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1

Direct observation of carbon-decorated defects in fatigued type 304 stainless steel using positron annihilation spectroscopy

P Asoka-Kumar, J.H Hartley, R.H Howell, P.A Sterne, D Akers, V Shah, A Denison

Journal:

Acta Materialia

Year:

2002

Language:

english

File:

PDF, 123 KB

english, 2002

2

Shock Hugoniot of single crystal copper

Chau, R., StoÌlken, J., Asoka-Kumar, P., Kumar, M., Holmes, N. C.

Journal:

Journal of Applied Physics

Year:

2010

Language:

english

File:

PDF, 1.23 MB

english, 2010

3

Positron annihilation spectroscopy of sputtered boron carbide films

Jacobsohn, L.G., Nastasi, M., Daemen, L.L., Jenei, Z., Asoka-Kumar, P.

Journal:

Diamond and Related Materials

Year:

2005

Language:

english

File:

PDF, 273 KB

english, 2005

4

The process of social stratification in the lineage society of Kolhan in Singhbhum

Sen, Asoka Kumar

Journal:

South Asia Journal of South Asian Studies

Year:

2004

Language:

english

File:

PDF, 126 KB

english, 2004

5

Increased Elemental Specificity of Positron Annihilation Spectra

Asoka-Kumar, P., Alatalo, M., Ghosh, V. J., Kruseman, A. C., Nielsen, B., Lynn, K. G.

Journal:

Physical Review Letters

Year:

1996

Language:

english

File:

PDF, 1.62 MB

english, 1996

6

Hydrogen-induced breakdown of low-temperature molecular-beam epitaxy of Si

Asoka-Kumar, P., Szpala, S., Nielsen, B., Szeles, Cs., Lynn, K. G., Lanford, W. A., Shepard, C. A., Gossmann, H.-J.

Journal:

Physical Review B

Year:

1995

Language:

english

File:

PDF, 142 KB

english, 1995

7

Distribution of point defects in Si(100)/Si grown by low-temperature molecular-beam epitaxy and solid-phase epitaxy

Asoka-Kumar, P., Gossmann, H.-J., Unterwald, F. C., Feldman, L. C., Leung, T. C., Au, H. L., Talyanski, V., Nielsen, B., Lynn, K. G.

Journal:

Physical Review B

Year:

1993

Language:

english

File:

PDF, 500 KB

english, 1993

8

Atom-assisted quadrature squeezing of a mechanical oscillator inside a dispersive cavity

Chauhan, Anil Kumar, Biswas, Asoka

Journal:

Physical Review A

Year:

2016

Language:

english

File:

PDF, 443 KB

english, 2016

9

Motion-induced enhancement of Rabi coupling between atomic ensembles in cavity optomechanics

Chauhan, Anil Kumar, Biswas, Asoka

Journal:

Physical Review A

Year:

2017

Language:

english

File:

PDF, 516 KB

english, 2017

10

Nonreactive Sb/Bi2Sr2CaCu2O8 interface

P.S Asoka Kumar, Shailaja Mahamuni, A.S Nigavekar, S.K Kulkarni

Journal:

Solid State Communications

Year:

1990

Language:

english

File:

PDF, 247 KB

english, 1990

11

Characterization of silicon-implanted SiO2 layers using positron annihilation spectroscopy

G Ghislotti, B Nielsen, P Asoka-Kumar, K.G Lynn, C Szeles, C.E Bottani, S Bertoni, G.F Cerofolini, L Meda

Journal:

Thin Solid Films

Year:

1996

Language:

english

File:

PDF, 484 KB

english, 1996

12

An intense monoenergetic positron beam with an adjustable energy between 0.5 and 3.0 MeV

P. Asoka-kumar, J.S. Greenberg, S.D. Henderson, H. Huomo, M.S. Lubell, K.G. Lynn, R. Mayer, S. McCorkle, J. McDonough, J.C. Palathingal, B.F. Phlips, A. Vehanen, M. Weber, X.Y. Wu

Journal:

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

Year:

1993

Language:

english

File:

PDF, 761 KB

english, 1993

13

Positron annihilation studies of defects in molecular beam epitaxy grown III–V layers

M.T. Umlor, P. Asoka-Kumar, D.J. Keeble, P.W. Cooke, K.G. Lynn

Journal:

Applied Surface Science

Year:

1995

Language:

english

File:

PDF, 419 KB

english, 1995

14

Large solid angle tracking of monte carlo events of heavy ion collisions in tpc magnetic spectrometers

S.J. Lindenbaum, A. Etkin, K.J. Foley, R.W. Hackenburg, R.S. Longacre, W.A. Love, T.W. Morris, E.D. Platner, A.C. Saulys, P.P.V. Asoka-Kumar, C.S. Chan, M.A. Kramer

Journal:

Nuclear Physics A

Year:

1987

Language:

english

File:

PDF, 556 KB

english, 1987

15

Positron annihilation spectroscopy and small angle neutron scattering characterization of nanostructural features in high-nickel model reactor pressure vessel steels

Stephen C. Glade, Brian D. Wirth, G. Robert Odette, P. Asoka-Kumar

Journal:

Journal of Nuclear Materials

Year:

2006

Language:

english

File:

PDF, 470 KB

english, 2006

16

Effect of lattice structure on the positron annihilation with inner shell electrons

M. Alatalo, P. Asoka-Kumar, V.J. Ghosh, B. Nielsen, K.G. Lynn, A.C. Kruseman, A. Van Veen, T. Korhonen, M.J. Puska

Journal:

Journal of Physics and Chemistry of Solids

Year:

1998

Language:

english

File:

PDF, 475 KB

english, 1998

17

Atomic-based calculations of two-detector Doppler-broadening spectra

P.A Sterne, P Asoka-Kumar, R.H Howell

Journal:

Applied Surface Science

Year:

2002

Language:

english

File:

PDF, 96 KB

english, 2002

18

Opportunities for materials characterization using high-energy positron beams

P Asoka-Kumar, R Howell, T.G Nieh, P.A Sterne, B.D Wirth, R.H Dauskardt, K.M Flores, D Suh, G.R Odette

Journal:

Applied Surface Science

Year:

2002

Language:

english

File:

PDF, 241 KB

english, 2002

19

The momentum distribution of annihilating positron-electron pairs in aluminum

V.J. Ghosh, M. Alatalo, P. Asoka-Kumar, K.G. Lynn, A.C. Kruseman

Journal:

Applied Surface Science

Year:

1997

Language:

english

File:

PDF, 343 KB

english, 1997

20

The positron microprobe at LLNL

W Stoeffl, P Asoka-Kumar, R Howell

Journal:

Applied Surface Science

Year:

1999

Language:

english

File:

PDF, 172 KB

english, 1999

21

Positron annihilation studies of fatigue in 304 stainless steel

J.H Hartley, R.H Howell, P Asoka-Kumar, P.A Sterne, D Akers, A Denison

Journal:

Applied Surface Science

Year:

1999

Language:

english

File:

PDF, 67 KB

english, 1999

22

Development of positron diffraction and holography at LLNL

A. Hamza, P. Asoka-Kumar, W. Stoeffl, R. Howell, D. Miller, A. Denison

Journal:

Radiation Physics and Chemistry

Year:

2003

Language:

english

File:

PDF, 249 KB

english, 2003

23

Frequency Dependence of Positron Annihilation Signal from MOS Structure

H. L. Au, P. Asoka-Kumar, C. D. Beling, S. Fung, K. G. Lynn

Journal:

physica status solidi (b)

Year:

1993

Language:

english

File:

PDF, 265 KB

english, 1993

24

Chemical composition and surface chemistry of dc sputtered Pb-doped Bi-Sr-Ca-Cu-O thin films

S. P. Chowdhury, P. S. Asoka Kumar, V. Vasudeva Rao

Journal:

Journal of Superconductivity and Novel Magnetism

Year:

1996

Language:

english

File:

PDF, 319 KB

english, 1996

25

Studies of defects in the near-surface region and at interfaces using low energy positron beams

Journal:

Bulletin of Materials Science

Year:

1997

Language:

english

File:

PDF, 511 KB

english, 1997

26

A multiobjective model of wholesaler-retailers' problem via genetic algorithm

Nirmal Kumar Mahapatra, Asoka Kumar Bhunia, Manoranjah Maiti

Journal:

Journal of Applied Mathematics and Computing

Year:

2005

Language:

english

File:

PDF, 206 KB

english, 2005

27

Relation of polycrystalline Cu(In,Ga)Se2 device efficiency with junction depth and interfacial structure

Art J. Nelson, A.M. Gabor, M.A. Contreras, A. Mason, P. Asoka-Kumar, K.G. Lynn

Journal:

Solar Energy Materials and Solar Cells

Year:

1996

Language:

english

File:

PDF, 448 KB

english, 1996

28

The effects of hydrogen on viscoelastic relaxation in Zr–Ti–Ni–Cu–Be bulk metallic glasses: implications for hydrogen embrittlement

Daewoong Suh, P. Asoka-Kumar, Reinhold H. Dauskardt

Journal:

Acta Materialia

Year:

2002

Language:

english

File:

PDF, 763 KB

english, 2002

29

Variable energy positron beam characterization of defects in as-grown and annealed low temperature grown GaAs

M. T. Umlor, D. J. Keeble, P. W. Cooke, P. Asoka-Kumar, K. G. Lynn

Journal:

Journal of Electronic Materials

Year:

1993

Language:

english

File:

PDF, 369 KB

english, 1993

30

Surface structure of silver thin films on In2O3:Sn and Al2O3

S Kasiviswanathan, P S Asoka Kumar, B K Mathur, K L Chopra

Journal:

Bulletin of Materials Science

Year:

1996

Language:

english

File:

PDF, 1.18 MB

english, 1996

31

Positron annihilation study of P implanted Si

P. Asoka-Kumar, P. Sferlazzo, H.L. Au, K.G. Lynn

Journal:

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

Year:

1993

Language:

english

File:

PDF, 616 KB

english, 1993

32

On the role of classical and quantum notions in channeling and the development of fast positrons as a solid state probe of valence electron and spin densities

Lene Vestergaard Hau, J.A. Golovchenko, R. Haakenaasen, A.W. Hunt, J.P. Peng, P. Asoka-Kumar, K.G. Lynn, M. Weinert, J.C. Palathingal

Journal:

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

Year:

1996

Language:

english

File:

PDF, 1.06 MB

english, 1996

33

A Very High Event Rate Data Acquisition System in Fastbus

Eiseman, S. E., Etkin, A., Foley, K. J., Gould, J. J., Hackenburg, R. W., Longacre, R. S., Love, W. A., Morris, T. W., Platner, E. D., Saulys, A. C., Zein, C., Lindenbaum, S. J., Kumar, P. P. V. Asoka

Journal:

IEEE Transactions on Nuclear Science

Year:

1986

Language:

english

File:

PDF, 285 KB

english, 1986

34

Characterization of free volume changes associated with shear band formation in Zr- and Cu-based bulk metallic glasses

Biraja P. Kanungo, Stephen C. Glade, Palakkal Asoka-Kumar, Katharine M. Flores

Journal:

Year:

2004

Language:

english

File:

PDF, 357 KB

english, 2004

35

Characterization of plasticity-induced structural changes in a Zr-based bulk metallic glass using positron annihilation spectroscopy

Katharine M. Flores, Biraja P. Kanungo, Stephen C. Glade, Palakkal Asoka-Kumar

Journal:

Journal of Non-Crystalline Solids

Year:

2007

Language:

english

File:

PDF, 188 KB

english, 2007

36

The interaction of Ga and N on SiC and LiGaO2 surfaces studied by synchrotron radiation photoemission

Ruth Klauser, P.S Asoka Kumar, T.J Chuang

Journal:

Surface Science

Year:

1998

Language:

english

File:

PDF, 147 KB

english, 1998

37

A synchrotron radiation photoemission study of gallium and nitrogen adsorption on 6H-SiC, LiGaO2 and GaN substrates: initial stages of GaN formation

Ruth Klauser, P.S Asoka Kumar, T.J Chuang

Journal:

Surface Science

Year:

1998

Language:

english

File:

PDF, 612 KB

english, 1998

38

Reactivity and surface modification at a Bi/Bi2Sr2CaCu2O8 interface

P.S. Asoka Kumar, Shailaja Mahamuni, A.S. Nigavekar, S.K. Kulkarni

Journal:

Physica C: Superconductivity

Year:

1992

Language:

english

File:

PDF, 456 KB

english, 1992

39

Effect of different preparation conditions on light emission from silicon implanted SiO2 layers

Ghislotti, G., Nielsen, B., Asoka-Kumar, P., Lynn, K. G., Gambhir, A., Di Mauro, L. F., Bottani, C. E.

Journal:

Journal of Applied Physics

Year:

1996

Language:

english

File:

PDF, 327 KB

english, 1996

40

Comparison of polycrystalline Cu(In,Ga)Se2 device efficiency with junction depth and interfacial structure

Nelson, Art J., Gabor, A. M., Contreras, M. A., Tuttle, J. R., Noufi, R., Sobol, P. E., Asoka-Kumar, P., Lynn, K. G.

Journal:

Journal of Applied Physics

Year:

1995

Language:

english

File:

PDF, 718 KB

english, 1995

41

Calculation of the Doppler broadening of the electron-positron annihilation radiation in defect-free bulk materials

Ghosh, V. J., Alatalo, M., Asoka-Kumar, P., Nielsen, B., Lynn, K. G., Kruseman, A. C., Mijnarends, P. E.

Journal:

Physical Review B

Year:

2000

Language:

english

File:

PDF, 109 KB

english, 2000

42

Positron Annihilation Spectroscopy Study of Interfacial Defects Formed by Anodic Oxidation of Aluminum

Hebert, K. R., Gessmann, T., Lynn, K. G., Asoka-Kumar, P.

Journal:

Journal of The Electrochemical Society

Year:

2004

Language:

english

File:

PDF, 96 KB

english, 2004

43

Geotechnical Characteristics of Marine Sediments in Selected Sectors off West Coast of India vis-a-vis Provenances

Kumar, M. R. Asoka, Kumar, Satish, Mathai, Thomas, Chandran, M. Suresh, Rajarama, K. N.

Journal:

Marine Georesources & Geotechnology

Year:

2010

Language:

english

File:

PDF, 1.01 MB

english, 2010

44

A Comparative Evaluation of the Geotechnical Index Properties of Clayey Sediments along the West Coast of India

Mathai, Thomas, Chandran, M. Suresh, Nair, S. B., Kumar, M. R. Asoka, Kumar, Satish, Kumar, P. Praveen, Rajarama, K. N., George, T. Stephen

Journal:

Marine Georesources & Geotechnology

Year:

2007

Language:

english

File:

PDF, 1.37 MB

english, 2007

45

Positron annihilation studies of diamondlike nanocomposite films

Year:

1995

Language:

english

File:

PDF, 379 KB

english, 1995

46

Positron studies of metal-oxide-semiconductor structures

Au, H. L., Asoka-Kumar, P., Nielsen, B., Lynn, K. G.

Journal:

Journal of Applied Physics

Year:

1993

Language:

english

File:

PDF, 951 KB

english, 1993

47

Study of hydrogen interaction with SiO2/Si(100) system using positrons

Asoka-Kumar, P., Lynn, K. G., Leung, T. C., Nielsen, B., Wu, X. Y.

Journal:

Journal of Applied Physics

Year:

1991

Language:

english

File:

PDF, 690 KB

english, 1991

48

Chemical interactions at a Ti/Bi2Sr2CaCu2O8 interface

Asoka Kumar, P. S., Mahamuni, Shailaja, Nigavekar, A. S., Kulkarni, S. K.

Journal:

Journal of Applied Physics

Year:

1992

Language:

english

File:

PDF, 905 KB

english, 1992

49

Positron annihilation studies in the field induced depletion regions of metal-oxide-semiconductor structures

Asoka-Kumar, P., Leung, T. C., Lynn, K. G., Nielsen, B., Forcier, M. P., Weinberg, Z. A., Rubloff, G. W.

Journal:

Journal of Applied Physics

Year:

1992

Language:

english

File:

PDF, 708 KB

english, 1992

50

Room-temperature reaction of a Ni/Bi2Sr2CaCu2O8 interface

Kumar, P. S. Asoka, Mahumuni, Shailaja, Kulkarni, Pramada, Mulla, I. S., Chandrachood, M., Sinha, A. P. B., Nigavekar, A. S., Kulkarni, S. K.

Journal:

Journal of Applied Physics

Year:

1990

Language:

english

File:

PDF, 674 KB

english, 1990