Cologna M, Rashkova B, Raj R. Flash sintering of nanograin zirconia in <5 s at 850°C. J Am Ceram Soc. 2010;93:3556-3559. doi
Recent Publications
2021
Campos JV, Lavagnini IR, Avila V, Yoon B, Ghose S, Raj R, Pallone EMJA, Jesus LM. On the Arrhenius-like behavior of conductivity during flash sintering of 3 mol% yttria stabilized zirconia ceramics. Scr Mater. 2021;203:114093 doi
Avila V, Yoon B, Ghose S, Raj R, Jesus LM. Phase evolution during reactive flash sintering of Li6.25Al0.25La3Zr2O12 starting from a chemically prepared powder. J Eur Ceram Soc. 2021;41:4552-4557 doi
Kathiria R, Wolf DE, Raj R, Jongmanns M. Frenkel pairs cause elastic softening in zirconia: theory and experiments. New J Phys. 2021;23:053013 doi
O'Toole RJ, Yoon B, Gump C, Raj R, Weimer AW. Flash sintering of yttria-stabilized cubic zirconia powders coated with alumina by particle atomic layer deposition. J Am Ceram Soc. 2021;104:2472-2482 doi
2020
Jesus LM, Silva RS, Raj R, M’Peko JC. Electric field-assisted flash sintering of Bi2/3Cu3Ti4O12 starting from a multi-phase precursor powder. J Eur Ceram Soc. 2020;40:4004-4009 doi
Yoon B, Avila V, Raj R, Jesus LM. Reactive flash sintering of the entropy-stabilized oxide Mg0.2Ni0.2Co0.2Cu0.2Zn0.2O. Scr Mater. 2020;181:48-52 doi
Mishra TP, Ingraci Neto RR, Speranza G, Quaranta A, Sglavo VM, Raj R, Guillon O, Bram M, Biesuz M, Electronic conductivity in gadolinium doped ceria under direct current as a trigger for flash sintering, Scr Mater. 2020;179:55-60 doi
Ingraci Neto RR, Raj R, The flash effect in electronic conductors: The case of amorphous carbon fibers, Scr Mater. 2020;179:20-24 doi
Avila V, Yoon B, Ingraci Neto RR, Silva RS, Ghose S, Raj R, Jesus LM. Reactive flash sintering of the complex oxide Li0.5La0.5TiO3 starting from an amorphous precursor powder. Scr Mater. 2020;176:78-82 doi
Kiniger G, Sglavo V, Jha SK, Raj R. Flash-induced spreading of metals on zirconia. Scr Mater. 2020;176:73-77 doi
Jo S, Raj R. Transition to electronic conduction at the onset of flash in cubic zirconia. Scr Mater. 2020;174:29-32 doi
Gil-González E, Perejón A, Sánchez-Jiménez PE, Raj R, Pérez-Maqueda LA. Processing and properties of Bi0.98R0.02FeO3(R = La, Sm, Y) ceramics flash sintered at ~650°C in <5 s. J Am Ceram Soc. 2019;103:136-144 doi
2019
Avila V, Raj R. Reactive flash sintering of powders of four constituents into a single phase of a complex oxide in a few seconds below 700°C. J Am Ceram Soc. 2019;102:6443-6448 doi
Clemenceau T, Andriamady N, Kumar M.K P, et al. Flash sintering of Li-ion conducting ceramic in a few seconds at 850 °C. Scripta Mater. 2019;172:1-5. doi
Mishra TP, Avila V, Neto RRI, Bram M, Guillon O, Raj R. On the role of Debye temperature in the onset of flash in three oxides. Scripta Mater. 2019;170:81-84. doi
Yoon B, Yadav D, Ghose S, Sarin P, Raj R. On the synchronicity of flash sintering with phase transformation. J Am Ceram Soc. 2019;102:3110-3116. doi
Avila V, Raj R. Flash sintering of ceramic films: the influence of surface to volume ratio. J Am Ceram Soc. 2019;102:3063-3069. doi
Yoon B, Yadav D, Ghose S, Raj R. Reactive flash sintering: MgO and α-Al2O3 transform and sinter into single-phase polycrystals of MgAl2O4. J Am Ceram Soc. 2019;102:2294-2303. doi
Vendrell X, Yadav D, Raj R, West AR. Influence of flash sintering on the ionic conductivity of 8 mol% yttria stabilized zirconia. J Eur Ceram Soc. 2019;39:1352-1358. doi
Raj R, Pederiva L, NarisawaL M, Soraru GD. On the Onset of Fracture as a Silicon-Based Polymer Converts into the Ceramic Phase. J Am Ceram Soc. 2019;102:924–929. doi
Kumar MK, Yadav D, Lebrun JM, Raj R. Flash Sintering with Current‐Rate: A Different Approach. J Am Ceram Soc. 2019;102:823–835. doi
Kok D, Yadav D, Sortino E, McCormack S, Tseng K, Kriven WM, Raj R, Mecartney M. α-Alumina and spinel react into single phase high-alumina spinel in < 3 seconds during flash sintering. J Am Ceram Soc. 2019;102:644–653. doi
2018
Jongmanns M, Raj R, Wolf D. Generation of Frenkel defects above the Debye temperature by proliferation of phonons near the Brillouin zone edge. New J Phys. 2018;20:093013. doi
Yoon B, Yadav D, Raj R, et al. Measurement of O and Ti atom displacements in TiO2 during flash sintering experiments. J Am Ceram Soc. 2018;101:1811-1817. doi
Gil-González E, Perejón A, Sánchez-Jiménez PE, Sayagués MJ, Raj R, Pérez-Maqueda LA. Phase-pure BiFeO3 produced by reaction flash-sintering of Bi2O3 and Fe2O3. J Mater Chem A. 2018;6:5356-5366. doi
McLaren CT, Heffner WR, Raj R, Jain H. AC electric field-induced softening of alkali silicate glasses. J Am Ceram Soc. 2018;101:2277-2286. doi
2017
Lebrun JM, Hellberg CS, Jha SK, Kriven WM, Steveson A, Seymour KC, Bernstein N, Erwin SC, Raj R. In-situ measurements of lattice expansion related to defect generation during flash sintering. J Am Ceram Soc. 2017;100:4965-4970. doi
Yadav D, Raj R. Two unique measurements related to flash experiments with yttria-stabilized zirconia. J Am Ceram Soc. 2017;100:5374-5378. doi
Yadav D, Raj R. The onset of the flash transition in single crystals of cubic zirconia as a function of electric field and temperature. Scripta Mater. 2017;134:123-127. doi
Raj R, Wolfenstine J. Current limit diagrams for dendrite formation in solid-state electrolytes for Li-ion batteries. J Power Sources. 2017;343:119-126. doi
Raj R, Ramanathan S. Flash transition as a possible origin for low open circuit voltage in thin film solid oxide fuel cells. J Power Sources. 2017;359:48-51. doi
Perez-Maqueda LA, Gil-Gonzalez E, Perejon A, Lebrun J-M, Sanchez-Jimenez PE, Raj R. Flash sintering of highly insulating nanostructured phase-pure BiFeO3. J Am Ceram Soc. 2017;100:3365-3369. doi
McLaren C, Roling B, Raj R, Jain H. Mechanism of electric field-induced softening (EFIS) of alkali silicate glasses. J Non-Cryst Solids. 2017;471:384-395. doi
Kok D, Jha SK, Raj R, Mecartney ML. Flash sintering of a three-phase alumina, spinel, and yttria-stabilized zirconia composite. J Am Ceram Soc. 2017;100:3262-3268. doi
Seo HK, Kim K, Min SY, Lee Y, Park CE, Raj R, Lee TW. Direct growth of graphene-dielectric bi-layer structure on device substrates from Si-based polymer. 2D Materials. 2017;4(2):024001. doi
Chelliah NM, Singh H, Raj R, Surappa MK. Processing, microstructural evolution and strength properties of in-situ magnesium matrix composites containing nano-sized polymer derived SiCNO particles. Mater. Sci. Eng. A. 2017;685:429-38. doi
2016
Raj R. Analysis of the power density at the onset of flash sintering. J Am Ceram Soc. 2016;99:3226-3232. doi
Naik K, Jha SK, Raj R. Correlations between conductivity, electroluminescence and flash sintering. Scripta Mater. 2016;118:1-4. doi
Lebrun JM, Jha SK, Naik KS, Seymour KC, Kriven WM, Raj R. The change of X-ray diffraction peak width during in situ conventional sintering of nanoscale powders. J Am Ceram Soc. 2016;99:765-768. doi
Lebrun J-M, Jha SK, McCormack SJ, Kriven WM, Raj R. Broadening of diffraction peak widths and temperature nonuniformity during flash experiments. J Am Ceram Soc. 2016;99:3429-3434. doi
Jha SK, Lebrun JM, Raj R. Phase transformation in the alumina-titania system during flash sintering experiments. J Eur Ceram Soc. 2016;36:733-739. doi
Jha SK, Lebrun JM, Seymour KC, Kriven WM, Raj R. Electric field induced texture in titania during experiments related to flash sintering. J Eur Ceram Soc. 2016;36:257-261. doi
Jha SK, Terauds K, Lebrun JM, Raj R. Beyond flash sintering in 3 mol % yttria stabilized zirconia. J Ceram Soc Jpn. 2016;124:283-288. doi
Zoli L, Sciti D, Liew LA, Terauds K, Azarnoush S, Raj R. Additive Manufacturing of Ceramics Enabled by Flash Pyrolysis of Polymer Precursors with Nanoscale Layers. J Am Ceram Soc. 2016;99:57-63. doi
Azarnoush S, Laubscher F, Zoli L, Raj R. Additive Manufacturing of SiCN Ceramic Matrix for SiC Fiber Composites by Flash Pyrolysis of Nanoscale Polymer Films. J Am Ceram Soc. 2016;99:1855-1858. doi
Jesus LM, Silva RS, Raj R, M’Peko J-C. Electric field-assisted flash sintering of CaCu3Ti4O12: Microstructure characteristics and dielectric properties. J Alloys Compd. 2016;682:753-758. doi
Jesus LM, Silva RS, Raj R, M'Peko J-C. Electric field-assisted ultrafast synthesis of nanopowders: a novel and cost-efficient approach. RSC Adv. 2016;6:107208-107213. doi
Corapcioglu G, Gulgun MA, Kisslinger K, Sturm S, Jha SK, Raj R. Microstructure and microchemistry of flash sintered K0.5Na0.5NbO3. J Ceram Soc Jpn. 2016;124:321-328. doi
Bajpai I, Han Y-H, Yun J, Francis J, Kim S, Raj R. Preliminary investigation of hydroxyapatite microstructures prepared by flash sintering. Adv Appl Ceram. 2016;115:276-281. doi