Search results

• 2010

  THE WITTELSBACH-GRAFF AND HOPE DIAMONDS: NOT CUT FROM THE SAME ROUGH

  Gaillou, E., Wang, W., Post, J. E., King, J. M., Butler, J. E., Collins, A. T. & Moses, T. M., 1 Jul 2010, In: Gems & Gemology. 46, 2, p. 80 - 88 9 p.

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

  • Diamond 100%
  • History 28%
  • India 14%
  • Show 14%
  • View 14%
  11 Citations (Scopus)
• 2005

  Electro-optical response of a single-crystal diamond ultraviolet photoconductor in transverse configuration

  De Sio, A., Achard, J., Tallaire, A., Sussman, R. S., Collins, A. T., Silva, F. & Pace, E., 23 May 2005, In: APPLIED PHYSICS LETTERS. 86, 21, p. 1-3 3 p., 213504.

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

  • Diamond 100%
  • Photoconducting Material 100%
  • Diamonds 100%
  • Photoconductors 100%
  • Diamond Crystal 100%
  43 Citations (Scopus)

• High-temperature annealing of optical centers in type-Ia diamond

  Collins, A., Connor, A., Cheng-Han, L., Shareef, A. & Spear, P., 2005, In: Journal of Applied Physics. 97, p. 083517-1 - 083517-10

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

• Sub-threshold excitation of luminescene of defects in diamonds

  De Weerdt, F., Collins, A. T., Zugik, M. & Connor, A., 21 Dec 2005, In: JOURNAL OF PHYSICS CONDENSED MATTER. 17, 50, p. 8005 - 8016 12 p.

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

  • Energy 100%
  • Reaction Activation Energy 49%
  2 Citations (Scopus)

• The "amber centres" and their relation to the brown colour in diamond

  Massi, L., Fritsch, E., Collins, A. T., Hainschwang, T. & Notari, F., Oct 2005, In: DIAMOND AND RELATED MATERIALS. 14, 10, p. 1623 - 1629 7 p.

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

  • Color 100%
  • Crystals 100%
  • Plastics 100%
  • Plastic Deformation 50%
  • Infrared Absorption 50%
  46 Citations (Scopus)
• 2004

  Alignment of Ni- and Co-related centres during the growth of high-pressure-high-temperature diamond

  Iakoubovskii, K. & Collins, A. T., 6 Oct 2004, In: JOURNAL OF PHYSICS CONDENSED MATTER. 16, 39, p. 6897 - 6906 10 p.

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

  • High Pressure 100%
  • Diamond 100%
  • Temperature 100%
  • Investigation 50%
  • Electron Paramagnetic Resonance 50%
  23 Citations (Scopus)

• Cathodoluminescence study of H-implanted B-doped diamond samples

  Piccirillo, C., Mainwood, A., Collins, A. T., Newton, M. E. & Kalish, R., Apr 2004, In: DIAMOND AND RELATED MATERIALS. 13, 4-8, p. 944 - 947 4 p.

  Research output: Contribution to journal › Conference paper

  • Sample 100%
  • Cathodoluminescence 100%
  • Temperature 100%
  • Diamond 100%
  • Reaction Temperature 66%
  3 Citations (Scopus)

• The annealing of interstitial-related optical centres in type Ib diamond

  Collins, A. T. & Dahwich, A., Nov 2004, In: DIAMOND AND RELATED MATERIALS. 13, 11-12, p. 1959 - 1962 4 p.

  Research output: Contribution to journal › Conference paper

  • Annealing 100%
  • Diamond 100%
  • Temperature 50%
  • Radiation Damage 50%
  • Optical Spectroscopy 50%
  24 Citations (Scopus)
• 2003

  Absorption spectra of hydrogen in C-13 diamond produced by high-pressure, high-temperature synthesis

  De Weerdt, F., Pal'yanov, Y. N. & Collins, A. T., 21 May 2003, In: JOURNAL OF PHYSICS CONDENSED MATTER. 15, 19, p. 3163 - 3170 8 p.

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

  • Spectra 100%
  • High Temperature 100%
  • High Pressure 100%
  • Bar 71%
  • Vibration 28%
  31 Citations (Scopus)

• Annealing of vacancies and interstitials in diamond

  Iakoubovskii, K., Kiflawi, I., Johnston, K., Collins, A., Davies, G. & Stesmans, A., 31 Dec 2003, In: PHYSICA B. 340, p. 67 - 75 9 p.

  Research output: Contribution to journal › Conference paper

  • Diamond 100%
  • Absorptivity 60%
  • Temperature 40%
  • Annealing 40%
  • Annealing Temperature 40%
  58 Citations (Scopus)

• The detection of colour-enhanced and synthetic gem diamonds by optical spectroscopy

  Collins, A. T., Oct 2003, In: DIAMOND AND RELATED MATERIALS. 12, 10-11, p. 1976 - 1983 8 p.

  Research output: Contribution to journal › Conference paper

  • Diamond 100%
  • Color 100%
  • Optical Spectroscopy 100%
  • Spectroscopy 100%
  • Annealing 50%
  57 Citations (Scopus)

• The influence of pressure on high-pressure, high-temperature annealing of type Ia diamond

  De Weerdt, F. & Collins, A. T., Mar 2003, In: DIAMOND AND RELATED MATERIALS. 12, 3-7, p. 507 - 510 4 p.

  Research output: Contribution to journal › Conference paper

  • High Temperature 100%
  • High Pressure 100%
  • Diamond 100%
  • Temperature 100%
  • Special Attention 33%
  16 Citations (Scopus)

• The production of vacancies in type Ib diamond

  Collins, A. T. & Dahwich, A., 24 Sept 2003, In: JOURNAL OF PHYSICS CONDENSED MATTER. 15, 37, p. L591 - L596

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

  • Diamond 100%
  • Nitrogen 100%
  • Synthetic Diamond 100%
  • Diamonds 100%
  • Show 50%
  21 Citations (Scopus)

• Uniaxial stress measurements on the 1.563 eV nickel-nitrogen related optical transition in synthetic high-pressure, high-temperature diamond

  Smith, A. G., Johnston, K., Collins, A. T., Davies, G. & Mainwood, A., Mar 2003, In: DIAMOND AND RELATED MATERIALS. 12, 3-7, p. 495 - 498 4 p.

  Research output: Contribution to journal › Conference paper

  • High Temperature 100%
  • High Pressure 100%
  • Nickel 100%
  • Stress Measurement 100%
  • Reaction Temperature 100%
  1 Citation (Scopus)
• 2002

  Misidentification of nitrogen-vacancy absorption in diamond

  Collins, A. T. & Ly, C. H., 1 Jul 2002, In: JOURNAL OF PHYSICS CONDENSED MATTER. 14, 25, p. L467 - L471

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

  • Diamond 100%
  • Annealing 50%
  • Show 25%
  • Electron 25%
  • Small Defect 25%
  14 Citations (Scopus)

• Relative increase in choline in the occipital cortex in chronic fatigue syndrome

  Puri, B. K., Counsell, S. J., Zaman, R., Main, J., Collins, A. G., Hajnal, J. V. & Davey, N. J., Sept 2002, In: Acta Psychiatrica Scandinavica. 106, 3, p. 224-226 3 p.

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

  • Occipital Lobe 100%
  • Choline 100%
  • Frontal Lobe 33%
  • Brain 16%
  • Motor Cortex 16%
  67 Citations (Scopus)

• The Fermi level in diamond

  Collins, A. T., 15 Apr 2002, In: JOURNAL OF PHYSICS CONDENSED MATTER. 14, 14, p. 3743 - 3750 8 p.

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

  • Diamond 100%
  • State-of-Charge 50%
  • Temperature 25%
  • Semiconductor Material 25%
  • Band-Gap Material 25%
  128 Citations (Scopus)
• 2001

  High temperature annealing of colour centres in diamond

  Collins, A., 2001, Proceedings of the Sixth Applied Diamond Conference/ Second Frontier Carbon Technology Joint Conference (ADC/FCT). Unknown Publisher, p. 223 - 231 9 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference paper

• The colour of diamond and how it may be changed

  Collins, A. T., 2001, In: Journal of Gemmology. 27, p. 341 - 359 19 p.

  Research output: Contribution to journal › Article › peer-review
• 2000

  Colour changes produced in natural brown diamonds by high-pressure, high-temperature treatment

  Collins, A. T., Kanda, H. & Kitawaki, H., 1 Mar 2000, In: DIAMOND AND RELATED MATERIALS. 9, 2, p. 113 - 122 10 p.

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

  • Color 100%
  • High Temperature 100%
  • High Pressure 100%
  • State 25%
  • Luminescence 25%
  156 Citations (Scopus)

• Experimental and theoretical studies of cobalt defects in diamond

  Johnston, K., Mainwood, A., Collins, A. T., Davies, G., Twitchen, D., Newton, M. & Baker, J. M., Apr 2000, In: DIAMOND AND RELATED MATERIALS. 9, 3-6, p. 424 - 427 4 p.

  Research output: Contribution to journal › Conference paper

  • Diamond 100%
  • Cobalt 100%
  • Characteristics 33%
  • Nitrogen Pair 33%
  • Monoclinic 33%
  15 Citations (Scopus)

• Spectroscopy of defects and transition metals in diamond

  Collins, A. T., Apr 2000, In: DIAMOND AND RELATED MATERIALS. 9, 3-6, p. 417 - 423 7 p.

  Research output: Contribution to journal › Conference paper

  • Diamond 100%
  • Transition Metal 100%
  • Nickel 50%
  • Boron 50%
  • Cobalt 50%
  75 Citations (Scopus)

• The electrical and optical properties of diamond

  Collins, A., 2000, Electric Refractory Materials. New York: Marcel Dekker, p. 369 - 384 16 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter
• 1999

  Comparison of diamond and silicon ultraviolet photodetectors

  Collins, A. & Hiscock, J., 1999, Diamond and Related Materials. Unknown Publisher, p. 1753 - 1758 6 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference paper

  21 Citations (Scopus)

• Things we still don't know about optical centres in diamond

  Collins, A., 1999, Diamond and Related Materials. Unknown Publisher, p. 1455 - 1462 8 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference paper

  45 Citations (Scopus)

• Transition metals in diamond: experimental and theoretical identification of Co-N complexes

  Johnston, K., Mainwood, A., Collins, A. T., Davies, G., Twitchen, D., Baker, J. M. & Newton, M., 15 Dec 1999, In: PHYSICA B. 274, p. 647 - 650 4 p.

  Research output: Contribution to journal › Conference paper

  • Diamond 100%
  • Transition Metal 100%
  • Cobalt 100%
  • Optical Transition 100%
  • Codes 50%
  9 Citations (Scopus)