Publications (Google Scholar)
2025
T.J. Wijaya†, N. Higashitarumizu†, Shifan Wang, S. Tajima, H.M. Kim, Shu Wang, D. Zhang, T. Yokota, T. Someya, and A. Javey, “Uncooled flexible mid-wave infrared imager using black phosphorus ink film”, Nat. Commun. 16, 5972, 2025. PDF († Equal contributions)
Y. Shi, P.P. Roy, N. Higashitarumizu, T.Y. Lee, Q. Li, A. Javey, H. Sirringhaus, K. Landfester, I. McCulloch, and G.R. Fleming, “Annihilation-limited Long-range Exciton Transport in High-mobility Conjugated Copolymer Films”, Proceedings of the National Academy of Sciences (PNAS) 122, e2413850122, 2025. PDF
D. Zhang, Y. Li, J. Geng, H.M. Kim, M. Ma, S. Wang, I. Kim, T.J. Wijaya, N. Higashitarumizu, R. Rahman, D. Urmossy, J. Bullock, A. Ozcan, and A. Javey, “Spectral kernel machines with electrically tunable photodetectors”, Science, 2025 (accepted).
S. Wang, N. Higashitarumizu, M. Jamal, D. Chrzan, M. Scott, A. Javey, “Mid-Infrared Photoluminescence from Tellurium Thin Films”, Nano Letters 25, 9311, 2025. PDF
R. Rahman, T. Kim, I. Kim, N. Higashitarumizu, Shu Wang, Shifan Wang, H. Kim, J. Bullock, V. Altoe, J. Ager, D. Chrzan, A. Javey, “Thermally Stable Ruthenium Contact for Robust p-type Tellurium Transistors”, Nano Lett. 25, 3956–3963, 2025. PDF
J. Geng, D. Zhang, I. Kim, H.M. Kim, N. Higashitarumizu, I.K.M.R. Rahman, L. Lam, J.W. Ager, A.V. Davydov, S. Krylyuk, A. Javey, “Unusually strong near-infrared photoluminescence of highly transparent bulk InSe”, Adv. Funct. Mater. 35, 2413672, 2024. PDF
H. Im, A.S. Gupta, D. Lu, M. Buckingham, K. Ma, S. Nemsak, N. Higashitarumizu, I.K.M.R. Rahman, J. Liang, J. Wan, J. Herrera, E.A. Spickermann, X. Ma, Z. Wu, K. Wang, A.V. Duin, N. Nayir, H. Zheng, A. Javey, M.P. Sherburne, D.J. Lewis, J.R. Long, and Z.Y. Al Balushi, “Direct Heterogeneous Integration of Molybdenum Disulfide via Spin-on Molecular Chemistry”, (under review).
2024
K. Lee†, N. Higashitarumizu†, S. Wang, C. Kim, C.Y. Ho, J.W. Oh, G. Zan, G. Kim, M. Madsen, T.W. Lee, D.C. Chrzan, C. Park, A. Javey, “Meter-scale van der Waals films manufactured via one-step roll printing”, Science Advances 10, eadq0655, 2024. PDF († Equal contributions)
J.I. Kim†, N. Higashitarumizu†, S. Wang, R. Yalisove, M.C. Scott, S.Y. Song, and A. Javey, “Multicolor inks of black phosphorus for midwave-infrared optoelectronics”, Adv. Mater. 36, e2402922, 2024. PDF († Equal contributions)
N. Higashitarumizu, T. Kawashima, T. Smart, R. Yalisove, C.Y. Ho, M. Madsen, D.C. Chrzan, M.C. Scott, R. Jeanloz, H. Yusa, and A. Javey, “Mid-infrared, optically active black phosphorus thin films on centimeter scale”, Nano Letter 24, 3104, 2024. PDF
N. Higashitarumizu, Shu Wang, Shifan Wang, H. Kim, J. Bullock, and A. Javey, “Black Phosphorus for Mid-Infrared Optoelectronics: Photophysics, Scalable Processing, and Device Applications”, Nano Lett. 24, 13107, 2024. PDF [review paper]
N. Higashitarumizu, “Mid-infrared light emitting devices based on black phosphorus”, Oyo Buturi 93, 630, 2024. PDF [review paper]
I. Kim, N. Higashitarumizu, I.K.M.R. Rahman, S. Wang, H.M. Kim, J. Geng, R.R. Prabhakar, J.W. Ager, and A. Javey, “Low Resistance P-type WSe2 Transistors with Air Stable Contact Doping”, Nano Letters 24, 13528, 2024. PDF
S. Wang, N. Higashitarumizu, B. Sari, M.C. Scott, and A. Javey, “Quantitative Mid-infrared Photoluminescence Characterization of Black Phosphorus–Arsenic Alloys”, ACS Nano 18, 5907, 2024. PDF
J. Li, R. Yang, N. Higashitarumizu, S. Dai, J. Wu, A. Javey, and C.P. Grigoropoulos, “Transient nanoscopy of exciton dynamics in 2D transition metal dichalcogenides”, Adv. Mater. 2311568, 1, 2024. PDF
A.Z. Al-Attili, D. Burt, T. Rahman, Z. Li, N. Higashitarumizu, F.Y. Gardes, Y. Ishikawa, and S. Saito, “Mechanically Induced Optical Loss Mechanism due to Thermal Expansion Coefficient Mismatch in Micro-Cavities with All-Around Stressor Layers”, APL Photonics 9, 056104, 2024. PDF
2023
N. Higashitarumizu, S.Z. Uddin, D. Weinberg, N.S. Azar, R Rahman, K.B. Crozier, E. Rabani, and A. Javey, “Anomalous thickness dependence of photoluminescence quantum yield in black phosphorous”, Nature Nanotechnology 18, 507, 2023. PDF [Berkeley Lab News]
N. Higashitarumizu, S. Tajima, J. Kim, M. Cai, and A. Javey, “Long operating lifetime mid-infrared LEDs based on black phosphorus”, Nature Communications 14, 4845, 2023. PDF
N. Gupta, V. Wang, S. Wang, N. Higashitarumizu, K. Lee, C. Park, A. Javey, “Large-scale Efficient Mid-Wave Infrared Optoelectronics based on Black Phosphorus Ink”, Science Advances 9, eadi938, 2023. PDF
I.K.M.R. Rahman, S.Z. Uddin, M. Yeh, N. Higashitarumizu, J. Kim, Q. Li, H. Lee, K. Lee, H.Y. Kim, C. Park, J. Lim, J.W. Ager III, A. Javey, “Gate Controlled Excitonic Emission in Quantum Dot Thin Films”, Nano Letters 23, 10164, 2023. PDF
G.H. Ahn, A.D. White, H. Kim, N. Higashitarumizu, F.M. Mayor, J.F. Herrmann, W. Jiang, K.K. S. Multani, A.H. Safavi-Naeini, A. Javey, J. Vučković, “Platform-agnostic waveguide integration of high-speed photodetectors with evaporated tellurium thin films”, Optica 10, 349, 2023. PDF
S. Balendhran, M. Taha, S. W.W. Yan, N. Higashitarumizu, D. Wen, N.S. Azar, J. Bullock, P. Mulvaney, A. Javey, and K.B. Crozier, “Flexible vanadium dioxide photodetectors for visible to longwave infrared detection at room temperature”, Advanced Functional Materials 33, 2301790, 2023. PDF
A.G.S. Vilasam, S. Adhikari, B. Gupta, S. Balendhran, N. Higashitarumizu, J. Tournet, L. Li, A. Javey, K.B. Crozier, S. Karuturi, J. Chennupati, and H.H. Tan, “Large area epitaxial growth of InAs nanowires and thin films on hexagonal boron nitride by metal organic chemical vapor deposition”, Nanotechnology 34, 495601, 2023. PDF
2022
S.Z. Uddin†, N. Higashitarumizu†, H. Kim, R. Rahman, and A. Javey, “Efficiency Roll-off Free Electroluminescence from Monolayer WSe2”, Nano Lett. 22, 5316, 2022. PDF († Equal contributions)
S.Z. Uddin†, N. Higashitarumizu†, H. Kim, J. Yi, X. Zhang, D. Chrzan, and A. Javey, “Enhanced neutral exciton diffusion in monolayer WS2 by exciton-exciton annihilation”, ACS Nano 16, 8005, 2022. PDF († Equal contributions)
S.Z. Uddin†, N. Higashitarumizu†, H. Kim, E. Rabani, and A. Javey, “Engineering Exciton Recombination Pathways in Bilayer WSe2 for Bright Luminescence”, ACS Nano 16, 1339, 2022. PDF († Equal contributions)
I.K.M.R. Rahman, S.Z. Uddin, H. Kim, N. Higashitarumizu, and A. Javey, “Low voltage AC electroluminescence in silicon MOS capacitors”, Appl. Phys. Lett. 121, 193502, 2022. PDF [Selected as Editor's Pick]
A. Al-Attili, D. Burt, Z. Li, N. Higashitarumizu, F. Gardes, Y. Ishikawa, and S. Saito, “Chiral Germanium Micro-Gears for Tuning Orbital Angular Momentum”, Sci. Rep. 12, 7465, 2022. PDF
2021
H. Kim, S.Z. Uddin, N. Higashitarumizu, E. Rabani, and A. Javey, “Inhibited nonradiative decay at all exciton densities in monolayer semiconductors”, Science 373, 448–452, 2021. PDF [Press Release]
M. Umeda, N. Higashitarumizu, R. Kitaura, T. Nishimura, and K. Nagashio, “Identification of the position of piezoelectric polarization at MoS2 /metal interface”, Appl. Phys. Express 14, 125002, 2021. PDF [Selected as highlights]
N. Higashitarumizu and K. Nagashio, “Demonstration of In-Plane Ferroelectricity in Two-Dimensional Layered SnS”, Ceramics Japan 56, 447–450, 2021. PDF
Y.-R. Chang, N. Higashitarumizu, H. Kawamoto, F.-H. Chu, C.-J. Lee, R. Xiang, W.-H. Chang, T. Nishimura, K. Nagashio, “Atomic step induced screw dislocation driven spiral growth of SnS through PVD method”, Chem. Mater. 33, 186−194, 2021. PDF
2020
N. Higashitarumizu, H. Kawamoto, C.-J. Lee, B.-H. Lin, F.-H. Chu, I. Yonemori, T. Nishimura, K. Wakabayashi, W.-H. Chang, and K. Nagashio, “Purely in-plane ferroelectricity in monolayer SnS at room temperature”, Nat. Commun. 11, 2428, 2020. PDF [Press Release] [NEWS: UTokyo, Nikkei, EE Times, etc.]
H. Kawamoto, N. Higashitarumizu, N. Nagamura, M. Nakamura, K. Shimamura, N. Ohashi, and K. Nagashio, “Micrometer-scale monolayer SnS growth by physical vapor deposition”, Nanoscale 12, 23274–23281, 2020. PDF
M. Yako, N. Higashitarumizu, and Y. Ishikawa, “Impact of interface recombination on direct-gap photoluminescence from Ge epitaxial layers on Si”, Jpn. J. Appl. Phys. 58, SBBE08, 2019. PDF
N. Higashitarumizu, H. Kawamoto, M. Nakamura, K. Shimamura, N. Ohashi, K. Ueno, and K. Nagashio, “Self-passivated ultra-thin SnS layers via mechanical exfoliation and post-oxidation”, Nanoscale 10, 22474–22483, 2018. PDF
N. Higashitarumizu, H. Kawamoto, K. Ueno, and K Nagashio, “Fabrication and surface engineering of two-dimensional SnS toward piezoelectric nanogenerator application”, MRS Adv. 3, 2809–2814, 2018. PDF [Selected as highlights]
A.Z. Al-Attili, D. Burt, Z. Li, N. Higashitarumizu, F.Y. Gardes, K. Oda, Y. Ishikawa, and S. Saito, “Germanium vertically light-emitting micro-gears generating orbital angular momentum”, Opt. Express 26, 34675–34688, 2018. PDF [Selected as highlights]
N. Higashitarumizu and Y. Ishikawa, “Enhanced direct-gap light emission from Si- capped n+-Ge epitaxial layers on Si after post-growth rapid cyclic annealing: impact of non-radiative interface recombination toward Ge/Si double heterostructure lasers”, Opt. Express, 25, 21286–21300, 2017. PDF
D. Burt, A. Al-Attili, Z. Li, F. Gardès, M. Sotto, N. Higashitarumizu, Y. Ishikawa, K. Oda, O.M. Querin, S. Saito, and R. Kelsall, “Enhanced light emission from improved homogeneity in biaxially suspended Germanium membranes from curvature optimization”, Opt. Express 25, 22911, 2017. PDF
A.Z. Al-Attili, S. Kako, M.K. Husain, F.Y. Gardes, N. Higashitarumizu, S. Iwamoto, Y. Arakawa, Y. Ishikawa, H. Arimoto, K. Oda, T. Ido, and S. Saito, “Whispering Gallery Mode Resonances from Ge Micro-Disks on Suspended Beams”, Front. Mater. 2, 1, 2015. PDF
A.Z. Al-Attili, S. Kako, M.K. Husain, F.Y. Gardes, H. Arimoto, N. Higashitarumizu, S. Iwamoto, Y. Arakawa, Y. Ishikawa, and S. Saito, “Spin-on doping of germanium-on-insulator wafers for monolithic light sources on silicon”, Jpn. J. Appl. Phys. 54, 052101, 2015. PDF