Gregory R. Lumpkin

Overview

Best Publications

• Alpha-decay event damage in zircon

  Takashi Murakami;Bryan C. Chakoumakos;Rodney C. Ewing;Gregory R. Lumpkin

  576
  Citations

• Alpha-decay damage in minerals of the pyrochlore group

  Gregory R. Lumpkin;Rodney C. Ewing

  276
  Citations

• Alpha-decay--induced fracturing in zircon: the transition from the crystalline to the metamict state.

  Bryan C. Chakoumakos;Takashi Murakami;Gregory R. Lumpkin;Rodney C. Ewing

  273
  Citations

• Ion irradiation-induced phase transformation of pyrochlore and zirconolite

  S.X Wang;L.M Wang;R.C Ewing;G.S Was

  233
  Citations

• Radiation tolerance of Mn+1AXn phases, Ti3AlC2 and Ti3SiC2

  Unknown

  224
  Citations

• Segregation and migration of species in the CrCoFeNi high entropy alloy

  S.C. Middleburgh;D.M. King;D.M. King;G.R. Lumpkin;M. Cortie

  173
  Citations

• Alpha-decay damage in titanite

  Frank C. Hawthorne;Lee A. Groat;Mati Raudsepp;Neil A. Ball

  153
  Citations

• Surface complexation model of uranyl sorption on Georgia kaolinite

  T.E Payne;J.A Davis;G.R Lumpkin;R Chisari

  144
  Citations

• Solid solubilities of (La Nd,)2(Zr,Ti)2O7 phases deduced by neutron diffraction

  Elizabeth J. Harvey;Karl R. Whittle;Gregory R. Lumpkin;Ronald I. Smith

  130
  Citations

• Uranium sorption on various forms of titanium dioxide--influence of surface area, surface charge, and impurities.

  M. Josick Comarmond;Timothy E. Payne;Jennifer J. Harrison;Sangeeth Thiruvoth

  129
  Citations

• Metamict minerals: Natural analogues for radiation damage effects in ceramic nuclear waste forms

  R.C. Ewing;B.C. Chakoumakos;G.R. Lumpkin;T. Murakami

  121
  Citations

• The Metamict State

  R.C. Ewing;B.C. Chakoumakos;G.R. Lumpkin;T. Murakami

  119
  Citations

• Alpha-recoil damage in zirconolite (CaZrTi 2 O 7 )

  G.R. Lumpkin;R.C. Ewing;B.C. Chakoumakos;R.B. Greegor

  118
  Citations

• Retention of Actinides in Natural Pyrochlores and Zirconolites

  G. R. Lumpkin;K. P. Hart;P. J. McGlinn;Τ. E. Payne

  114
  Citations

• Lanthanum pyrochlores and the effect of yttrium addition in the systems La2−xYxZr2O7 and La2−xYxHf2O7

  Karl R. Whittle;Karl R. Whittle;Lachlan M.D. Cranswick;Simon A.T. Redfern;Ian P. Swainson

  106
  Citations

• Mineralogy and radiation effects of microlite from the Harding Pegmatite, Taos County, New Mexico

  G. R. Lumpkin;B. C. Chakoumakos;Rodney C. Ewing

  106
  Citations

• Crystal structures and phase transition in the system SrTiO3–La2/3TiO3

  Christopher J. Howard;Gregory R. Lumpkin;Gregory R. Lumpkin;Ronald I. Smith;Zhaoming Zhang

  101
  Citations

• Hardness and elastic modulus of zircon as a function of heavy-particle irradiation dose: I. In situ α-decay event damage

  B. C. Chakoumakos;W. C. Oliver;G. R. Lumpkin;R. C. Ewing

  88
  Citations

• In situ Transmission Electron Microscopy Investigation of Radiation Effects

  R. C. Birtcher;M. A. Kirk;K. Furuya;G. R. Lumpkin

  81
  Citations

• Determination of 25 elements in the complex oxide mineral zirconolite by analytical electron microscopy

  Gregory R. Lumpkin;Katherine L. Smith;Mark G. Blackford;Reto Gieré

  78
  Citations

• Partitioning of uranium and rare earth elements in synroc: effect of impurities, metal additive, and waste loading

  Gregory R. Lumpkin;Katherine L. Smith;Mark G. Blackford

  77
  Citations

• Heavy ion irradiation studies of columbite, brannerite, and pyrochlore structure types

  Gregory R. Lumpkin;Katherine L. Smith;Mark G. Blackford

  75
  Citations

• Composition, order-disorder and lattice parameters of olivines; relationships in silicate, germanate, beryllate, phosphate and borate olivines

  Gregory R. Lumpkin;Paul H. Ribbe

  75
  Citations

• Ion irradiation of novel yttrium/ytterbium-based pyrochlores: The effect of disorder

  Karl R. Whittle;Mark G. Blackford;Robert D. Aughterson;Gregory R. Lumpkin

  75
  Citations

• Pressure-temperature constraints on the crystallization of the Harding Pegmatite, Taos County, New Mexico

  Bryan C. Chakoumakos;Gregory R. Lumpkin

  74
  Citations

• Neutron diffraction and MAS NMR of Cesium Tungstate defect pyrochlores

  K.R. Whittle;G.R. Lumpkin;S.E. Ashbrook

  73
  Citations

• Experimental and atomistic modeling study of ion irradiation damage in thin crystals of the TiO 2 polymorphs

  Gregory R. Lumpkin;Katherine L. Smith;Mark G. Blackford;Bronwyn S. Thomas

  72
  Citations

• Phase transformation mechanism of spodumene during its calcination

  Arif A. Abdullah;Arif A. Abdullah;Hans C. Oskierski;Mohammednoor Altarawneh;Gamini Senanayake

  71
  Citations