on two-dimensional materials”, Phys. Rev. Lett. 121,  056802 (2018) – highlighted as “Editors’ Suggestion” and “Featured in Physics”.

97. M. Z. Zubair, Y. S. Ang, and L. K. Ang, “Fractional Fresnel coefficients for optical absorption in femtosecond laser-induced rough metal surfaces”, J. Appl. Phys. 124, 163101 (2018) – highlighted as “Editor’s Pick” article.

98. M. Zubair, Y. S. Ang,  and L. K. Ang,  “Thickness dependence of space-charge-limited current in spatially disordered organic semiconductors”, IEEE Trans. Electron Dev. 65, 3421 (2018).

99. M. Z. Zubair, Y. S. Ang, and L. K. Ang, “Fractional Fowler-Nordheim law for field emission from rough surface with nonparabolic energy dispersion”, IEEE Trans. Electron Dev. 65, 2089 (2018).

2017

100. Y. S. Ang*, S. A. Yang, C. Zhang, Z. Ma, L. K. Ang, “Valleytronics in merging Dirac cones:  all-electric filter, valve and universal reversible logic gate”, Phys. Rev. B 96, 245410 (2017) – selected as “Kaleidoscope”.

101. Y. S. Ang*, S.-J. Liang, and L. K. Ang, “Theoretical modelling of electron emission from graphene”, MRS Bullet. 42, 505 (2017) [Invited].

102. Y. S. Ang*, M. Zubair, and L. K. Ang, “Relativistic space-charge-limited current for massive Dirac fermions”, Phys. Rev. B 95, 165409 (2017).

103. K. J. A. Ooi, Y. S. Ang, J. L. Cheng, J. E. Sipe, and L. K. Ang, “Electronic scattering of graphene plasmons in the terahertz nonlinear regime”, IEEE J. Sel. Top. Quantum Electron. 23, 5100206 (2017).

2016

104. Y. S. Ang*, and L. K. Ang, “Current-temperature scaling for a Schottky interface with nonparabolic energy dispersion”, Phys. Rev. Appl. 6, 034013 (2016).

105. Y. S. Ang*, L. K. Ang, Z. Ma, and C. Zhang, “Nonlocal transistor based on pure crossed Andreev reflection in a EuO-graphene/superconductor hybrid structure”, Phys. Rev. B 93, 041422(R) (2016).