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The George Washington University 

Scanning Probe Microscopy Laboratory
2023

Lin, L.; McCraw, M.R.; Uluutku, B.; Liu, Y.; Yan, D.; Horkowitz, A.; Soni, V.; Yao, X.; Limanowski, R.; Solares, S.D.; Beilis, I.I.; Keidar, M.; "Cell membrane oscillations under radiofrequency electromagnetic modulation," submitted.

McCraw, M.R.; Uluutku, B.; Solomon, H.D.; Anderson, M.S.; Sarkar, K.; Solares, S.D.;
"Optimizing the accuracy of viscoelastic characterization with AFM force-distance experiments in the time and frequency domains," Soft Matter, 2023, 19, 451-467.


2022

Solares, S.D.; Cartagena-Rivera, A.X.; "Frequency-dependent nanomechanical profiling for medical diagnosis," Beilstein J. Nanotech. 2022, 13, 1483-1489.

Uluutku, B.; McCraw, M.R.; Solares, S.D.; "Direct measurement of storage and loss behavior in AFM force-distance experiments using the modified Fourier transformation," J. Appl. Phys. 2022, 131, 165101.

Parvini, C.H.; Cartagena-Rivera, A.X.; Solares, S.D.; "Viscoelastic parametrization of human skin cells to characterize material behavior at multiple timescales," Comm. Biol. 2022, 5, 17.


2021


McCraw, M.R.; Uluutku, B.; Solares, S.D.; "Linear viscoelasticity: review of theory and applications in atomic force microscopy," Rep. Mech. Engn. 2021, 2, 156-179.

Susarla, S.; Chilkoor, G.; Saadi, M.A.S.R.; Kalimuthu, J.R.; Cui, Y.; Arif, T.; Tsafack, T; Puthirath, A.; Sudeep, P.M.; Hu, L.Q.; Hassan, A.; Castro-Pardo, S.; Barnes, M.; Verduzco, R.; Kibria, M.G.; Filleter, T.; Lin, H.Q.; Solares, S.D.; Koratkar, N.; Gadhamshetty, V.; Rahman, M.R.; Ajayan, P.M.; "Corrosion resistance of sulfur-selenium alloy coatings," Adv. Mat. 2021, 33, 2104467.

Uluutku, B.; López-Guerra, E.A.; Solares, S.D.; "A new method for obtaining model-free viscoelastic material properties from atomic force microscopy experiments using discrete integral transform techniques," Beilstein J. Nanotech. 2021, 12, 1063-1077. 

Maiti, R.; Saadi, M.A.S.R; Amin, R.; Ozecelic, O.; Uluutku, B.; Patil, C.; Suer, C.; Solares, S.D.; Sorger, V.J.; "Strain induced Modulation of local transport of 2D materials at the nanoscale," ACS Appl. Elec. Mat. 2021, 3, 3781-3788.

Forstenhäusler, M.; López-Guerra, E.A.; Solares, S.D.; "Guidelines to simulate linear viscoelastic materials with an arbitrary number of characteristic times in the context of atomic force microscopy," Facta Universitatis, Mechanical Engineering, 2021, 19, 133-153.


2020

​
Saadi, M.A.S.R.; Uluutku, B.; Parvini, C.H.; Solares, S.D.; "Soft sample deformation, damage and induced electromechanical property changes in contact- and tapping-mode atomic force microscopy," Surf. Topogr. Metrol. & Prop. 2020, 8, 045004. 

López-Guerra, E.A.; Solares, S.D.; "On the frequency dependence of viscoelastic material characterization with intermittent-contact atomic force microscopy: avoiding mischaracterization across large frequency ranges," Beilstein J. Nanotech. 2020, 11, 1409-1418.


Maiti, R.;  Patil, C.; Saadi, M.A.S.R.; Xie, T.; Azadani, J.G.; Uluutku, B.; Amin, R.; Briggs, A.F.; Miscuglio, M.; Van Thourhout, D.; Solares, S.D.; Low, T.; Agarwal, R.; Bank, S.R.; Sorger, V.J.; "Strain-engineered high-responsivity MoTe2 photodetector for silicon photonic integrated circuits," Nat. Photonics 2020, 14, 578-584.

Parvini, C.H.; Saadi, M.A.S.R.; Solares, S.D.; "Extracting viscoelastic material parameters using an atomic force microscope and static force spectroscopy,"  Beilstein J. Nanotech. 2020, 11, 922-937.

Uluutku, B.; Solares, S.D.; "Current measurements in the intermittent contact mode of atomic force microscopy using the Fourier method: a feasibility analysis," Beilstein J. Nanotech. 2020, 11, 453-465.

2019


Corbella, C.; Portal, S.; Saadi, M.A.S.R.; Solares, S.D.; Kundrapu, M.N.; Keidar, M.; "Few layer flakes of molybdenum disulphide produced by anodic arc discharge in pulsed mode," Plasma. Res. Express 2019, 1, 045009. 

López-Guerra, E.A.; Somnath, S.; Solares, S.D.; Jesse, S.; Ferrini, G.; "Few-cycle regime atomic force microscopy," Sci. Rep. 2019, 9, 12721.

López-Guerra, E.A.; Shen, H.; Solares, S.D.; Shuai, D.M.; "Acquisition of time-frequency localized mechanical properties of biofilms and single cells with high spatial resolution," Nanoscale 2019, 11, 8918-8929. 

Ahn, J.J.; Solares, S.D.; You, L.; Noh, H.; Kopanski, J.; Obeng, Y.; "Probe assisted localized doping of aluminium into silicon substrates," J. Appl. Phys. 2019, 125, 075706.

Shen, H.; López-Guerra, E.A.; Zhu, R.; Diba, T.; Zheng, Q.; Solares, S.D.; Zara, J.M.; Shuai, D.M.; Shen, Y.; "Visible-light-responsive photocatalyst of graphitic carbon nitride for pathogenic biofilm control," ACS Appl. Mater. Interf. 2019, 11, 373-384.


2018

Zhu, R.; Diaz, A.J.; Shen, Y.; Qi, F.; Chang, X.; Durkin, D.P.; Sun, Y.; Solares, S.D.; Shuai, D.M.; "Mechanism of humic acid fouling in a photocatalytic membrane system," J. Membrane Sci. 2018, 563, 531-540.

Sadewasser, S.; Nicoara, N.; Solares, S.D.; "Artefacts in time-resolved Kelvin probe force microscopy," Beilstein J. Nanotech. 2018, 9, 1272-1281.

López-Guerra, E.A.; Banfi, F.; Solares, S.D.; Ferrini, G.;
"Theory of single-impact atomic force spectroscopy in liquids with material contrast," Sci. Rep. 2018, 8, 7534.

Nikfarjam, M.; López-Guerra, E.; Solares, S.D.; Eslami, B.; "Imaging of viscoelastic soft matter with low indentation using higher eigenmodes in single-eigenmode amplitude-modulation atomic force microscopy,"​ Beilstein J. Nanotech. 2018, 9, 1116-1122.

Wang, S.; Li, T.; Chen, C.; Kong, W.; Zhu, S.; Dai, J.; Diaz, A.J.; Hitz, E.; Solares, S.D.; Li, T.; Hu, L.; "Transparent, anisotropic biofilm with aligned bacterial cellulose nanofibers," Adv. Funct. Mat. 2018, 28, 1707491.

2017


López-Guerra, E.A.; Solares, S.D.; "Material property analytical relations for the case of an AFM probe tapping a viscoelastic surface containing multiple characteristic times," Beilstein J. Nanotech. 2017, 8, 2230-2244.

Diaz, A.J.; Noh, H.; Meier, T.; Solares, S.D.; "High-stress study of bio-inspired multi-functional PEDOT:PSS/nanoclay nanocomposites using AFM, SEM and numerical simulation," Beilstein J. Nanotech. 2017, 8, 2069-2082.

Nikfarjam, M.; López-Guerra, E.A.; Solares, S.D.; Eslami, B.; "Higher mode tricks in multifrequency AFM: optimizing sensitivity and indentation depth," Imaging & Microscopy 2017, issue 3, 38-39.

Noh, H.; Diaz, A.J.; Solares, S.D.; "Analysis and modification of defective surface aggregates on PCDTBT:PCBM solar cell blends using combined Kelvin probe, conductive and bimodal atomic force microscopy," Beilstein J. Nanotech. 2017, 8, 579-589.

López-Guerra, E.A.; Eslami, B.; Solares, S.D.; 
"Calculation of standard viscoelastic responses with multiple retardation times through analysis of static force spectroscopy AFM data," J. Pol. Sci. Part B 2017, 55, 804-813.

Eslami, B.; Solares, S.D.; "Imaging of surface nanobubbles by atomic force microscopy in liquids: influence of the drive frequency on the characterization of ultra-soft matter," ​Microscopy Research and Technique 2017, 80, 41-49.

2016


Meier, T.; Solares, S.D.; "Rhodamine-doped nanoporous polymer films as high-performance anti-reflection coatings and optical filters," Nanoscale 2016, 8, 17675-17685.

Eslami, B.; Raftari, M.; López-Guerra E.A.; Solares, S.D.; "Evolution of nano-rheological properties of Nafion® thin films during pH modification by strong base treatment: A static and dynamic force spectroscopy study," J. Appl. Phys. 2016, 119, 165301.

Solares, S.D.; "Nanoscale effects in the characterization of viscoelastic materials with atomic force microscopy: coupling of a quasi 3-dimensional standard linear solid model with in-plane surface interactions,"
​ Beilstein J. Nanotech. 2016, 7, 554-571.

Eslami, B.; Solares, S.D.; "Experimental approach for selecting the excitation frequency for maximum compositional contrast in viscous environments for piezo-driven bimodal atomic force microscopy," J. Appl. Phys. 2016, 119, 084901.

Meier, T.; Eslami, B.; Solares, S.D.; "Multifrequency force microscopy using flexural and torsional modes in liquid: atomic resolution imaging of calcite (10-14)," Nanotechnology 2016, 27, 085702.


2015


Solares, S.D.; "A simple and efficient quasi 3-dimensional viscoelastic model and software for simulation of tapping-mode atomic force microscopy," Beilstein J. Nanotech. 2015, 6, 2233-2241.

Ebeling, D.; Eslami, B.; Solares, S.D.; "Subsurface imaging of soft matter by AFM," Imaging & Microscopy 2015, issue 2, 25-27.

Ezzeldin, H.M.; de Tullio, M.D.; Vanella, M.; Solares, S.D.; Balaras, E.; "A strain-based model for mechanical hemolysis based on a coarse-grained red blood cell model," Annals Biomed. Eng. 2015, 43, 1398-1409.

Eslami, B.; López-Guerra, E.A.; Diaz, A.J.; Solares, S.D.; "Optimization of the excitation frequency for high probe sensitivity in single-eigenmode and bimodal tapping-mode AFM," Nanotechnology 2015, 26, 165703.


2014


López-Guerra, E.A.; Solares, S.D.; "Modeling viscoelasticity through spring-dashpot models in intermittent-contact atomic force microscopy," Beilstein J. Nanotech. 2014, 5, 2149-2163.

An, S.; Solares, S.D.; Santos, S.; Ebeling, D.; "Energy transfer between eigenmodes in multimodal atomic force microscopy,"
Nanotechnology 2014, 25, 475701.

Long, C.J.; Ebeling, D.; Solares, S.D.; Cannara, R.; "Friction imprint effect in mechanically cleaved (001) BaTiO3," J. Appl. Phys. 2014, 116, 124107.

Solares, S.D.; An, S.; Long, C.J.; "Multifrequency tapping-mode atomic force microscopy beyond three eigenmodes in ambient air," Beilstein J. Nanotech. 2014, 5, 1637-1648.

Solares, S.D; "Probing viscoelastic surfaces with bimodal tapping-mode atomic force microscopy: Underlying physics and observables for a standard linear solid model," Beilstein J. Nanotech. 2014, 5, 1649-1663.

Diaz, A.J.; Eslami, B.; López-Guerra, E.A.; Solares, S.D.; "Selection of higher eigenmode amplitude Based on dissipated power and virial contrast in bimodal atomic force microscopy," J. Appl. Phys. 2014, 116, 104901.

Zhu, S.; Huang, Y.; Klimov, N.K.; Newell, D.B.; Zhitenev, N.B.; Stroscio, J.A.; Solares, S.D.; Li, T.; "Pseudomagnetic fields in a locally strained graphene drumhead," Phys. Rev. B 2014, 90, 075426.

Eslami, B.; Ebeling, D.; Solares, S.D.; "Trade-offs in sensitivity and sampling depth in bimodal atomic force microscopy and comparison to the trimodal case," Beilstein J. Nanotech. 2014, 5, 1144–1151.

Sinha, K.; Farley, D.; Kahnerta, T.; Solares, S.D.; Dasgupta, A.; Caers, J.F.J.; Zhao, X.J.; “Influence of fabrication parameters on bond strength of adhesively bonded flip-chip interconnects,” J. Adh. Sci. & Technol. 2014, 28, 1167-1191.

Solares, S.D.; “Challenges and complexities of multifrequency atomic force microscopy in liquid environments,” Beilstein J. Nanotech. 2014, 5, 298-307.

Stan, G.; Solares, S.D.; “Frequency, amplitude, and phase measurements in contact resonance atomic force microscopies,” Beilstein J. Nanotech. 2014, 5, 278-288.

Stan, G.; Solares, S.D.; Pittenger, B.; Erina, N.; Su, C.M.; “Nanoscale mechanics by tomographic contact resonance atomic force microscopy,” Nanoscale 2014, 6, 962-969.

2013


Ebeling, D.; Eslami, B.; Solares, S.D.; “Visualizing the subsurface of soft matter: simultaneous topographical imaging, depth modulation, and compositional mapping with triple frequency atomic force microscopy,” ACS Nano 2013, 7, 10387-10396.

Varongchayakul, N.; Johnson, S.; Quabili, T.; Cappello, J.; Ghandehari, H.; Solares, S.D.; Hwang, W.; Seog, J.; “Direct observation of amyloid nucleation under nanomechanical Stretching,” ACS Nano 2013, 7, 7734-7743.

Wright, C.A.; Solares, S.D.; “Computational study of tip apex symmetry characterization in high-resolution atomic force microscopy,” J. Phys. D: Applied Physics 2013, 46, 155307.

Ebeling, D.; Solares, S.D.; “Amplitude modulation dynamic force microscopy imaging in liquids with atomic resolution: comparison of phase contrasts in single and dual mode operation,” Nanotechnology 2013, 24, 135702.

Ebeling, D.; Solares, S.D.; “Bimodal atomic force microscopy driving the higher eigenmode in frequency-modulation mode: Implementation, advantages, disadvantages and comparison to the open-loop case,” Beilstein J. Nanotech. 2013, 4, 198-207.

Williams, J.C.; Solares, S.D; “Towards 4-dimensional atomic force spectroscopy using the spectral inversion method,” Beilstein J. Nanotech. 2013, 4, 87-93.

Deng, Z.; Klimov, N.N.; Solares, S.D.; Li, T.; Xu, H.; Cannara, R.J.; “Nanoscale interfacial friction and adhesion on supported versus suspended monolayer and multilayer graphene,” Langmuir 2013, 29, 235-243.

2012


Johnson, S.; Ko, Y.-K.; Varongchayakul, N.; Lee, S.; Cappello, J.; Ghandehari, H.; Lee, S.B.; Solares, S.D.; Seog, J.; “Directed patterning of the self-assembled silk-elastin-like nanofibers using a nanomechanical stimulus,” Chem. Comm. 2012, 48, 10654-10656.

Wright, C.A; Solares, S.D.; “Imaging of sub-atomic electron cloud interactions: effect of higher harmonics processing in noncontact atomic force microscopy,” Appl. Phys. Lett. 2012, 100, 163104.

Klimov, N.N.; Jung, S.; Zhu, S.; Li, T.; Wright, C.A.; Solares, S.D.; Newell, D.B.; Zhitenev, N.B.; Stroscio, J.A.; “Electromechanical properties of graphene drumheads,” Science 2012, 336, 1557-1561.

Ezzeldin, H.M.; Solares, S.D.; Klauda, J.B.; “Modeling of the major gas vesicle protein, GvpA: from protein sequence to vesicle wall structure,” J. Struct. Biol. 2012, 179, 18-28.

Munday, L.B.; Solares, S.D.; Chung, P.W.; “Generalized stacking faults in the molecular crystal αRDX,” Phil. Mag. 2012, 92, 3036-3050.

Solares, S.D.; “Analysis of the contrast mechanism in bimodal atomic force microscopy combining amplitude modulation and band excitation,” J. Appl. Phys. 2012, 111, 054909.

Guo, S.; Solares, S.D.; Mochalin, V.; Neitzel, I.; Gogotsi, Y.; Kalinin, S.V.; Jesse, S.; “Multifrequency imaging in the intermittent contact mode of atomic force microscopy: beyond phase imaging,” Small 2012, 8, 1264-1269.

Kareem, A.U.; Solares, S.D.; “Characterization of surface stiffness and probe-sample dissipation using the band excitation method of atomic force microscopy: A numerical analysis,” Nanotechnology 2012, 23, 015706.
Last updated 12/9/2022