Friedrich Seifert
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German mineralogist; Director of the Bayerisches Geoinstitut , Bayreuth
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Friedrich Seifertearth-sciences Degrees
Earth Sciences
#508
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#862
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Mineralogy
#19
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#73
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Earth Sciences
Friedrich Seifert's Degrees
- PhD Mineralogy University of Bayreuth
Why Is Friedrich Seifert Influential?
(Suggest an Edit or Addition)According to Wikipedia, Friedrich Alfred Seifert is a German mineralogist and geophysicist. He is the founding director of Bayerisches Geoinstitut at University of Bayreuth. A silicate mineral, seifertite, is named after him.
Friedrich Seifert's Published Works
Published Works
- The Structure of Silicate Melts: Implications for Chemical and Physical Properties of Natural Magma (Paper 2R0405) (1982) (531)
- Three-dimensional network structure of quenched melts (glass) in the systems SiO 2 -NaAlO 2 , SiO 2 -CaAl 2 O 4 and SiO 2 -MgAl 2 O 4 (1982) (311)
- An interlaboratory comparison of piston-cylinder pressure calibration using the albite-breakdown reaction (1971) (243)
- Curve-fitting of Raman spectra of silicate glasses (1982) (238)
- Mössbauer and ELNES spectroscopy of (Mg,Fe)(Si,Al)O3 perovskite: a highly oxidised component of the lower mantle (2000) (161)
- Relationships between properties and structure of aluminosilicate melts (1985) (143)
- Redox equilibria of iron in alkaline earth silicate melts: relationships between melt structure, oxygen fugacity, temperature and properties of iron-bearing silicate liquids (1984) (136)
- Structure and redox equilibria of iron-bearing silicate melts (1980) (133)
- Redox equilibria and the structural states of ferric and ferrous iron in melts in the system CaO-MgO-Al 2 O 3 -SiO 2 -Fe-O; relationships between redox equilibria, melt structure and liquidus phase equilibria (1985) (128)
- Structural similarity of glasses and melts relevant to petrological processes (1981) (128)
- Stability of Sapphirine: a Study of the Aluminous Part of the System MgO-Al2O3-SiO2- H2O (1974) (113)
- Thermochemistry of MgAl2O4‐Al8/3O4 Defect Spinels (1986) (96)
- Low-temperature Compatibility Relations of Cordierite in Haplopelites of the System K2O—MgO—Al2O3—SiO2—H2O (1970) (95)
- Structural characterization of pentacoordinate silicon in a calcium silicate (1996) (93)
- Synthesis, stability, and properties of Al 2 SiO 4 (OH) 2 ; a fully dehydrated analogue of topaz (1993) (93)
- Subsolidus Phase Relations in the System MgO—SiO2—Gr—O in Equilibrium with Metallic Cr, and their Significance for the Petrochemistry of Chromium (1995) (91)
- Strain analysis of phase transitions in (Ca,Sr)TiO3 perovskites (2001) (88)
- Metastability of enstatite in deep subducting lithosphere (1994) (87)
- A commensurate-incommensurate phase transition in iron-bearing åkermanites (1987) (86)
- Mössbauer spectroscopy of mantle transition zone phases and determination of minimum Fe3+ content (1993) (81)
- Phase transitions in Ca1 −xSrxTiO3 perovskites: effects of composition and temperature (2000) (81)
- Oxygen vacancy ordering in CaTiO3–CaFeO2.5 perovskites: From isolated defects to infinite sheets (1999) (78)
- Chemographic relationships in sapphirine-bearing rocks from Sonapahar, Assam, India (1978) (78)
- Iron oxidation state in lower mantle mineral assemblages: I. Empirical relations derived from high-pressure experiments (2004) (77)
- The cubic-tetragonal phase transition in the system majorite (Mg4Si4O12) – pyrope (Mg3Al2Si3O12), and garnet symmetry in the Earth's transition zone (1997) (76)
- Short-range ordering of oxygen vacancies in CaFexTi1 - xO3 - x/2 perovskites (0 < x < 0.4) (2000) (74)
- Solid solubility of Al2O3 in enstatite at high temperatures and 1–5 kb water pressure (1972) (73)
- Non-linear properties of supercooled liquids in the system Na2OSiO2 (1994) (70)
- Instability of sapphirine at high pressures (1975) (70)
- Raman study of densified vitreous silica (1983) (62)
- Layer topology, stacking variation, and site distortion in melilite-related compounds in the system CaO-ZnO-GeO 2 -SiO 2 (1990) (61)
- X-ray absorption study of Ti-bearing silicate glasses (1994) (61)
- Continental lithosphere : deep seismic reflections (1991) (60)
- Lower temperature stability limit of Mg cordierite in the range 1–7 kb water pressure: A redetermination (1970) (58)
- Synthetic tourmaline (olenite) with excess boron replacing silicon in the tetrahedral site: I. Synthesis conditions, chemical and spectroscopic evidence (2000) (56)
- Stability of the assemblage cordierite +K feldspar+quartz (1976) (55)
- Electronic structure analysis of via x-ray absorption near-edge structure at the Si K, and O K edges (1998) (52)
- Micro-Raman study of perovskites in the CaTiO3–SrTiO3 system (2002) (50)
- Synthesis and stability of micas in the system K2O-MgO-SiO2-H2O and their relations to phlogopite (1971) (49)
- Kinetics of the Fe2+-Mg, Order-Disorder Reaction in Anthophyllites: Quantitative Cooling Rates (1975) (48)
- A class of new high-pressure silica polymorphs (2004) (48)
- Ferric Iron in the Upper Mantle and In Transition Zone Assemblages: Implications for Relative Oxygen Fugacities in the Mantle (2013) (46)
- Structure of densified vitreous silica: Silicon and oxygen XANES spectra and multiple scattering calculations (1992) (46)
- Phase relations in the MgO–P2O5–H2O system and the stability of phosphoellenbergerite: petrological implications (1998) (45)
- Complete substitution of Si for Ti in titanite Ca(Ti (sub 1-x) Si x ) vi Si iv O 5 (1998) (43)
- Phase transitions in A-site substituted perovskite compounds: The (Ca1–2xNaxLax)TiO3 (0⩽x⩽0.5) solid solution (2007) (43)
- Stability of the assemblage orthopyroxene-sillimanite-quartz in the system MgO-FeO-Fe2O3-Al2O3-SiO2-H2O (1981) (42)
- Ferric iron in orthopyroxene: a Mössbauer spectroscopic study (1978) (39)
- A Mössbauer study of oxygen vacancy and cation distribution in 6H-BaTi1−xFexO3−x/2 (2004) (37)
- Compressibility of brownmillerite (Ca2Fe2O5): effect of vacancies on the elastic properties of perovskites (2002) (36)
- Moessbauer spectra of 57 Fe (sub 0.05) Mg (sub 0.95) SiO 3 perovskite at 80 and 298 K (1992) (35)
- Equilibrium and Kinetics in Contact Metamorphism (1991) (35)
- The incommensurate-commensurate phase transition in akermanite, Ca2MgSi2O7, observed by in-situ 29Si MAS NMR spectroscopy (1989) (34)
- Pressure-induced coordination change of Ti in silicate glass: a XANES study (1994) (34)
- Stability of almandine in the system FeO-(Fe2O3)-Al2O3-SiO2-(H2O) at elevated pressures (1971) (32)
- The crystal chemistry of (Mn3 +, Fe3+)-substituted andalusites (viridines and kanonaite), (Al1-x-yMn3x+Fe3y+)2(OǀSiO4): crystal structure refinements, Mössbauer, and polarized optical absorption spectra (1981) (31)
- The restricted stability of osumilite under hydrous conditions in the system K2O-MgO–Al2O3–SiO2–H2O (1981) (29)
- Iron in silicate glasses of granitic composition: a Mössbauer spectroscopic study (1985) (28)
- Volume relaxation of compacted SiO2 glass: a model for the conservation of natural diaplectic glasses (1984) (28)
- The transition from short-range to long-range ordering of oxygen vacancies in CaFexTi1−xO3−x/2 perovskites (2000) (28)
- Multiple-scattering calculations for polymorphs: a comparison to ELNES and XANES spectra (1996) (27)
- Metastability of an osumilite end member in the system K2O-MgO-Al2O3-SiO2-H2O and its possible bearing on the rarity of natural osumilites (1967) (26)
- The nature of the incommensurate structure in åkermanite, Ca2MgSi2O7, and the character of its transformation from the normal structure (2000) (25)
- Mineralogy and genesis of cordierite-anthophyllite rocks from the sulfide deposit of Falun, Sweden (1984) (24)
- Stability relations of chromium kyanite at high pressures and temperatures (1970) (23)
- Optical absorption and mössbauer spectra of purple and green yoderite, a kyanite-related mineral (1978) (22)
- Polarized electronic absorption spectra of synthetic (Mg, Fe)-orthopyroxenes, ferrosilite and Fe3+-bearing ferrosilite (1988) (22)
- Macroscopic and structural changes at the incommensurate-normal phase transition in melilites (1993) (21)
- Displacive phase transitions and spontaneous strains in oxygen deficient CaFexTi1-xO3-x/2 perovskites (0x0.40) (2000) (21)
- Electron-beam induced amorphization of stishovite: Silicon-coordination change observed using Si K-edge extended electron energy-loss fine structure (1998) (20)
- Order and miscibility in the otavite–magnesite solid solution (2007) (19)
- Hard-mode infrared spectroscopy of perovskites across the CaTiO3-SrTiO3 solid solution (2002) (19)
- Stability and Phase Relations of Trioctahedral Calcium Brittle Micas (Clintonite Group) (1976) (18)
- Displacive Phase Transitions in and Strain Analysis of Fe-Doped CaTiO3 Perovskites at High Temperatures by Neutron Diffraction (2002) (18)
- ELNES spectroscopy and XANES calculations of the O K edge: Orientation dependence and effects of protons in Mg(OH) 2 (1999) (18)
- Stability relations of K2Mg5Si12O30, and end member of the merrihueite-roedderite group of meteoritic minerals (1969) (16)
- X-ray powder data for Mg-Al-celadonite (leucophyllite) from Barcza, Poland (1968) (15)
- High Pressure — High Temperature — Synthesis and Properties of Chromium Kyanite, (Al, Cr)2SiO5 (1971) (15)
- A new oxygen-deficient perovskite phase Ca(Fe0.4Si0.6)O2.8 and phase relations along the join CaSiO3–CaFeO2.5 at transition zone conditions (2004) (14)
- Subsolidus, high temperature phase relations in the systems Al2O3-Cr2O3-ZrO2, MgO-Cr2O3-ZrO2 and MgO-Al2O3-ZrO2 (1986) (14)
- Stability of manganocordierite and related phase equilibria in part of the system MnO-Al2O3-SiO2-H2O (1974) (14)
- Oxygen deficient perovskites in the system CaSiO3–CaAlO2.5 and implications for the Earth’s interior (2007) (13)
- Hard mode infrared spectroscopy of CaTiO3—CaFeO2.5 perovskites (2000) (13)
- Theoretical analysis of Si and O XANES spectra of zircon vs alpha-quartz (1996) (12)
- Compositional dependence of the hyperfine interaction of 57Fe in anthophyllite (1977) (12)
- Site occupancy refinement of osumilite (1982) (12)
- Oxygen mobility in the perovskite SrTi1-xFexO3-delta (x=0.8) (2006) (11)
- He+ beam induced damage of silicon carbide studied by vibrational spectroscopy (1997) (10)
- The effect of oxygen vacancies and aluminium substitution on the high-pressure properties of brownmillerite-structured Ca2Fe2−xAlxO5 (2008) (10)
- Fe and Mg local environment in the synthetic enstatite-ferrosilite join: an experimental and theoretical XANES and XRD study (2002) (10)
- Ferric iron in Al-bearing akimotoite coexisting with iron-nickel metal in a shock-melt vein in an L-6 chondrite (2007) (10)
- Cubic–tetragonal phase transition in Ca0.04Sr0.96TiO3: a combined specific heat and neutron diffraction study (2003) (10)
- Lamellar nigerite in Zn-rich spinel from the Falun deposit, Sweden (1987) (9)
- Pressure dependence of crystal structures in the system MgOAl2O3SiO2H2O at pressures up to 30 kilobars (1970) (9)
- Complete substitution of Si for Ti in titanite Ca(Ti1-xSix)VISiIVO5 (1998) (9)
- Stability of the assemblage cordierite—Corundum in the system MgO-Al2O3-SiO2-H2O (1973) (9)
- Oxygen–metal bonding in Ti-bearing compounds from O 1s spectra and ab initio full multiple-scattering calculations (2002) (8)
- Compression of cadmium orthosilicate, Cd2SiO4 : a high-pressure single-crystal diffraction study (1998) (8)
- Recent Advances in the Mineralogical Applications of the 57Fe Mössbauer Effect (1988) (8)
- The effect of pressure on cation ordering in minerals: Problems and perspectives (1999) (8)
- Symmetry role on the preedge X-ray absorption fine structure at the metal K edge. (2001) (7)
- The System Magnesium Cordierite-Cobalt Cordierite (1984) (7)
- High-pressure and high-temperature polymorphism in silica (2003) (7)
- Oxygen 1s ELNES study of perovskites (Ca,Sr,Ba)TiO3. (2001) (6)
- The crystal chemistry of (Mn3+, Fe3+)-substituted andalusites (viridines and kanonaite), (Al1-x-yMnx3+Fe3+y )2 (O|SiO4): crystal structure refinements, Mössbauer, and polarized optical absorption spectra (1981) (6)
- A new magnesium aluminium zirconium oxide, Mg5+xAl2.4−xZr1.7+0.25xO12 with -0.4≲x≲0.4 (1983) (6)
- Rheology and microstructure of (Ca0.9,Sr0.1)TiO3 perovskite deformed in compression and torsion (2010) (6)
- Next-nearest-neighbour effects at the Al K-edge of garnets (1996) (5)
- New Yb-doped fluoride phosphate laser glass-structural investigations using probe ions (1997) (4)
- In Situ high temperature study of titanium coordination in a Rb-silicate glass and liquid to 1400°C (1994) (4)
- A high-temperature device for in situ measurement of X-ray absorption spectra (1993) (4)
- A series of rare earth silicates RE3+2M3+[SiO4]2 (OH) (1983) (3)
- ELNES Si L-, K-edge and 0 K-edge spectroscopy as a tool for distinction of four- vs. six-coordinated silicon in high-pressure phases (1996) (3)
- Phase transitions in A-site substituted perovskite compounds: The (Ca{sub 1-2x}Na{sub x}La{sub x})TiO{sub 3} (0= (2007) (2)
- Experimental study on the solubility of Cr2+ in olivine, orthopyroxene and spinel solid solutions (1997) (2)
- Relationship of Fibrolite to Sillimanite (1973) (2)
- Oxygen Vacancies in Perovskite and Related Structures: Implications for the Lower Mantle (2002) (2)
- The Protein Crystallization Facility (PCF) for EURECA. (1988) (1)
- X-Ray Absorption Spectroscopy (1991) (1)
- Iron oxidation state in lower mantle mineral assemblages ; 1:Experimental synthesis at high pressure (2004) (1)
- Experimental and theoretical XANES study of the effects of Fe-Mg solid solution in the enstatite-ferrosilite series. (2001) (1)
- Formation of amorphous and nano-crystalline carbon in C+ implanted silica glass (1996) (1)
- A study of the oxidation state of iron in (Mg,Fe)(Si,Al)O3 perovskite (1998) (1)
- Subsolidus, high temperature phase relations in the systems Al2O3-Cr2O3-ZrO2, MgO-Cr2O3-ZrO2 and MgO-Al2O3-ZrO2 (1986) (1)
- Thermoplastic compositions for producing anti-electrostatic Formkoerpern of highly crystalline polyethylene (1965) (0)
- Thermoplastic compositions for producing anti-electrostatic Formkoerper of polyolefins (1964) (0)
- A Multinuclear , High-Resolution Solid-State NMR of Sorensenite ( Na 4 SnBe 2 ( Si 309 ) " 2 H 20 ) and Comparison with Wollastonite and Pectolite * (0)
- Thermoplastic compositions for producing non-yellowing antistatic Formkoerpern of polyolefins (1965) (0)
- Mössbauer spectroscopy on alumina bearing perovskites of the lower mantle (1998) (0)
- O K-edge ELNES spectroscopy of brucite: orientation-dependence, dehydrationand effects of protons (1998) (0)
- Incorporation of trivalent cations (Fe3+,Al) in calcium silicate perovskite (2003) (0)
- Exchange of silicon by trivalent cations of iron or aluminium in calcium silicate perovskite (2004) (0)
- From field observation to experimental petrology and back: A special issue to honour Werner Schreyer Preface (2008) (0)
- Memorial of Werner Schreyer, 1930-2006 (2007) (0)
- Crystal chemistry of iron in lower mantle perovskites: effects of alumina contents (1998) (0)
- Resistivity relaxation, a new approach to study ionic mobility in perovskite mixed conductors like CaTi0.7Fe0.3O3–δ (2005) (0)
- XAS Study on densified SiO2 glasses (1991) (0)
- Anti Electrostatic molding of polyolefins (1962) (0)
- Erratum to “Iron oxidation state in lower mantle mineral assemblages I. Empirical relations derived from high-pressure experiments” [Earth Planet. Sci. Lett. 222 (2004) 435–449] (2007) (0)
- Tritolyl phosphate--a suitable immersion oil for fluid inclusion freezing-stage studies (1978) (0)
- Subsolidus Phase Relations in the System MgO–SiO2–Cr–O and Thermodynamic Properties of Related Cr2+–Containing End–members (2009) (0)
- Partially vulcanized molding compounds based on polypropylene (1963) (0)
- MgO—SiO2—Sr—O体系的亚固相相关系及有关含Cr^2+端员矿物的热力学特征 (1996) (0)
- High-Temperature Creep of (Ca,Sr)TiO 3 Perovskite (2001) (0)
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