selected scholarly activity
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conferences
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Crystal and magnetic structures of high pressure perovskite-type oxyfluorides,PbFeO
2 F and 0.5PbFeO2 F-O-SPbTiO3 [Pb(Fe0.5 Ti0.5 )O2.5 F0.5 ]. Materials Research Society Symposium - Proceedings. 124-129. 2006 - Crystal structures of sapphirine and surinamite analogues in the MgO-Ga2O3-GeO2 system. European Journal of Mineralogy. 1283-1293. 1998
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Crystal and magnetic structures of high pressure perovskite-type oxyfluorides,PbFeO
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journal articles
- Ab initiostructure determination of SrBi2OB4O9by powder X-ray/neutron diffraction and NMR spectroscopy. Powder Diffraction. 24:35-40. 2009
- Recommended nomenclature for the sapphirine and surinamite groups (sapphirine supergroup). Mineralogical Magazine. 72:839-876. 2008
- The Non‐centrosymmetric Borate Chlorides Ba2TB4O9Cl (T: Al, Ga).. ChemInform. 38:no-no. 2007
- The non-centrosymmetric borate chlorides Ba2TB4O9Cl (T=Al, Ga). Solid State Sciences. 9:344-350. 2007
- The Non‐Centrosymmetric Borate Oxides, MBi2B2O7 (M: Ca, Sr).. ChemInform. 38:no-no. 2007
- The crystal chemistry of welshite, a non-centrosymmetric (P1) aenigmatite-sapphirine-surinamite group mineral. American Mineralogist. 92:80-90. 2007
- The non-centrosymmetric borate oxides, MBi2B2O7 (M=Ca, Sr). Journal of Solid State Chemistry. 179:3958-3964. 2006
- Crystal and Magnetic Structures of High Pressure Perovskite-Type Oxyfluorides,PbFeO2F and 0.5PbFeO2F-0.5PbTiO3 [Pb(Fe0.5Ti0.5)O2.5F0.5]. Materials Research Society Symposium - Proceedings. 988:0988-qq06-03. 2006
- BaBiBO4, a Novel Non‐Centrosymmetric Borate Oxide.. ChemInform. 36:no-no. 2005
- Melilite‐Type Borates Bi2ZnB2O7 and CaBiGaB2O7.. ChemInform. 36:no-no. 2005
- BaBiBO4, a novel non-centrosymmetric borate oxide. Solid State Sciences. 7:1055-1061. 2005
- Makarochkinite, Ca2Fe42+Fe3+TiSi4BeAlO20, a new beryllosilicate member of the aenigmatite-sapphirine-surinamite group from the Il'men Mountains (southern Urals), Russia. American Mineralogist. 90:1402-1412. 2005
- Melilite-Type Borates Bi2ZnB2O7 and CaBiGaB2O7. Chemistry of Materials. 17:3130-3136. 2005
- Non-centrosymmetric Ba3Ti3O6(BO3)2. Journal of Solid State Chemistry. 177:159-164. 2004
- Crystal Structure and Polymorphism of PbAlBO4.. ChemInform. 34:no-no. 2003
- Synthesis, Crystal Structure, Crystal Chemistry, and Magnetic Properties of PbMBO4 (M: Cr, Mn, Fe): A New Structure Type Exhibiting One‐Dimensional Magnetism.. ChemInform. 34:no-no. 2003
- Crystal structure and polymorphism of PbAlBO4. Solid State Sciences. 5:565-571. 2003
- Synthesis, Crystal Structure, Crystal Chemistry, and Magnetic Properties of PbMBO4 (M = Cr, Mn, Fe): A New Structure Type Exhibiting One- Dimensional Magnetism. Chemistry of Materials. 15:1703-1712. 2003
- The role of Fe and cation order in the crystal chemistry of surinamite, (Mg,Fe2+)(3)(Al,Fe3+)(3)O[AlBeSi3O15]: A crystal structure, Mossbauer spectroscopic, and optical spectroscopic study. American Mineralogist. 87:501-513. 2002
- The role of Fe and cation order in the crystal chemistry of surinamite, (Mg,Fe2+)3(Al,Fe3+)3O[AlBeSi3O15]: A crystal structure, Mössbauer spectroscopic, and optical spectroscopic study. American Mineralogist. 87:501-513. 2002
- PbGaBO4, an orthoborate with a new structure-type. Acta Crystallographica Section E. 57:i82-i84. 2001
- Sr2B5O9OH{middle dot}H2O, A SYNTHETIC BORATE RELATED TO HILGARDITE. Canadian Mineralogist. 39:129-135. 2001
- ChemInform Abstract: A New Orthoborate, Sr3Ga3(BO3)4O(OH).. ChemInform. 31:no-no. 2000
- Crystal Structures of the New Borate Fluorides BaMBO3F2 (M=Ga, Al). Journal of Solid State Chemistry. 155:354-358. 2000
- Crystal Structures of New Gallo-Borates MGa2B2O7, M=Sr, Ba. Journal of Solid State Chemistry. 154:598-602. 2000
- Granulite-facies beryllium pegmatites in the Napier Complex in Khmara and Amundsen Bays, western Enderby Land, East Antarctica 2000
- A new orthoborate, Sr3Ga3(BO3)4O(OH). Acta Crystallographica Section C: Crystal Structure Communications. 56:1057-1058. 2000
- VIII(Mg,Fe)0.85VI(Mg,Fe)4IV(Fe,Ge)3O12: A new tetragonal phase and its comparison with garnet. American Mineralogist. 85:1053-1060. 2000
- Structure of the defect perovskite Ce1/3NbO3: a redetermination by electron and neutron powder diffraction. Acta Crystallographica. Section B: Structural Science, Crystal Engineering and Materials. 56:183-188. 2000
- ChemInform Abstract: Normal and Inverse Garnets: Ca3Fe2Ge3O12, Ca3Y2Ge3O12 and Mg3Y2Ge3O12.. ChemInform. 31:no-no. 2000
- Normal and inverse garnets: Ca3Fe2Ge3O12, Ca3Y2Ge3O12and Mg3Y2Ge3O12. Acta Crystallographica Section C: Crystal Structure Communications. 55:1611-1614. 1999
- Khmaralite, a new beryllium-bearing mineral related to sapphirine; a superstructure resulting from partial ordering of Be, Al, and Si on tetrahedral sites. American Mineralogist. 84:1650-1660. 1999
- Crystal structures of sapphirine and surinamite analogues in the MgO-Ga2O3-GeO2 system. European Journal of Mineralogy. 10:1283-1294. 1998
- Crystal Structures and Crystal Chemistry of AgXPO4(X=Be, Zn). Journal of Solid State Chemistry. 141:177-185. 1998
- Thin film electroluminescence in highly anisotropic oxide materials. Applied Physics Letters. 72:3356-3358. 1998
- Monoclinic and Hexagonal Nepheline Structures of (Na3/4/K1/4)AlGeO4. Acta Crystallographica. Section B: Structural Science, Crystal Engineering and Materials. 54:211-220. 1998
- Red and Blue Thin Film Electroluminescence in Eu‐doped orthophosphates. Digest of Technical Papers - SID International Symposium. 29:652-654. 1998
- ChemInform Abstract: Pb2Fe2Ge2O9, the Germanate Analogue of the Silicate Mineral Melanotekite.. ChemInform. 29:no-no. 1998
- Pb2Fe2Ge2O9, the Germanate Analogue of the Silicate Mineral Melanotekite. Acta Crystallographica Section C: Crystal Structure Communications. 54:2-5. 1998
- Crystal structures of Ca5Ge3O11 and wollastonite-type GaGeO3. Zeitschrift fur Kristallographie - Crystalline Materials. 212:519-528. 1997
- Co7AS2O12: a new cobalt arsenate with a spinelloid-type structure. Zeitschrift fur Kristallographie - Crystalline Materials. 212:445-449. 1997
- A New Structural Family:M10n−2Ge3n+1O16nwithM=(Co, Mg) and (Ni, Mg). Journal of Solid State Chemistry. 130:9-19. 1997
- Structural chemistry of NaCoPO4. Acta Crystallographica. Section B: Structural Science, Crystal Engineering and Materials. 52:440-449. 1996
- Surinamite analogs in the MgO-Ga2O3-GeO2 and MgO-Al2O3-GeO2 systems. Physics and Chemistry of Minerals. 23:151-156. 1996
- Surinamite analogs in the MgO-Ga2O3-GeO2 and MgO-Al2O3-GeO2 systems. Physics and Chemistry of Minerals. 23:151-156. 1996
- The crystal structure of Ni5(AsO4)2(OH)4 and its comparison to other M5(XO4)2(OH)4 compounds. European Journal of Mineralogy. 8:77-84. 1996
- ChemInform Abstract: Co10Ge3O16.. ChemInform. 26:no-no. 1995
- Phase Transformation in Pb4(PO4)2CrO4. Journal of Solid State Chemistry. 116:179-184. 1995
- Co10Ge3O16. Acta Crystallographica Section C: Crystal Structure Communications. 51:343-345. 1995
- Structure refinement of Na2(Mg, Fe)6[(Ge, Fe)6O18]O2, a new aenigmatite-analog. Zeitschrift fur Kristallographie - Crystalline Materials. 210:19-23. 1995
- Crystal chemistry of the (Na,K)GaSiCO4 system. European Journal of Mineralogy. 5:297-306. 1993
- Structures of the nickel gallosilicate spinelloids. Acta Crystallographica. Section B: Structural Science, Crystal Engineering and Materials. 49:204-213. 1993
- Structures of the Stuffed Tridymite Derivatives, BaMSiO4 (M = Co, Zn, Mg). Journal of Solid State Chemistry. 102:115-125. 1993
- Structural refinements of eulytite-type Ca3Bi(PO4)3 and Ba3La(PO4)3. Journal of Solid State Chemistry. 101:249-256. 1992
- ChemInform Abstract: The Structural Refinement of Olivine‐Type LiMgAsO4. ChemInform. 23:no-no. 1992
- Structural Refinement of Olivine-Type LiMgAsO4. Australian Journal of Chemistry. 45:1355-1355. 1992
- The crystal structure of (Mg,Ga)8(Ga,Ge)2O12. Zeitschrift für Kristallographie - New Crystal Structures. 198:79-88. 1992
- Structures of orthorhombic and monoclinic Ni3(AsO4)2. Acta Crystallographica. Section B: Structural Science, Crystal Engineering and Materials. 47:457-462. 1991
- Phase formation in the system (Ca,Sr)Al2O4. European Journal of Mineralogy. 2:273-282. 1990
- Mg4Ga8Ge2O20: A new synthetic analog of the mineral sapphirine. Physics and Chemistry of Minerals. 17:246-252. 1990
- MG4GA8GE2O20 - A NEW SYNTHETIC ANALOG OF THE MINERAL SAPPHIRINE. Physics and Chemistry of Minerals. 17:246-252. 1990
- ChemInform Abstract: LiMgVO4: Powder Neutron Refinement and Crystal Chemistry.. ChemInform. 20:no-no. 1989
- In1.2Ga0.8MgO4: Powder neutron refinement and crystal chemistry. Journal of Solid State Chemistry. 82:115-121. 1989
- Structure of aerugite (Ni8.5As3O16) and interrelated arsenate and germanate structural series. Acta Crystallographica. Section B: Structural Science, Crystal Engineering and Materials. 45:201-205. 1989
- Electron diffraction investigation of Pb-Stabilised Bi-Sr-Ca-Cu-O high-Tc superconductor. Physica C: Superconductivity and its Applications. 158:241-246. 1989
- New spinelloid phases in the MgGa204-Mg2Ge04 and MgFe204-Mg2Ge04 systems. European Journal of Mineralogy. 1:39-46. 1989
- Investigation of phase relations in the (Na,K)AlGeO4 system. Physics and Chemistry of Minerals. 16:276-285. 1988
- Structure of sapphirine: its relation to the spinel, clinopyroxene and β-gallia structures. Acta Crystallographica. Section B: Structural Science, Crystal Engineering and Materials. 44:373-377. 1988
- Structure of (Ni,Mg)10Ge3O16. Acta Crystallographica Section C: Crystal Structure Communications. 44:232-234. 1988
- LIMGVO4 - POWDER NEUTRON REFINEMENT AND CRYSTAL-CHEMISTRY. European Journal of Solid State and Inorganic Chemistry. 25:609-619. 1988
- Investigation of structural states in the series MGaSiO4, MAlGeO4, MGaGeO4 (M = Na, K). Journal of Solid State Chemistry. 71:361-370. 1987
- (Ni,Mg)4n+6Ge2n+1O8(n+1), a new structural family related to olivine and spinel. Acta Crystallographica. Section B: Structural Science, Crystal Engineering and Materials. 43:422-429. 1987
- INVESTIGATION OF STRUCTURAL STATES IN THE SERIES MGaSiO//4, MAIGeO//4, MGaGeO//4 (M equals Na, K).. Chemtech. 17:361-370. 1987
- (NixMg1−x)10Ge3O16: A new phase with structure related to olivine and spinel. Journal of Solid State Chemistry. 68:52-60. 1987
- Mg7Ga2GeO12, a new spinelloid-related compound, and the structural relations between spinelloids (including spinel) and the β-Ga2O3 and NaCl types. Acta Crystallographica. Section B: Structural Science, Crystal Engineering and Materials. 43:34-40. 1987
- Spinelloid phases in the system MgGa2O4-Mg2GeO4. Physics and Chemistry of Minerals. 13:382-392. 1986
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Spinelloid phases in the system MgGa
2 O4 -Mg2 GeO4 . Physics and Chemistry of Minerals. 13:382-392. 1986 - The structures of the polymorphs of dicalcium silicate, Ca2SiO4. Acta Crystallographica. Section B: Structural Science, Crystal Engineering and Materials. 41:383-390. 1985
- Electron microscope studies of some inorganic and mineral oxide and sulphide systems. Ultramicroscopy. 18:211-234. 1985