George Serghiou

Search results

• 2022

  Wüstite (Fe1−xO) – Thermodynamics and crystal growth

  Hamada, M., Ganschow, S., Klimm, D., Serghiou, G., Reichmann, H.-J. & Bickermann, M., 27 Jun 2022, In: Zeitschrift fur naturforschung section b-A journal of chemical sciences. 77, 6, p. 463-468 6 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Iron Oxide 100%
  • Carbon Dioxide 100%
  • Oxide Compound 100%
  • Single Crystal 100%
  • Crystal Growth 100%
• 2021

  Hexagonal Si-Ge Class of Semiconducting Alloys Prepared Using Pressure and Temperature

  Serghiou, G., Odling, N., Reichmann, H. J., Ji, G., Koch-Mueller, M., Frost, D. J., Wright, J. P., Boehler, R. & Morgenroth, W., 13 Oct 2021, In: Chemistry - A European Journal. 27, 57, p. 14217-14224 8 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Solid Solution 100%
  • Solid Solutions 100%
  • Diamond 50%
  • Ambient Pressure 25%
  • Ray Diffraction 25%

• Unconventional Route to High-Pressure and -Temperature Synthesis of GeSn Solid Solutions

  Serghiou, G., Odling, N., Reichmann, H. J., Spektor, K., Crichton, W. A., Garbarino, G., Mezouar, M. & Pakhomova, A., 19 May 2021, In: Journal of the American Chemical Society. 143, 21, p. 7920-7924 5 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Solid Solution 100%
  • Crystal Structure 50%
  • Diamond 25%
  • Advanced Material 25%
  • Thin Films 25%

• An unexpected cubic symmetry in group IV alloys prepared using pressure and temperature

  Serghiou, G., Reichmann, H. J., Odling, N., Spektor, K., Pakhomova, A., Crichton, W. & Konôpková, Z., 12 Apr 2021, In: Angewandte Chemie International Edition. 60, 16, p. 9009-9014 6 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Diamond 100%
  • Cubic Symmetry 100%
  • Solid Solution 100%
  • Intravaginal 100%
  • formation 100%
• 2015

  Creating Reactivity with Unstable Endmembers using Pressure and Temperature: Synthesis of bulk cubic Mg0.4Fe0.6N

  Serghiou, G., Ji, G., Odling, N., Reichmann, H. J., Morniroli, J.-P., Boehler, R., Frost, D. J., Wright, J. P. & Wunder, B., 30 Dec 2015, In: Angewandte Chemie International Edition. 54, 50, p. 15109 –15112 4 p.

  Research output: Contribution to journal › Article › peer-review

  • Nitride 100%
  • Nitride Compound 100%
  • Endmembers 100%
  • Solid Solution 80%
  • Chemistry 20%

• Synthesis and high-resolution study distinguishing between very similar interstitial iron nitride structures

  Serghiou, G., Ji, G., Odling, N., Reichmann, H. J., Frost, D. J. & Wright, J. P., 2 Jan 2015, In: High Pressure Research. 35, 1, p. 28-26 9 p.

  Research output: Contribution to journal › Article › peer-review

  • Iron Nitride 100%
  • Nitride Compound 100%
  • Nitride 66%
  • Crystal Structure 33%
  • Electron Diffraction 33%
• 2014

  Dense SixGe1-x (0 <x <1) Materials Landscape Using Extreme Conditions and Precession Electron Diffraction

  Serghiou, G., Ji, G., Koch-Mueller, M., Odling, N., Reichmann, H. J., Wright, J. P. & Johnson, P., 2 Jun 2014, In: Inorganic Chemistry. 53, 11, p. 5656-5662 7 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Electron Diffraction 100%
  • Solid Solution 100%
  • Crystal Symmetry 50%

• Melting and homogeneity in germanium-silicon alloys and a modified micro-manufactured assembly for stable high pressure and temperature measurements

  Serghiou, G., Odling, N., Hunter, R., Abbie, A., Armstrong, B. & Lathe, C., Jun 2014, In: High Pressure Research. 34, 2, p. 176-183 8 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Silicon 100%
  • Germanium 100%
  • Solid Solution 100%
  • Si-Ge Alloys 100%
  • Melting Point 100%
• 2010

  Correlation between Structural and Semiconductor-Metal Changes and Extreme Conditions Materials Chemistry in Ge-Sn

  Guillaume, C. L., Serghiou, G., Thomson, A., Morniroli, J.-P., Frost, D. J., Odling, N. & Jeffree, C. E., 20 Sept 2010, In: Inorganic Chemistry. 49, 18, p. 8230-8236 7 p.

  Research output: Contribution to journal › Article › peer-review

  • Electron Diffraction 100%
  • Materials Chemistry 100%
  • Heat Treatment 100%
  • Scanning Electron Microscopy 100%
  • Solid Solution 100%

• Extreme conditions synthesis, processing and characterization of metal-nitrides and alloys of mechanical and optoelectronic importance

  Serghiou, G., McGaff, A. J., Russell, N., Morniroli, J. P., Frost, D. J., Odling, N., Boehler, R., Troadec, D. & Lathe, C., Mar 2010, In: Journal of Physics: Conference Series. 215, 1, 4 p., 012128.

  Research output: Contribution to journal › Article › peer-review

  • Nitride Compound 100%
  • Density 33%
  • Transition Metal 33%
  • Diamond 33%
  • Scanning Electron Microscopy 33%

• Imaging of Mixing and Reaction in Group IV Systems Recovered from High Pressures and Temperatures

  Serghiou, G., Guillaume, C. L., Jeffree, C. A., Thomson, A., Frost, D. J., Morniroli, J. P. & Odling, N., 2010, In: High Pressure Research. 30, 1, p. 44-50 7 p.

  Research output: Contribution to journal › Article › peer-review

  • Solid Solution 100%
  • Focused Ion Beam 50%
  • Ambient Pressure 50%
  • Field Emission 50%
  • Germanium Alloys 50%
• 2009

  Synthesis of a Nitrogen-Stabilized Hexagonal Re3ZnNx Phase Using High Pressures and Temperatures

  Serghiou, G., Guillaume, C. L., Thomson, A., Morniroli, J. P. & Frost, D. J., Jan 2009, In: Journal of the American Chemical Society. 131, 42, p. 15170-15175 6 p.

  Research output: Contribution to journal › Article › peer-review

  • Solid Solution 100%
  • Rhenium 100%
  • Starting Material 50%
  • Bond Formation 50%
  • Anisotropy 50%

• Tuning Between Mixing and Reactivity in the Ge-Sn System Using Pressure and Temperature

  Guillaume, C., Serghiou, G., Thomson, A., Morniroli, J. P., Frost, D. J., Odling, N. & Mezouar, M., Jan 2009, In: Journal of the American Chemical Society. 131, 22, p. 7550-7551 2 p.

  Research output: Contribution to journal › Article › peer-review

  • Ray Diffraction 100%
  • Starting Material 100%
  • Space Group 100%
  • Solid Solution 100%
  • X-Ray Diffraction 100%
• 2008

  Metal nitride and alloy synthesis using high pressures and temperatures

  McGaff, A. J., Serghiou, G. & Frost, D. J., Jan 2008, In: High Pressure Research. 28, 4, p. 491-495 5 p.

  Research output: Contribution to journal › Article › peer-review

  • Binary Alloy 100%

• Synthesis of Metal Nitrides Using High Pressures and Temperatures

  Guillaume, C., Morniroli, J. P., Frost, D. J. & Serghiou, G., Jan 2008, In: Journal of Physics: Conference Series. 121, p. 092005-092009 5 p.

  Research output: Contribution to journal › Article › peer-review
• 2006

  Synthesis of hexagonal Ni3N using high pressures and temperatures

  Guillaume, C., Morniroli, J. P., Frost, D. J. & Serghiou, G., 20 Sept 2006, In: Journal of Physics: Condensed Matter. 18, 37, p. 8651-8660 10 p.

  Research output: Contribution to journal › Article › peer-review

  • Nitride 100%
  • Nitride Compound 100%
  • Space Group 40%
  • Rhenium 40%
  • formation 40%

• Decomposition of alkanes at high pressures and temperatures

  Zerr, A., Serghiou, G., Boehler, R. & Ross, M., 2006, In: High Pressure Research. 26, p. 23-32 10 p.

  Research output: Contribution to journal › Article › peer-review

• Possible superlattice formation in high-temperature treated carbonaceous MgB2 at elevated pressure

  Tschauner, O., Errandonea, D. & Serghiou, G., 2006, In: Physica B: Condensed Matter. 371, 1, p. 89-94 6 p.

  Research output: Contribution to journal › Article › peer-review

  • X-Ray Diffraction 100%
  • Boron 100%
  • Stress Relaxation 100%
  • Raman Spectroscopy 100%
  • Superlattice 100%

• Synthesis of Ni3N using high pressures and temperatures

  Guillaume, C. L., Morniroli, J. P., Frost, D. J. & Serghiou, G., 2006, In: Journal of Physics: Condensed Matter. 18, 37, p. 8651-8660 10 p.

  Research output: Contribution to journal › Article › peer-review

• 2004

  Stability of K2CrO4 to 50 GPa using Raman Spectroscopy Measurements

  Serghiou, G. & Guillaume, C. L., 2004, In: Journal of Solid State Chemistry. 177, 12, p. 4672-4679 8 p.

  Research output: Contribution to journal › Article › peer-review

• The Role of Medium Range Order in Phase Transitions in Chain Silicates Upon Compression

  Serghiou, G., Chopelas, A. & Boehler, R., 2004, In: Journal of Physics: Condensed Matter. 16, p. 125-261 137 p.

  Research output: Contribution to journal › Article › peer-review

• 2003

  Four to sixfold coordination changes in crystalline silicates at high pressure

  Serghiou, G., Chopelas, A. & Boehler, R., 2003, In: High Pressure Research. 23, p. 45-53 9 p.

  Research output: Contribution to journal › Article › peer-review

• High-pressure phase transitions in tetrahedrally coordinated chain structures

  Serghiou, G., 2003, In: Journal of Raman Spectroscopy. 34, 41128, p. 587-590 4 p.

  Research output: Contribution to journal › Article › peer-review

• 2002

  Spectroscopic evidence for pressure-induced phase transitions in diopside

  Chopelas, A. & Serghiou, G., 2002, In: Physics and Chemistry of Minerals. 29, p. 403-408 6 p.

  Research output: Contribution to journal › Article › peer-review

• 2000

  Explanation of pressure-induced transformations in chain silicates based on their modular structures

  Serghiou, G., Chopelas, A. & Boehler, R., 2000, In: Journal of Physics: Condensed Matter. 12, p. 8939-8952 14 p.

  Research output: Contribution to journal › Article › peer-review

• 1999

  Synthesis of a cubic Ge3N4 phase at high pressures and temperatures

  Serghiou, G., Miehe, G., Tschauner, O., Zerr, A. & Boehler, R., 1999, In: Journal of Chemical Physics. 111, p. 4659-4662 4 p.

  Research output: Contribution to journal › Article › peer-review

• Synthesis of cubic silicon nitride

  Zerr, A., Miehe, G., Serghiou, G., Schwarz, M., Kroke, E., Riedel, R., Fuess, H., Kroll, P. & Boehler, R., 1999, In: Nature. 400, p. 340-342 3 p.

  Research output: Contribution to journal › Article › peer-review

• 1998

  (Mg,Fe)SiO3 perovskite stability under lower mantle conditions

  Serghiou, G., Zerr, A. & Boehler, R., 1998, In: Science. 280, 5372, p. 2093-2095 3 p.

  Research output: Contribution to journal › Article › peer-review