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Huifang Xu - Publications


2009
Wang Y., Gao, H. and Xu, H. (2009) Nanogeochemistry: Nanostructures and their reactivity in natural systems. In: A. Parker and H. Russell, eds., Contribution of Geochemistry to the Study of the Planet, Wiley-Blackwell (under review).

Xu, H., Chen, T., and Konishi, H. (2009) HRTEM investigation of trilling todorokite and nano-phases in manganese dendrites.  American Mineralogist (in revision).

Biswas , K. C., Woodards, N. A., Xu, H., and Barton, L. L. (2009) Reduction of molybdate by sulfate-reducing bacteria. Biometals, 22, 131-139.

Fu, Q., Lu, P., Konishi, H., Dilmore, R., Xu, H., Seyfried Jr., W. E., Zhu, C. (2009) Coupled alkali-feldspar dissolution and secondary mineral precipitation in batch systems: 1. New experiments at 200 °C and 300 bars. Chemical Geology, 258, 125-135.

Wang Y., Xu, H., Merino, E., and Konishi, H. (2009) Origin of banded iron formations: Oceanic crust leaching & self-organized mineral banding. Nature Geoscience, (in revision).

Konishi, H., Xu, H., and Dymek, R. F. (2009) TEM investigation of Jimthompsonite, chesterite, and chain-width disorder in Archaean ultramafic rocks from Isua, Greenland.  American Mineralogist (in revision).

Barnard, A. S., Young, N. P. Kirkland, A. I., van Huis, M. A., and Xu, H. (2009) Nanogold: A Quantitative Phase Map. ACS Nano, 3 (6), 1431-1436.

2008
Barnard, A. S. and Xu, H. (2008) An environmentally sensitive phase map of titania nanocrystals. ACS NANO, 2 (11), pp 2237–2242. (The discovery was reported in November issue (Vol. 8, Issue 22) of “Materials 360, The Global View”, a Newsletter of the Materials Research Society. (Also reported in Nanowerk Spotlight.)

Huberty, J., and Xu, H. (2008) Kinetics study on phase transformation from titania polymorph brookite to rutile. Journal of Solid State Chemistry, 181, 508-514.

Yeredla, R.R., and Xu, H. (2008) Incorporating Strong Polarity Minerals of Tourmaline with Semiconductor Titania to Improve the Photosplitting of Water. Journal of Physical Chemistry C, 112(2), 532-539.

Yeredla, R.R., and Xu, H. (2008) An investigation of the nanostructured rutile and anatase plates for improving the photosplitting of water. Nanotechnology, 19, 055706 (10pp). (A highlighted article in nanotechweb.)

Konishi, H., Buseck, P.R., Xu, H., and Li, X. (2008) Proto-Polymorphs of jimthompsonite and chesterite in contact-metamorphosed serpentinites from Japan. American Mineralogist, 93, 351-359.

Ciardelli M. C., Xu H. and Sahai N. (2008) Role of Fe(II), phosphate, silicate, sulfate and carbonate in arsenic uptake by coprecipitation in synthetic and natural groundwater. Water Res. 42, 615-624.

2007
Barnard, A. S., and Xu, H. (2007) First Principles and Thermodynamic Modeling of CdS Surfaces and Nanorods. Journal of Physical Chemistry,  C111, 18112-18117.

Hongseok Choi, Hiromi Konishi, Huifang Xu, and Xiaochun Li (2007) Embedding of micro thin film sensors in sapphire by diffusion bonding. J. Micromech. Microeng. 17 (2007) 2248-2252.

Sahai N., Lee Y., Xu, H., Ciardelli M. and Gaillard J.-F. (2007) Role of Fe(II) and phosphate in arsenic uptake by coprecipitation. Geochim. Cosmochim. Acta 71, 3193-3210.

Shelobolina, E. S., Maddalena V. Coppi, Anton A. Korenevsky, Laurie N. DiDonato, Sara A. Sullivan, Hiromi Konishi, Huifang Xu, Ching Leang, Jessica E. Butler, Byoung-Chan Kim and Derek R. Lovley (2007) Importance of c-Type cytochromes for U(VI) reduction by Geobacter sulfurreducens. BMC Microbiology, doi: 10.1186/1471-2180-7-16.

Wang, Y., Gao, H., Yeredla, R., R., Xu, H., Abrecht, M. (2007) Control of pertechnetate sorption on activated carbon by surface functional groups. Journal of Colloid and Interface Science, 305, 209-217.

Sun, S. and Xu, H. (2007) Determining the Shear Strength of Unsaturated Silt. In T. Schanz ed. “Experimental Unsaturated Soil Mechanics.” Springer, Berlin. pp. 195-206.

2006
Xu, H., Vanamu, G., Nie, Z., Konishi, H., Yeredla, R. R., Phillips, J., and Wang, Y. (2006) Photocatalytic Oxidation of a Volatile Organic Component of Acetaldehyde Using Titanium Oxide Nanotubes. Journal of Nanomaterials, vol. 2006, Article ID 78902, 8 pages, 2006.

Wang, Y., and Xu, H. (2006) Geochemical chaos: periodic and nonperiodic growth of mixed-layer phyllosilicates, Geochimica et Cosmochimica Acta, 70, 1995-2005.

Narayanaswamy, A., Xu, H., Pradhan, N., Kim, M., and Peng, X. (2006) Formation of nearly monodisperse In2O3 nanodots and oriented-attached nanoflowers: hydrolysis and alcoholysis vs pyrolysis. Journal of American Chemical Society, 128, 10310-10319. 

Narayanaswamy, A., Xu, H., Pradhan, N., and Peng, X. (2006) Crystalline nanoflowers with different chemical compositions and physical properties grown by limited ligand protection. Angew. Chem. Int. Ed., 45, 5361 –5364. (Feature article)

Jin, Y., Xu, H., and Datye, A. K. (2006) Electron Energy Loss Spectroscopy (EELS) of Iron Fischer-Tropsch Catalysts. Microscopy and Microanalysis, 12, 124–134.

Yang, X., Konishi, H., Xu, H., and Wu M. (2006) Comparative Sol–Hydro(Solvo)thermal Synthesis of TiO2 Nanocrystals. Eur. J. Inorg. Chem., 2229–2235.

Barnard, A. S., Xu, H., Li, X., Pradhan, N., and Peng, X (2006) Modeling the Formation of High Aspect CdSe Quantum Wires: Axial-Growth versus Oriented-Attachment Mechanisms. Nanotechnology, 17, 5707-5714.

Barnard, A. S., Yeredla, R. R., and Xu, H. (2006) Modeling the effect of particle shape on the phase stability of ZrO2 nanoparticles. Nanotechnology, 17, 3039-3047.

Pradhan, N., Xu, H., and Peng, X. (2006) Colloidal CdSe quantum wires by oriented attachment. Nano Letters, 6, 720-724. 

Hua, B., Xu, H., Terry, J., and Deng, B. (2006) Kinetics of Uranium (VI) Reduction by Hydrogen Sulfide in Anoxic Aqueous Systems. Environmental Science and Technology, 40, 4666-71.

Wang, X., Lu, H. Xu, H., Deng C., Chen T. (2006) Magnetic properties of loess deposits on the northeastern Qinghai-Tibetan Plateau: palaeoclimatic implications for the Late Pleistocene. Geophysical Journal International, 167, 1138-1147.

Chen, T., Xu, H., Wang Y., Qin C., Fan, M., Chen, G. (2006) Structural evolvement of heating treatment of Mg/Al-LDH and preparation of mineral mesoporous materials. Acta Geologica Sinica, 80, 170-174. 

2005
Chen, T., Xu, H., Xie, Q., Chen, J., Ji, J., and   Lu, H. (2005) Characteristics and Genesis of Maghemite in Chinese Loess and Paleosols: Mechanism for Magnetic Susceptibility Enhancement in Paleosols. Earth and Planetary Science Letters, 240, 790-802.

Min, M.Z., Xu, H., Barton, L.L., Wang, J, Peng, X.J., Wiatrowski, H. (2005) Biomineralization of uranium: A simulated experiment and its significance. Acta Geologica Sinica (English Edition) 79 (1): 134-138.

Min, M. Z., Xu H, Barton, L.L., Peng, X.J., Yin, L., Wang, R.C. (2005) Experimental study on reduction of U (VI) by an anaerobic bacterium, Shewanella putrefaciens: Application to sandstone-hosted interlayer oxidation-zone type uranium deposits, China. SCIENCE IN CHINA SERIES, D-EARTH SCIENCES 48 (3): 346-352.

Yaming Jin, Huifang Xu, and Abhaya K. Datye (2005) Electron Energy Loss Spectroscopy (EELS) of Iron Fischer-Tropsch Catalysts. Microscopy and Microanalysis (in press).

Laurence A. J. Garvie, Huifang Xu, Yifeng Wang, and Robert L. Putnam (2005) Synthesis of (Ca,Ce3+,Ce4+)Ti2O7: a pyrochlore with mixed-valence cerium. Journal of Physics and Chemistry of Solids, 66, 902-905.

Xu, H., Vanamu, G., Nie, Z., Phillips, J., and Wang, Y. (2005) Metal ions incorporated titania nanotubes for hydrocarbon oxidation, In “Nanoporous and Nanostructured Materials for Catalysis, Sensor, and Gas Separation Applications,” edited by S.W. Lu, H. Hahn, J. Weissmuller, and J.L. Gole, Mater. Res. Soc. Symp. Proc., 876E, R6.7.

Youxian Wu, Baolin Deng, Huifang Xu, Hiromi Kornishi, and Brad Tebo (2005) Chromium(III) Oxidation Coupled with Microbially-Mediated Mn(II) Oxidation. Geomicrobiology Journal, 22, 161-170.

Garvie, L. A. J. Xu, H. Wang, Y., and Putnam, R. L. (2005) Synthesis of (Ca,Ce3+,Ce4+)Ti2O7: a pyrochlore with mixed-valence cerium. Journal of Physics and Chemistry of Solids, 66, 902-905.

Wu, Y., Deng, B., Xu, H., Kornishi, H., and Tebo, B. (2005) Chromium(III) Oxidation Coupled with Microbially-Mediated Mn(II) Oxidation. Geomicrobiology Journal, 22, 161-170.

Elisabetta Foresti, Michael F. Hochella, Jr., Hiromi Kornishi, Isidoro G. Lesci, Andrew S. Madden, Norberto Roveri, and Huifang Xu (2005) Morphological and chemical-physical characterization of Fe doped synthetic chrysotile nanotubes. Advanced Functional Materials, 15, 1009-1016.

Min, M. Z., Xu, H., Chen, J., Fayek, M. (2005) Evidence of uranium biomineralization in sandstone-hosted roll-front uranium deposits, Northwest China. Ore Geology Reviews, 24, 198-206.

Shen, K., Curran, S., Huifang Xu, Rogelj, S., Jiang, Y. B., Dewald, J., and Pietrass, T. (2005) Single-walled carbon nanotube purification, pelletization, and surfactant-asisted dispersion: a combined TEM and resonant micro-Raman spectroscopy study. Journal of Physical Chemistry, B, 109, 4455-4463.

Lan, Y., Deng, B., Kim, C., Thornton, E. C., and Huifang Xu (2005) Catalysis of Elemental sulfur nanoparticlaes on chromium (VI) reduction by sulfide under anaerobic conditions. Environmental Science and Technology, 39, 2087-2094.

Wang, H., X. Z. Liao, Huifang. Xu, X. Zhang, Y. Lin, S. R. Foltyn, P. N. Arendt, J. L. MacManus-Driscoll, Y. T. Zhu, and Q. X. Jia (2005) Effect of Eu interfacial mobility on the growth of epitaxial EuBa2Cu3O7-x films. Appl. Phys. Lett., 86, 101912.

2004
Huifag Xu, Wang, Y. F., Zhao, P. H., Bourcier, W. L., Van Konynenburg, R., and Shaw, H. F. (2004) Investigation of pyrochlore-based U-bearing ceramic nuclear waste: Uranium leaching test and TEM observation. Environmental Science & Technology, 38, p.1480-1486.

Liang, L., Huifang Xu, Qiang Su, Hiroma Konishi,  Yingbin Jiang, Yifeng Wang, Deying Xia,  and Mingmei Wu (2004) Hydrothermal Synthesis of Prismatic NaHoF4 Microtubes and NaSmF4 Nanotubes.  Inorganic Chemistry, 43, 1594-1595.

Fan, H., Yang, K., Boye, D. M., Sigmon, T., Malloy, K. J., Huifang Xu, Lopez, G. L., and Brinker, C. J. (2004) Self-assembly of ordered, robust, three-dimensional gold nanocrystal/silica array.  Science, 304, 567-571.

Nuntawong, N., S. Birudavolu, C. P. Hains, S. Huang, Huifang Xu, and D. L. Huffaker (2004) Effect of strain-compensation in stacked 1.3 mu m InAs/GaAs quantum dot active regions grown by metalorganic chemical vapor deposition. Applied Physics Letters, 85, 3050-3052.

Qiming Li, Ying-Bing Jiang, Huifang Xu, Stephen Hersee, and Sang M. Han (2004) Heteroepitaxy of high-quality Ge on Si by nanoscale Ge seeds grown through a thin layer of SiO2. Appl. Phys. Lett. 85, 1928-1930.

Qiu ZR, Wong KS, Wu MM, Lin WJ, and Huifang Xu (2004) Microcavity lasing behavior of oriented hexagonal ZnO nanowhiskers grown by hydrothermal oxidation. Applied Physics Letters, 84, 2739-2741.

 Xu, Z. P., Braterman, P. S., Yu, K., Huifang Xu, Wang, Y.F., and Brinker, C. J. (2004) Unusual hydrocarbon chain packing mode and modification of crystallite growth habit in the self-assembled nanocomposites zinc-aluminum-hydroxide oleate and elaidate (cis- and trans-[Zn2Al(OH)6(CH3(CH2)7CH=CH(CH2)7COO-)] and magnesium analogues. Chemistry of Materials, 16, 2750-2756.

Lee S. C., Sun, X. Y., Hersee, S. D., Brueck, S. R. J., and Huifang Xu. (2004) class="style14">Spatial phase separation of GaN selectively grown on a nanoscale faceted Si surface. Applied Physics Letters, 84, 2079-2081.

Lee, S. C., L. R. Dawson, B. Pattada, and S. R. J. Brueck, Y.-B. Jiang and Huifang Xu (2004) Strain-relieved, dislocation-free In xGa1-xAs/GaAsN(001) Heterostructure by nanoscale-patterned growth. Applied Physics Letters, 85, 4181-4183.

Liao, X. Z., Serquis, A., Zhu, Y. T., Peterson, D. E, Mueller, F. M., and Huifang Xu (2004) Strain effect on the critical superconducting temperature of MgB2. Superconductor Science And Technology, 17, 1026–1030.

Liao XZ, Zhu YT, Qiu YM, Uhl D, and Huifang Xu (2004) Quantum dot/substrate interaction in InAs/In0.53Ga0.47As/InP(001).  Applied Physics Letters, 84, 511-513.

Liao, X. Z., A. Sharma, M. Wei, and J. L. MacManus-Driscoll, W. Branford, L. F. Cohen, and Y. Bugoslavsky, Y. T. Zhu and D. E. Peterson, Y. B. Jiang and Huifang Xu (2004) Highly disordered intergrowths in Sr2FeMoO6. Journal Of Applied Physics, 96, 7747-7749.

Liao, X. Z., Y. H. Zhao, S.G. Srinivasan, F. Zhou, E.J. Lavernia, M.I. Baskes, Huifang Xu, R.Z. Valiev and Y.T. Zhu (2004) Stacking fault and twinning in nanocrystalline metals. In Yuntian Theodore Zhu, Terence G. Langdon, and Ruslan Z. Valiev, editors “Ultrafine Grained Materials III,” pp. 3-10.

Liao, X. Z., S.G. Srinivasan, Y. H. Zhao, M.I. Baskes, Y. T. Zhu F. Zhou, E.J. Lavernia, and Huifang Xu (2004) Formation mechanism of wide stacking faults in nanocrystalline Al. Applied Physics Letters 84, 3564-3566. 

Balyanov A, Kutnyakova J, Amirkhanova NA, Stolyarov VV, Valiev RZ, Liao XZ, Zhao YH, Jiang YB, Huifang Xu, Lowe TC, Zhu YT (2004) Corrosion resistance of ultra fine-grained Ti. Scripta Materialia, 51, 225-229.

Shen K, Huifang Xu, Jiang YB, and Pietrass T (2004) The role of carbon nanotube structure in purification and hydrogen adsorption. Carbon, 42, 2315-2322.

Song, Y., Yang, Y., Medforth, C. J., Eulalia Pereira, Anup K. Singh, Huifang Xu, Yingbing Jiang, C. Jeffrey Brinker, Frank van Swol, and John A. Shelnutt (2004) Controlled Synthesis of 2-D and 3-D Dendritic Platinum Nanostructures.   Journal of American Chemical Society, Journal of The American Chemical Society, 126, 635-645.

Balakrishnan, G., Huang, S., Rotter, T.J., Stintz,  Dawson, LR; Malloy, K.J., Huifang Xu, and Huffaker, D.L. (2004) 2.0 mm wavelength InAs quantum dashes grown on a GaAs substrate using a metamorphic buffer layer. Applied Physics Letters, 84, 2058-2060.

Junfeng Ji, Jun Chen, William Balsam, Huayu Lu, Youbin Sun, and Huifang Xu (2004) High resolution hematite//goethite records from Chinese loess sequences for the last glacial-interglacial cycle: Rapid climatic response of the East Asian Monsoon to the tropical Pacific. Geophysical Research Letters, 31, L03207.

Moore RC, Sanchez C, Holt K, Zhang PC, Huifang Xu, Choppin GR (2004) Formation of hydroxyapatite in soils using calcium citrate and sodium phosphate for control of strontium migration. RADIOCHIMICA ACTA 92 (9-11): 719-723.

Huifang Xu and Yifeng Wang (2004) Using linear Free energy relationship to predict the stability constants of aqueous complexes of metal-organic ligands. In Scientific Basis for Nuclear Waste Management XXVIII, edited by John M. Hanchar, Simcha Stroes-Gascoyne, and Lauren Browning (Mater. Res. Soc. Symp. Proc. 824, Warrendale, PA , 2004), CC7.9.1 – CC7.9.6.

Huifang Xu and Yifeng Wang (2004) A Novel Equation for Prediction of Intrinsic Sorption Constants of Metal Cations at Mineral-Water Interfaces. In Scientific Basis for Nuclear Waste Management XXVIII, edited by John M. Hanchar, Simcha Stroes-Gascoyne, and Lauren Browning (Mater. Res. Soc. Symp. Proc. 824, Warrendale, PA , 2004), CC7.10.1 – CC7.10.6.

Huifang Xu, Maozhong Min, Larry Barton, Jia Zhen, Xinjian Peng, Jinping Wang, and Yifeng Wang (2004) Wood as a sinker for uranium: a natural analog from a sandstone-hosted roll-type uranium ore deposit. In Scientific Basis for Nuclear Waste Management XXVIII, edited by John M. Hanchar, Simcha Stroes-Gascoyne, and Lauren Browning (Mater. Res. Soc. Symp. Proc. 824, Warrendale, PA , 2004), page CC8.42.1 – CC8.42-6.

2003
Wang, D., Zhou, W. L., McCaughy, B. F., Hampsey, J. E., Ji, X., Jiang, Y., Huifang Xu, Tang, K., Schmehl, R. H., O’Connor, C., and Lu, Y. (2003) Electrodeposition of metallic nanowire thin film using mesoporous silica as templates. Advanced Materials, 15, 130-133.
 
Tian, Z. R., Voigt, J. A., Liu, J., McDermott, M. J., Rodriguez, M. A., Konishi, H., and Huifang Xu  (2003) Complex, oriented semiconductor nanostructures.  Nature Materials, 2, 821-826.

Tian, Z. R., Liu, J., Voigt, J. A., Mckenzie, B., and Xu, H. (2003) Hierarchical and Self-Similar Growth of Self-Assembled Mesophase Crystals.  Angewandte Chemie Int. Ed., 42, 414-417.

Wang, Y., Bryan, C., Xu, H., and Gao, H. (2003) Nanogeochemistry: Geochemical Reactions and Mass Transfers In Nanopores.  Geology, Vol. 31, no.5, pp. 387-390.

Chen TH, Zhu G, Huifang Xu, Wang DX, Yue SC, Liu GS (2003) Mineralogical characteristics of palygorskite fault rock in andesitic welded tuff. Acta Petrologica Sinica, 19, 767-774.

Li QM, Han SM, Brueck SRJ, Hersee S, Jiang YB, Huifang Xu, and Sang M. Han (2003) Selective growth of Ge on Si(100) through vias of SiO2 nanotemplate using solid source molecular beam epitaxy. Applied Physics Letters, 83, 5032-5034.

Huifang Xu, and Wang, Y. (2003) Incorporation of radioactive and trace metals into autunite phases: thermodynamic evaluation.  Scientific Basis for Nuclear Waste Management, vol. 26 447-454.  Materials Research Society, Warrendale, Pennsylvania.

Charles B. Bryan, Yifeng Wang, Huifang Xu, and Huizheng Gao (2003) As, Se, and Re sorption by Mg-Al layered double hydroxides. Scientific Basis for Nuclear Waste Management, vol. 26, 671-676.  Materials Research Society, Warrendale, Pennsylvania.

Chen CK, Perry WL, Huifang Xu, Jiang YB, Phillips J (2003) Plasma torch production of macroscopic carbon nanotube structures. Carbon, 41, 2555-2560.

Tian, Z. R., Liu, J., Voigt, J. A., Mckenzie, B., and Xu, H. (2003) Large oriented arrays and continuous films of TiO2-based nanotubes.  Journal of American Chemical Society, 125, 12384-12385.

Tian, Z. R., Liu, J., Voigt, J. A., Xu, H., and McDermott, M. J. (2003) Dendritic Growth and Morphology Control of Self-Assembled Silicates “Snowflakes” from Synthetic Ceramics.  NANO Letters, 3, 89-92.
   
Tian, Z. R., Liu, J., Xu, H., Voigt, J. A., Mckenzie, B., and Matzke, C. M. (2003) Shape-Selective Patterning and Alignment of Cubic Self-Assembled Nanostructural Crystals.  NANO Letters, 3, 179-182.
   
Liao, X. Z., A. Serquis, Y. T. Zhu, Q. X. Jia, D. E. Peterson, and H. Xu (2003) The effect of catalyst compositions on carbon nanotube growth.  Applied Physics Letters, 2694-2696.

Liao, X. Z., Serquis, A. C., Zhu, Y. T., Huang, J. Y., Civale, L., Peterson, D. E., Mueller, F. M., and Xu, H. (2003) Mg(B,O) precipitation in MgB2.  Journal of Applied Physics, v. 93, 6208-6215.

El-Emawy, A. A., S. Birudavolu, S. Huang, H. Xu, and D.L. Huffaker (2003) Selective Surface Migration for Defect-free Quantum Dot Ensembles using Metal Organic Chemical Vapor Deposition. J. Crystal Growth, 255, 213-219

Vaughn, Leslie G., L. Ralph Dawson, Huifang Xu, Yingbing Jiang and Luke F. Lester (2003) Characterization of AlInAsSb and AlGaInAsSb MBE-grown Digital Alloys.  MRS Fall Meeting Proceedings (invited paper).

El-Emawy, A. A., S. Birudavolu, S. Huang, H. Xu, and D.L. Huffaker (2003) Selective Surface Migration for Defect-free Quantum Dot Ensembles using Metal Organic Chemical Vapor Deposition. J. Crystal Growth, 255, 213-219.

El-Emawy, A. A., S. Birudavolu, P. S. Wong, Y.-B. Jiang, Huifang Xu, S. Huang, and D. L. Huffaker (2003) Formation trends in quantum dot growth using metalorganic chemical vapor deposition.  J. App. Physics, 93, 3529-3534.

Li, Wenguang, Daniel E. Hooks, Peter Chiarelli, Yingbing Jiang, Huifang Xu, and Hsing-Lin Wang (2003) Fabrication and Characterization of Optically Active Multilayer Thin Films Based on Polyaniline Nanoparticles.  Langmuir, 19, 4639-4644.

Yan, Juchao, G.V. Rama Rao, Marcos Barela, Yingbing Jiang, Huifang Xu, D. A. Brevnov, Gabriel P. López, and Plamen B. Atanassov (2003) Growth of Patterned Anodic Aluminum Oxide Nanopore Arrays. Advanced Materials, 15, 2015-2018.

Wang, D. H., X. L. Ji, J. B. Pang, Q. Y. Hu, Huifang Xu, and Y. F. Lu, Electric field-induced mesostructure transformation of self-assembled silica/copolymer nanocomposite thin films. Physical Chemistry Chemical Physics 5, 4070-4072 (2003).

Wu, M., Wang, G., Huifang Xu., Long, J., Shek, L. Y., Lo, S. M. –F., Williams, I. D., Feng, S., and Xu, R. (2003)  Hollow Spheres of Mesostructured Lead Titanate.  Langmuir, 19, 1362-1367.

Chen, X., Huifang Xu, Xu, N., Zhao, F., Lin, W., Lin, G., Fu, Y., Huang, Z., Wang, H., and Wu, M. (2003) Kinetically controlled fabrication of wurtzite ZnS nanorods through mild thermolysis of a covalent organic-inorganic network.  Inorganic Chemistry, 42, 3100-3106.
 
Wu, H., Huifang Xu, Qiang Su, Tianhu Chen, and Mingmei Wu (2003) Size- and shape-tailored hydrothermal synthesis of YVO4 crystals in ultra-wide pH range conditions.  J. Mater. Chem., 13, 1223-1228.
 
Pan, Y., Qiang Su, Huifang Xu, Tianhu Chen, Mingmei Wu (2003) Synthesis and luminescence of Pr3+ doped CaTiO3 nanophosphor from polymer precursor. Journal of Solid State Chemistry, 174, 69-73.

2002
Rama Rao, G.V., López, G. P., Bravo, J., Pham, H., Datye, A. K., Huifang Xu, and Ward, T. L. (2002) Monodisperse Mesoporous Silica Microspheres Formed by Evaporation-Induced Self-Assembly of Surfactant Templates in Aerosols. Advanced Materials, 14, 1301-1304.

Rama Rao, G.V., Krug, M. E., Balamurugan, S., Huifang Xu, Xu, Q., and López, G. P. (2002) Synthesis and Characterization of Silica-Poly(N-Isopropyl Acrylamide) Hybrid Membranes: Switchable Molecular Filters.  Chemistry of Materials, 14, 5075-5080.

Wang, Y., Bryan C., Xu, H., Pohl, P., Yang, Y., Brinker, C. J. (2002) Interface chemistry of nanostructured materials: Ion adsorption on mesoporous alumina. J. Colloidal Interface Chem., 254, 23-30.

Huifang Xu, Chen, T., Jove Colon, C. F., and Cygan, R. (2002) Transformation from ferrihydrate into goethite in soil from Colorado Plateau: HRTEM investigation.  Proceedings of the 15th International Congress on Electron Microscopy, vol. I, 1097-1098.

Jin, Y., Huifang Xu, and Datye, A. K. (2002) Electron energy-loss spectroscopy of carbonaceous layers on iron surfaces in Fischer-Tropsch catalysts. Proceedings of the 15th International Congress on Electron Microscopy, vol. I, 363-364.

Huifang Xu, Wang, Y., and Chen, T. (2002) Mesostructured materials in natural environments: TEM investigation.  Proceedings of the 15th International Congress on Electron Microscopy, vol. I, 1073-1074.

Liao, X. Z., Serquis, A. C., Zhu, Y. T., Huang, J. Y., Peterson, D. E., Mueller, F. M., and Huifang Xu (2002) Controlling flux pinning precipitates during MgB2 synthesis.  Applied Physics Letters, 80, 4398-4400.

Liao, X. Z., Serquis, A. C., Zhu, Y. T., Huang, J. Y., Peterson, D. E., Mueller, F. M., and Huifang Xu (2002) Mg(B,O) precipitates in MgB2.  Journal of Applied Physics, 80, 6208-6215.

Huifang Xu (2002) HAADF imaging of interface between GaAs and InAs semiconductors.  Proceedings of the 15th International Congress on Electron Microscopy, vol. I, 505-502.

2001
Wang Y. and Huifang Xu (2001): Prediction of trace metal partitioning between minerals and aqueous solutions: A linear free energy correlation approach. Geochim. Cosmochim. Acta, 65, 1529-1543.

Kim, C., Zhou, Q., Deng, B., and Huifang Xu  (2001) Chromiun (VI) reduction by hydrogen sulfide in aqueous media: Stoichiometry and kinetics.  Environmental Science and Technology, 35, 2219-2225.

Penn, R. L., Zhu, C., Huifang Xu, Veblen, D. R. (2001) Iron oxide coatings on sand grains from the Atlantic coastal plain: High-resolution transmission electron microscopy characterization.  Geology, v. 29, 843-846, 2001.

Li, D., Huifang Xu, and Guthrie, Jr., G. D. (2000) Zeolite-supported Ni and Mo catalysts for hydrotreatments: II. HRTEM observations.  Journal of Catalysis, 189, 281-296.

Huifang Xu, and Zhai, J. (2001) Energy-filtering TEM imaging of ZrB2/SiC composite – an ultrahigh temperature ceramic for thermal protection. Microscopy and Microanalysis, 7 (S2), 262-263.

2000
Huifang Xu, D. R. Veblen, P. R. Buseck, and B. L. Ramakrishna (2000) TEM and AFM of exsolution and twinning in an alkali feldspar.  American Mineralogist, 85, 509-513.

Huifang Xu, and Wang, Y.  (2000) Crystallization sequence and microstructure evolution of Synroc samples crystallized from CaZrTi2O7 melts. Journal of Nuclear Materials, 279, 100-106.
 
Huifang Xu, Wang, Y., Putnam, R. L., J. Gutirriez, and Navrotsky, A. (2000) Microstructure and composition of Synroc samples crystallized from a CaCeTi2O7 chemical system: HRTEM/EELS investigation.  Scientific Basis for Nuclear Waste Management, 23, 461-466.

Huifang Xu (2000) Environmental mineralogy: Application of mineralogy in environmental sciences studies.  Geological Journal of China Universities, 6, 233-244.

Huifang Xu, and Y. Wang (2000) Thermodynamic stability of actinide pyrochlore minerals in deep geological repository environments. Scientific Basis for Nuclear Waste Management, vol. 23, 367-372.

Huifang Xu., Barton, L. L., Zhang, P., and Wang, Y. (2000) TEM Investigation of U6+ and Re7+ Reduction by Desulfovibrio desulfuricans, a Sulfate-Reducing Bacterium.  Scientific Basis for Nuclear Waste Management, vol. 23, 299-304.

Huifang Xu, and Y. Wang (2000) Oxidative alteration of spent fuel in a silica-rich environment: SEM/AEM investigation and geochemical modeling. Scientific Basis for Nuclear Waste Management, 23, 67-74.

Huifang Xu (2000) Using electron energy-loss spectroscopy (EELS) associated with transmission electron microscopy to determine oxidation states of Ce and Fe in minerals. Geological Journal of China Universities, 6, 137-144.

Huifang Xu (2000) Investigation of invisible Au in Au-bearing FeS2 microcrystals from Carlin gold ore deposit, Nevada, USA: TEM study and geochemical modeling.  Geological Journal of China Universities, 6, 523-531.

Chunxi Shi, Yuchuan Zhang, Gufeng Luo, and Huifang Xu (2000) Cuprian clinochlorite: a new Cu-rich variety of chlorite.  Journal of Nanjing University (Natural Sciences), 36, 780-782.

1999
Huifang Xu, and Wang, Y. (1999) Electron energy-loss spectroscopy (EELS) study of oxidation states of Ce and U in pyrochlore and uraninite — natural analogues for Pu- and U-bearing waste forms.  Journal of Nuclear Materials, 265, 117-123.

Huifang Xu, and Wang, Y., and Barton, L. L. (1999) Application of a linear free energy relationship to crystalline solid of MO2 and M(OH)4.  Journal of Nuclear Materials, 273, 343-346.

Huifang Xu, and Wang, Y. (1999) Use of linear free energy relationship to predict Gibbs free energies of formation of MUO4 phases. Radiochimica Acta, 87, 37-40.

Huifang Xu, and Wang, Y., (1999) Use of linear free energy relationship to predict Gibbs free energies of formation of pyrochlore phases (CaMTi2O7).  Journal of Nuclear Materials, 275, 216-220.

Huifang Xu, and Wang, Y. (1999) Use of linear free energy relationship to predict Gibbs free energies of formation of zirconolite phases (MZrTi2O7 and MHfTi2O7).  Journal of Nuclear Materials, 275, 216-220.

Huifang Xu, and Song, X. (1999) Electron energy-loss spectroscopy (EELS) of nanocrystals of zirconia and sulfated zirconia strong solid-acid.  Materials Research Bulletin, 34, 527-531.

1998
Posfai, M, Huifang Xu, Anderson, J. R., and Buseck, P. R. (1998) Wet and dry sizes of atmospheric aerosol particles: An AFM-TEM study.  Geophysical Research Letters, 25, 1907-1910. 

Huifang Xu, Buseck, P. R., and Luo, G. (1998) HRTEM investigation of microstructures in length-slow chalcedony.  American Mineralogist, 83, 542-545.
 
Huifang Xu, and Wang, Y. (1998) Intergranular boundary and reaction front in biopyrible minerals.  Electron Microscopy 1998 (Proceedings of the 14th International Congress on Electron Microscopy, vol. II, 665-666.

Huifang Xu, (1998) Electron energy-loss spectroscopy (EELS) of Ce-oxides in the CeO2 – Ce2O3 system.  Electron Microscopy 1998 (Proceedings of the 14th International Congress on Electron Microscopy, vol. III, 357-358.

Huifang Xu (1998) HRTEM of interface between GaAs and AlxGa1-xAs semiconductors. Electron Microscopy 1998 (Proceedings of the 14th International Congress on Electron Microscopy), vol. III, 475-476.

1997
Huifang Xu, (1997) Surface characters of twin domains and exsolution lamellae in a feldspar crystals: Atomic force microscopy study.  Materials Research Bulletin, 32, 1221-1227.

Huifang Xu, Buseck, P. R., and Carpenter, M. A. (1997) Twinning in synthetic anorthite, a transmission electron microscopy investigation.  American Mineralogist, 82, 125-130.
 
Ahn, J. H., Huifang Xu, and Buseck, P. R. (1997) Transmission electron microscopy of native copper inclusions in illite.  Clays and Clay Minerals, 45, 295-297.

1996
Huifang Xu, and Veblen, D. R. (1996) Interstratification and other reaction microstructures in the chlorite-berthierine series. Contribution to Mineralogy and Petrology, 124, 291-301. 

Huifang Xu, Zhang, Y., and Veblen, D. R. (1996) Periodic and nonperiodic interstratification in the chlorite-biotite series.  American Mineralogist, 81, 1396-1404. 

Huifang Xu, and Veblen, D. R. (1996) Superstructures and domain structures in natural and synthetic kalsilite.  American Mineralogist, 81, 1360-1370.

Huifang Xu, Veblen, D. R., Luo, G., and Xue, J. (1996) Transmission electron microscopy study of the thermal decomposition of tremolite into clinopyroxene. American Mineralogist, 81, 1126-1132.

Huifang Xu, and Buseck, P. R. (1996) TEM investigation of the domain structure and superstructure in hillebrandite, Ca2SiO3(OH)2.  American Mineralogist, 81, 1371-1374.

1995 and before 1995
Huifang Xu, and Veblen, D. R. (1995) Transmission electron microscopy study of optically anisotropic and isotropic hauyne.  American Mineralogist, 80, 87-93.
 
Huifang Xu, Veblen, D. R., and Zhang, Y. (1995) Structural modulation and phase transition in a Na-rich alkali feldspar.  American Mineralogist, 80, 897-906. 
Huifang Xu, Veblen, D. R., and Luo, G. (1995) A new commensurate modulated structure in orthoclase.  Acta Crystallographica, A51, 53-60.
 
Huifang Xu, and Veblen, D. R. (1995) Periodic and nonperiodic stacking in biotite from the Bingham Canyon porphyry copper deposit, Utah.  Clays and Clay Minerals, 43, 159-173. 
 
Zhu, C., Huifang Xu., Ilton, E. S., Veblen, D. R., Henry, D. J., Tivey, M. K., and Thompson, G. (1994) TEM-AEM observation of Cl-rich amphibole and biotite and possible petrologic implications.  American Mineralogist, 79, 909-920.
 
Gufeng Luo, Chengyi Lin, and Huifang Xu (1990) The possible topologic structure types of orthopyroxene with space group P21ca. Chinese Journal of Geochemistry, 9, 275-283.

 



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