Keio University

Published papers

Itoh, Kohei

301-320 items (total 344)

Disorder-Induced Raman Scattering in 70Ge(1-x) 76Gex Isotopic Alloys

Author
P. Etchegoin, H. D. Fuchs, C. H. Grein, K. Itoh, E. E. Haller, and M. Cardona
Publication Title
Magazine name Proc. of 22th ICPS Start Page 277-280 (Publication Date)1995)
Authorship Category
Joint Work
Publication Category
Research paper (international conference proceedings)
Peer-review Status
With

Isotopic Mass Dependence of the Electronic Band Structure and the Vibrational Spectrum of Germanium

Author
C. Parks, A. K. Ramdas, S. Rodriguez, K. M. Itoh, and E. E. Haller
Publication Title
Magazine name Proc. of 22th ICPS Start Page 165-168 (Publication Date)1995)
Authorship Category
Joint Work
Publication Category
Research paper (international conference proceedings)
Peer-review Status
With

Compensation Dependence of Ga Impurity Absorption Spectra in Highly Compensated Ge:Ga,As

Author
K. Itoh, W. Walukiewicz, J. W. Beeman, E. E. Haller, J. W. Farmer, and V. I. Ozhogin
Publication Title
Magazine name Sol. State Comm. Start Page 456 (Publication Date)1995)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Stark-Broadening by Inhomogeneous Electric Field in Compensated Germanium

Author
Y. Harada, K. Fujii, T. Ohyama, E. E. Haller, and K. Itoh
Publication Title
Magazine name Sol. State Comm. Start Page 455 (Publication Date)1995)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Electric Field Broadening of Gallium Acceptor States in Compensated Ge:Ga,As

Author
K. M. Itoh, W. Walukiewicz, J. W. Beeman, E. E. Haller, A. J. Mayur, Hyunjung Kim, M. D. Sciacca, A. K. Ramdas, R. Buczko, J. W. Farmer, and V. I. Ozhogin
Publication Title
Magazine name Materials Science Forum Start Page 127-132 (Publication Date)1995/11)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Neutral Impurity Scattering in Isotopically Engineered Ge

Author
K. M. Itoh, W. Walukiewicz, H. D. Fuchs, J. W. Beeman, E. E. Haller, J. W. Farmer, and V. I. Ozhogin
Publication Title
Magazine name Phys. Rev. B Volume 50(Issue 23) Start Page 16995-17000 (Publication Date)1994/12)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Fine Structure of the Asymmetric Stretching Vibration of Dispersed Oxygen in Monoisotopic Germanium

Author
A. J. Mayur, M. Dean Sciacca, M. K. Udo, A. K. Ramdas, K. M. Itoh, J. A. Wolk, and E. E. Haller
Publication Title
Magazine name Phys. Rev. B Volume 49(Issue 23) Start Page 16293-16299 (Publication Date)1994/06)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Electronic Band Structure of Isotopically Pure Germanium: Modulated Transmission and Reflectivity Study

Author
C. Parks, A. K. Ramdas, and S. Rodriguez, K. M. Itoh, and E. E. Haller
Publication Title
Magazine name Phys. Rev. B Volume 49(Issue 20) Start Page 14244-14250 (Publication Date)1994/05)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Neutron Transmutation Doping of Isotopically Engineered Ge

Author
K. M. Itoh, W. L. Hansen, J. W. Beeman, E. E. Haller, J. W. Farmer, A. Rudnev, A. Tikhomirov, and V. I. Ozhogin
Publication Title
Magazine name Appl. Phys. Lett. Volume 64(Issue 16) Start Page 2121-2123 (Publication Date)1994/04)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Neutron Transmutation Doped Natural and Isotopically Engineered Germanium Thermistors

Author
E. Haller, K. M. Itoh, J. W. Beeman, W. L. Hansen, and V. I. Ozhogin
Publication Title
Magazine name SPIE proceedings series Start Page 630-637 (Publication Date)1994/03)
Authorship Category
Joint Work
Publication Category
Research paper (international conference proceedings)
Peer-review Status
With

Isotopically Controlled Germanium: A New Medium for the Study of Carrier Scattering by Neutral Impurities

Author
H. D. Fuchs, K. M. Itoh, and E. E. Haller
Publication Title
Magazine name Phil. Mag. B Start Page 661-670 (Publication Date)1994/01)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Effects of Isotope Disorder on Phonons in Germanium Determined from Bound Exciton Luminescence

Author
G. Davies, J. Hartung, V. Ozhogin, K. Itoh, W. L. Hansen and E. E. Haller
Publication Title
Magazine name Semic. Sci. and Technol. Start Page 127-130 (Publication Date)1993/11)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Phonons in Isotopically Disordered Ge

Author
P. Etchegoin, H. D. Fuchs, J. Weber, M. Cardona, L. Pintschovius, K. Itoh, and E. E. Haller
Publication Title
Magazine name Phys. Rev. B. Volume 48(Issue 17) Start Page 12661-12671 (Publication Date)1993/11)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Isotope Dependence of the Lowest Direct Energy Gap in Crystalline Germanium

Author
G. Davies, E. C. Lightowlers, T. S. Hui, V. Ozhogin, K. M. Itoh, W. L. Hansen, and E. E. Haller
Publication Title
Magazine name Semic. Sci. and Technol. Start Page 2201-2204 (Publication Date)1993/10)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
Without

High Purity Isotopically Enriched 70Ge and 74Ge Single Crystals: Isotope Separation, Purification and Growth

Author
K. Itoh, W. L. Hansen, E. E. Haller, J. W. Farmer, V. I. Ozhogin, A. Rudnev and A. Tikhomirov
Publication Title
Magazine name J. Mater. Res. Volume 8(Issue 6) Start Page 1341-1347 (Publication Date)1993/06)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Low Temperature Hopping Conduction in Neutron Transmutation Doped Isotopically Enriched

Author
K. M. Itoh, W. L. Hansen, J. W. Beeman, E. E. Haller, J. W. Farmer, and V. I. Ozhogin
Publication Title
Magazine name J. Low Temp. Physics Start Page 307-312 (Publication Date)1993/04)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Ge-Au Eutectic Bonding of Ge{100} Single Crystals

Author
W. B. Knowlton, K. M. Itoh, J.W. Beeman, J. H. Emes, and E. E. Haller
Publication Title
Magazine name J. Low Temp. Physics Start Page 343-348 (Publication Date)1993/04)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
Without

Neutron Transmutation Doping of Isotopically Controlled Germanium

Author
K. Itoh, W. L. Hansen, E. E. Haller, J. W. Farmer and V. I. Ozhogin
Publication Title
Magazine name Materials Science Forum. Start Page 117-122 (Publication Date)1993/03)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Isotopic Dependence of Near-Bandgap Luminescence from Germanium

Author
G. Davies, E. C. Lightowlers, V. Ozhogin, K. Itoh, W. L. Hansen and E. E. Haller
Publication Title
Magazine name Materials Science Forum. Start Page 111-116 (Publication Date)1993/03)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
Without

Vibrational Band Modes in Germanium:Isotopic Disorder-Induced Raman Scattering

Author
H. D. Fuchs, P. Etchegoin, M. Cardona, K. Itoh and E. E. Haller
Publication Title
Magazine name Phys. Rev. Lett. Volume 70(Issue 11) Start Page 1715-1718 (Publication Date)1993/03)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With