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Research Output 1991 2020

Article

Realization of unidirectional planar GaAs nanowires on GaAs (110) substrates

Dowdy, R., Walko, D. A., Fortuna, S. A. & Li, X., Apr 1 2012, In : IEEE Electron Device Letters. 33, 4, p. 522-524 3 p., 6165635.

Research output: Contribution to journalArticle

Nanowires
Substrates
MESFET devices
Electron beam lithography
X ray diffraction analysis

Relationship between planar GaAs nanowire growth direction and substrate orientation

Dowdy, R. S., Walko, D. A. & Li, X., Jan 25 2013, In : Nanotechnology. 24, 3, 035304.

Research output: Contribution to journalArticle

Nanowires
Substrates
Organic Chemicals
Organic chemicals
Chemical vapor deposition

RF performance of planar III-V nanowire-array transistors grown by vapor-liquid-solid epitaxy

Chabak, K. D., Miao, X., Zhang, C., Walker, D. E., Mohseni, P. K. & Li, X., May 1 2015, In : IEEE Electron Device Letters. 36, 5, p. 445-447 3 p., 7072468.

Research output: Contribution to journalArticle

Epitaxial growth
Nanowires
Transistors
Vapors
Liquids

Scalable monolithically grown AlGaAs-GaAs planar nanowire high-electron-mobility transistor

Miao, X. & Li, X., Sep 1 2011, In : IEEE Electron Device Letters. 32, 9, p. 1227-1229 3 p., 5955069.

Research output: Contribution to journalArticle

High electron mobility transistors
Nanowires
Field effect transistors
Threshold voltage
Epitaxial growth

Scaling junctionless multigate field-effect transistors by step-doping

Song, Y. & Li, X., Dec 1 2014, In : Applied Physics Letters. 105, 22, 223056.

Research output: Contribution to journalArticle

fins
field effect transistors
scaling
threshold voltage
leakage

Scaling the Aspect Ratio of Nanoscale Closely Packed Silicon Vias by MacEtch: Kinetics of Carrier Generation and Mass Transport

Kim, J. D., Mohseni, P. K., Balasundaram, K., Ranganathan, S., Pachamuthu, J., Coleman, J. J. & Li, X., Mar 24 2017, In : Advanced Functional Materials. 27, 12, 1605614.

Research output: Contribution to journalArticle

Silicon
aspect ratio
Aspect ratio
Etching
Mass transfer

Selective enhancement of 1540 nm Er3+ emission centers in Er-implanted GaN by Mg codoping

Kim, S., Rhee, S. J., Li, X., Coleman, J. J. & Bishop, S. G., Apr 24 2000, In : Applied Physics Letters. 76, 17, p. 2403-2405 3 p.

Research output: Contribution to journalArticle

photoluminescence
augmentation
excitation
traps
pumps

Self-Anchored Catalyst Interface Enables Ordered Via Array Formation from Submicrometer to Millimeter Scale for Polycrystalline and Single-Crystalline Silicon

Kim, J. D., Kim, M., Kong, L., Mohseni, P. K., Ranganathan, S., Pachamuthu, J., Chim, W. K., Chiam, S. Y., Coleman, J. J. & Li, X., Mar 14 2018, In : ACS Applied Materials and Interfaces. 10, 10, p. 9116-9122 7 p.

Research output: Contribution to journalArticle

Silicon
Etching
Crystalline materials
Catalysts
Metals

Self-Folded Gripper-Like Architectures from Stimuli-Responsive Bilayers

Abdullah, A. M., Li, X., Braun, P. V., Rogers, J. A. & Hsia, K. J., Aug 2 2018, In : Advanced Materials. 30, 31, 1801669.

Research output: Contribution to journalArticle

Grippers
Hinges
Intelligent structures
Polydimethylsiloxane
Organic solvents

Silicon nanowires with controlled sidewall profile and roughness fabricated by thin-film dewetting and metal-assisted chemical etching

Azeredo, B. P., Sadhu, J., Ma, J., Jacobs, K., Kim, J., Lee, K., Eraker, J. H., Li, X., Sinha, S., Fang, N., Ferreira, P. & Hsu, K., Jun 7 2013, In : Nanotechnology. 24, 22, 225305.

Research output: Contribution to journalArticle

Silicon
Nanowires
Etching
Surface roughness
Metals

Site-controlled VLS growth of planar nanowires: Yield and mechanism

Zhang, C., Miao, X., Mohseni, P. K., Choi, W. & Li, X., Dec 10 2014, In : Nano letters. 14, 12, p. 6836-6841 6 p.

Research output: Contribution to journalArticle

Nanowires
nanowires
Vapors
vapors
Liquids

Spatially resolved band-edge emission from partially coalesced GaN pyramids prepared by epitaxial lateral overgrowth

Li, X., Bohn, P. W., Kim, J., White, J. O. & Coleman, J. J., May 22 2000, In : Applied Physics Letters. 76, 21, p. 3031-3033 3 p.

Research output: Contribution to journalArticle

pyramids
cathodoluminescence
metalorganic chemical vapor deposition
luminescence
Raman spectra

Spectroscopic signatures of structural aufbau in (benzene)n; n=7-19

Easter, D. C., Li, X. & Whetten, R. L., Jan 1 1991, In : The Journal of Chemical Physics. 95, 9, p. 6362-6370 9 p.

Research output: Contribution to journalArticle

Helium
Benzene
Ionization
Photons
benzene

Spectroscopic studies of the modification of crystalline si(111) surfaces with covalently-attached alkyl chains using a chlorination/alkylation method

Bansal, A., Li, X., Yi, S. I., Weinberg, W. H. & Lewis, N. S., Oct 25 2001, In : Journal of Physical Chemistry B. 105, 42, p. 10266-10277 12 p.

Research output: Contribution to journalArticle

chlorination
Chlorination
Halogenation
alkylation
Alkylation

Stability islands for doubly charged clusters below the kinetic critical size

Li, X. & Whetten, R. L., Aug 28 1992, In : Chemical Physics Letters. 196, 6, p. 535-540 6 p.

Research output: Contribution to journalArticle

Alkali halides
Photons
Irradiation
Kinetics
kinetics

Sub-100 nm Si nanowire and nano-sheet array formation by MacEtch using a non-lithographic InAs nanowire mask

Shin, J. C., Zhang, C. & Li, X., Aug 3 2012, In : Nanotechnology. 23, 30, 305305.

Research output: Contribution to journalArticle

Silicon
Nanowires
Masks
Etching
Metals

Surface photoabsorption monitoring of the growth of GaAs and InGaAs at 650°C by MOCVD

Kim, Y. D., Nakamura, F., Yoon, E., Forbes, D. V., Li, X. & Coleman, J. J., Oct 1997, In : Journal of Electronic Materials. 26, 10, p. 1164-1168 5 p.

Research output: Contribution to journalArticle

Metallorganic chemical vapor deposition
photoabsorption
Semiconductor quantum wells
metalorganic chemical vapor deposition
Photoluminescence

Temperature dependence of photoluminescence spectra from multiple Er3+ sites in Er-implanted undoped and Mg-doped GaN

Kim, S., Rhee, S. J., White, J. O., Mitofsky, A. M., Li, X., Papen, G. C., Coleman, J. J. & Bishop, S. G., Apr 24 2001, In : Materials Science and Engineering B: Solid-State Materials for Advanced Technology. 81, 1-3, p. 136-139 4 p.

Research output: Contribution to journalArticle

Photoluminescence
photoluminescence
temperature dependence
Photoluminescence spectroscopy
Temperature

The incorporation of arsenic in GaN by metalorganic chemical vapor deposition

Li, X., Kim, S., Reuter, E. E., Bishop, S. G. & Coleman, J. J., Dec 1 1998, In : Applied Physics Letters. 72, 16, p. 1990-1992 3 p.

Research output: Contribution to journalArticle

arsenic
metalorganic chemical vapor deposition
cathodoluminescence
luminescence
impurities

Thermal conductivity of silicon nanowire arrays with controlled roughness

Feser, J. P., Sadhu, J. S., Azeredo, B. P., Hsu, K. H., Ma, J., Kim, J., Seong, M., Fang, N. X., Li, X., Ferreira, P. M., Sinha, S. & Cahill, D. G., Dec 1 2012, In : Journal of Applied Physics. 112, 11, 114306.

Research output: Contribution to journalArticle

nanowires
roughness
thermal conductivity
silicon
phonons

Three-dimensional radio-frequency transformers based on a self-rolled-up membrane platform /639/166/987 /639/925/927/1007 article

Huang, W., Zhou, J., Froeter, P. J., Walsh, K., Liu, S., Kraman, M. D., Li, M., Michaels, J. A., Sievers, D. J., Gong, S. & Li, X., May 1 2018, In : Nature Electronics. 1, 5, p. 305-313 9 p.

Research output: Contribution to journalArticle

transformers
radio frequencies
platforms
membranes
Membranes

Time-dependent study of low energy electron beam irradiation of Mg-doped GaN grown by metalorganic chemical vapor deposition

Li, X. & Coleman, J. J., Sep 9 1996, In : Applied Physics Letters. 69, 11, p. 1605-1607 3 p.

Research output: Contribution to journalArticle

metalorganic chemical vapor deposition
electron beams
irradiation
annealing
energy

Topography and refractometry of nanostructures using spatial light interference microscopy

Wang, Z., Chun, I. S., Li, X., Ong, Z. Y., Pop, E., Millet, L., Gillette, M. & Popescu, G., Jan 15 2010, In : Optics Letters. 35, 2, p. 208-210 3 p.

Research output: Contribution to journalArticle

topography
microscopy
interference
neurons
decoupling

Toward intelligent synthetic neural circuits: Directing and accelerating neuron cell growth by self-rolled-up silicon nitride microtube array

Froeter, P., Huang, Y., Cangellaris, O. V., Huang, W., Dent, E. W., Gillette, M. U., Williams, J. C. & Li, X., Nov 25 2014, In : ACS Nano. 8, 11, p. 11108-11117 10 p.

Research output: Contribution to journalArticle

Cell growth
Silicon nitride
neurons
silicon nitrides
Neurons

Transfer-Printing of Tunable Porous Silicon Microcavities with Embedded Emitters

Ning, H., Krueger, N. A., Sheng, X., Keum, H., Zhang, C., Choquette, K. D., Li, X., Kim, S., Rogers, J. A. & Braun, P. V., Nov 19 2014, In : ACS Photonics. 1, 11, p. 1144-1150 7 p.

Research output: Contribution to journalArticle

Printing
Microcavities
Porous silicon
Silicon
porous silicon

Trap-mediated excitation of Er 3+ photoluminescence in Er-implanted GaN

Kim, S., Rhee, S. J., Turnbull, D. A., Li, X., Coleman, J. J., Bishop, S. G. & Klein, P. B., Nov 3 1997, In : Applied Physics Letters. 71, 18, p. 2662-2664 3 p.

Research output: Contribution to journalArticle

traps
photoluminescence
excitation
pumping
quenching

Tuning the photoluminescence characteristics with curvature for rolled-up GaAs quantum well microtubes

Chun, I. S., Bassett, K., Challa, A. & Li, X., Jun 21 2010, In : Applied Physics Letters. 96, 25, 251106.

Research output: Contribution to journalArticle

tuning
curvature
quantum wells
tubes
photoluminescence

Ultra-High Aspect Ratio InP Junctionless FinFETs by a Novel Wet Etching Method

Song, Y., Mohseni, P. K., Kim, S. H., Shin, J. C., Ishihara, T., Adesida, I. & Li, X., Aug 2016, In : IEEE Electron Device Letters. 37, 8, p. 970-973 4 p., 7485851.

Research output: Contribution to journalArticle

Wet etching
Aspect ratio
Indium phosphide
Dry etching
Gate dielectrics

Ultra-Small, High-Frequency, and Substrate-Immune Microtube Inductors Transformed from 2D to 3D

Yu, X., Huang, W., Li, M., Comberiate, T. M., Gong, S., Schutt-Aine, J. E. & Li, X., Apr 27 2015, In : Scientific reports. 5, 9661.

Research output: Contribution to journalArticle

Integrated circuits
Substrates
Strip metal
Silicon nitride
Nanotechnology

Ultrathin InAs nanowire growth by spontaneous Au nanoparticle spreading on indium-rich surfaces

Jung, K., Mohseni, P. K. & Li, X., Dec 21 2014, In : Nanoscale. 6, 24, p. 15293-15300 8 p.

Research output: Contribution to journalArticle

Indium
Nanowires
Nanoparticles
Supersaturation
Stacking faults

Ultrathin Silicon Nanomembrane in a Tubular Geometry for Enhanced Photodetection

Xu, C., Pan, R., Guo, Q., Wu, X., Li, G., Huang, G., An, Z., Li, X. & Mei, Y., Nov 1 2019, In : Advanced Optical Materials. 7, 21, 1900823.

Research output: Contribution to journalArticle

Silicon
Photodetectors
photometers
Geometry
silicon

Ultraviolet absorption bands of [Csn+1In]+ (n<14) clusters

Li, X. & Whetten, R. L., Mar 1 1993, In : Zeitschrift für Physik D Atoms, Molecules and Clusters. 26, 1, p. 198-200 3 p.

Research output: Contribution to journalArticle

ultraviolet absorption
charge transfer
absorption spectra
alkali halides
optical spectrum

Ultraviolet absorption bands of ionic compound clusters: Onset of crystalline structures in [Csn+1In]+, n=1-13

Li, X. & Whetten, R. L., Jan 1 1993, In : The Journal of Chemical Physics. 98, 8, p. 6170-6175 6 p.

Research output: Contribution to journalArticle

ultraviolet absorption
Nanocrystals
Absorption spectra
Crystalline materials
absorption spectra
ultrahigh frequencies
linearity
radio frequencies
nanowires
field effect transistors

Wafer-scale production of uniform InAsyP1-ynanowire array on silicon for heterogeneous integration

Shin, J. C., Lee, A., Katal Mohseni, P., Kim, D. Y., Yu, L., Kim, J. H., Kim, H. J., Choi, W. J., Wasserman, D., Choi, K. J. & Li, X., Jun 25 2013, In : ACS Nano. 7, 6, p. 5463-5471 9 p.

Research output: Contribution to journalArticle

Silicon
Nanowires
wafers
Lattice mismatch
silicon

Wide-range correlated color temperature light generation from resonant cavity hybrid quantum dot light-emitting diodes

Chen, K. J., Lin, C. C., Han, H. V., Lee, C. Y., Chien, S. H., Wang, K. Y., Chiu, S. H., Tu, Z. Y., Li, J. R., Chen, T. M., Li, X., Shih, M. H. & Kuo, H. C., Jul 1 2015, In : IEEE Journal on Selected Topics in Quantum Electronics. 21, 4, 7046267.

Research output: Contribution to journalArticle

Cavity resonators
cavity resonators
Semiconductor quantum dots
Light emitting diodes
light emitting diodes
Chapter

Vapor-Liquid-Solid Growth of Semiconductor Nanowires

Redwing, J. M., Miao, X. & Li, X., Dec 17 2014, Handbook of Crystal Growth: Thin Films and Epitaxy: Second Edition. Elsevier Inc., Vol. 3. p. 399-439 41 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

nanowires
vapors
liquids
energy conversion
synthesis
Conference article

Annealing studies of photoluminescence spectra from multiple Er3+ centers in Er-implanted GaN

Kim, S., Rhee, S. J., Li, X., Coleman, J. J. & Bishop, S. G., Mar 1999, In : Journal of Electronic Materials. 28, 3, p. 266-274 9 p.

Research output: Contribution to journalConference article

Photoluminescence
Annealing
photoluminescence
annealing
Energy gap

Characterization of As-grown and ion-implanted GaN by photoluminescence and photoluminescence excitation spectroscopy

Kim, S., Rhee, S. J., Turnbull, D. A., Reuter, E. E., Li, X., Coleman, J. J. & Bishop, S. G., Jan 1 1997, In : LEOS Summer Topical Meeting. p. 52-53 2 p.

Research output: Contribution to journalConference article

Photoluminescence
Spectroscopy
photoluminescence
Ions
spectroscopy

Correlation of surface morphology and optical properties of GaN by conventional and selective-area MOCVD

Li, X., Jones, A. M., Roh, S. D., Turnbull, D. A., Reuter, E. E., Gu, S. Q., Bishop, S. G. & Coleman, J. J., Jan 1 1996, In : Materials Research Society Symposium - Proceedings. 395, p. 943-948 6 p.

Research output: Contribution to journalConference article

Metallorganic chemical vapor deposition
Epitaxial growth
epitaxy
metalorganic chemical vapor deposition
Surface morphology

Development of Ultra-Thin GaAs Photocathodes

Dowdy, R., Attenkofer, K., Frisch, H., Lee, S. W., Li, X. & Ross, S. R., Jan 1 2012, In : Physics Procedia. 37, p. 976-984 9 p.

Research output: Contribution to journalConference article

photocathodes
photoelectrons
cathodes
emittance
mean free path

GaN: from selective area to epitaxial lateral overgrowth

Li, X., Bishop, S. G. & Coleman, J. J., Dec 1 1999, In : Materials Research Society Symposium - Proceedings. 537

Research output: Contribution to journalConference article

Cathodoluminescence
cathodoluminescence
Topography
topography
Optical properties

Nano-electro-mechanical systems fabricated using tip-based nanofabrication

Hu, H., Mohseni, P. K., Shannon, M. A., Li, X. & King, W. P., Aug 12 2013, In : Proceedings of SPIE - The International Society for Optical Engineering. 8725, 87250P.

Research output: Contribution to journalConference article

Nanofabrication
nanofabrication
Silicon
Nanotechnology
Mechanical Systems

On the incorporation of arsenic (As) in GaN films by conventional MOCVD

Li, X., Kim, S., Bishop, S. G. & Coleman, J. J., Jan 1 1997, In : LEOS Summer Topical Meeting. 1 p.

Research output: Contribution to journalConference article

Metallorganic chemical vapor deposition
Arsenic
arsenic
metalorganic chemical vapor deposition
Excitons

Photoluminescence and photoluminescence excitation spectroscopy of in situ Er-doped and Er-implanted GaN films grown by hydride vapor phase epitaxy

Kim, S., Li, X., Coleman, J. J., Zhang, R., Hansen, D. M., Kuech, T. F. & Bishop, S. G., Dec 1 1999, In : Materials Research Society Symposium - Proceedings. 537, p. G11.4

Research output: Contribution to journalConference article

Vapor phase epitaxy
Hydrides
vapor phase epitaxy
hydrides
Photoluminescence

Photoluminescence quenching spectroscopy of trap-mediated Er3+ excitation mechanisms in Er-implanted GaN

Rhee, S. J., Kim, S., Li, X., Coleman, J. J. & Bishop, S. G., Dec 1 1997, In : Materials Research Society Symposium - Proceedings. 482, p. 667-672 6 p.

Research output: Contribution to journalConference article

Quenching
Photoluminescence
quenching
traps
Spectroscopy

Site-selective photoluminescence excitation and photoluminescence spectroscopy of Er-implanted wurtzite GaN

Kim, S., Rhee, S. J., Turnbull, D. A., Li, X., Coleman, J. J. & Bishop, S. G., Jan 1 1997, In : Materials Research Society Symposium - Proceedings. 468, p. 131-136 6 p.

Research output: Contribution to journalConference article

Photoluminescence spectroscopy
wurtzite
Photoluminescence
photoluminescence
spectroscopy
Conference contribution

3D nanoscale pattern formation in porous silicon

Chun, I. S., Chow, E. K. & Li, X., Jan 1 2008, Conference on Lasers and Electro-Optics, CLEO 2008. Optical Society of America, (Optics InfoBase Conference Papers).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Porous silicon
porous silicon
Metals
metals
Etching

3D Nanoscale pattern formation in porous silicon

Chun, I. S., Chow, E. K. & Li, X., Sep 15 2008, 2008 Conference on Quantum Electronics and Laser Science Conference on Lasers and Electro-Optics, CLEO/QELS. 4551902. (2008 Conference on Quantum Electronics and Laser Science Conference on Lasers and Electro-Optics, CLEO/QELS).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Porous silicon
Metals
Etching
Processing

A large area monolayer WS2 laser based on surface-emitting heterostructure photonic crystal cavities

Ge, X., Minkov, M., Li, X., Fan, S. & Zhou, W., Jan 1 2018, CLEO: Applications and Technology, CLEO_AT 2018. OSA - The Optical Society, (Optics InfoBase Conference Papers; vol. Part F92-CLEO_AT 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Photonic crystals
Heterojunctions
Monolayers
Lasers
Temperature