Poppa, Helmut: search on Z-Library

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1

Auger electron spectroscopy applications of a new integral field emission gun with a small spot size

George Todd, Helmut Poppa, Lee H. Veneklasen

Journal:

Thin Solid Films

Year:

1979

Language:

english

File:

PDF, 521 KB

english, 1979

2

In situ oxygen conditioning of (001) MgO thin film substrates for film growth studies by electron microscopy

R.Dale Moorhead, Helmut Poppa

Journal:

Thin Solid Films

Year:

1979

Language:

english

File:

PDF, 411 KB

english, 1979

3

Direct observation of small cluster mobility and ripening

Klaus Heinemann, Helmut Poppa

Journal:

Thin Solid Films

Year:

1976

Language:

english

File:

PDF, 2.61 MB

english, 1976

4

The quantitative measurements of nucleation and growth kinetics of gold on mica

Eal H. Lee, Helmut Poppa, G.M. Pound

Journal:

Thin Solid Films

Year:

1976

Language:

english

File:

PDF, 184 KB

english, 1976

5

The change of surface properties of mica after cleavage (outgassing and decoration studies)

Helmut Poppa, Eal H. Lee

Journal:

Thin Solid Films

Year:

1976

Language:

english

File:

PDF, 304 KB

english, 1976

6

Selected area, stationary beam cratering for high sensitivity depth profiling with a computerized Auger microprobe

Helmut Poppa, Leonel Cota-Araiza

Journal:

Thin Solid Films

Year:

1984

Language:

english

File:

PDF, 757 KB

english, 1984

7

Metal-support interactions during the adsorption of CO on thin layers and islands of epitaxial palladium

Chan Park, Federico Soria, Helmut Poppa

Journal:

Thin Solid Films

Year:

1984

Language:

english

File:

PDF, 886 KB

english, 1984

8

Direct observation of small cluster mobility and ripening

Klaus Heinemann, Helmut Poppa

Journal:

Thin Solid Films

Year:

1976

Language:

english

File:

PDF, 38 KB

english, 1976

9

The interaction of small particles and thin films of metals with gases I. A brief review of the early stages of oxide formation

Journal:

Thin Solid Films

Year:

1976

Language:

english

File:

PDF, 3.00 MB

english, 1976

10

The surface composition of Mica substrates

Helmut Poppa, A.Grant Elliot

Journal:

Surface Science

Year:

1971

Language:

english

File:

PDF, 965 KB

english, 1971

11

ChemInform Abstract: Advanced Experimental Approach to Model Studies of Supported Metal Particle Systems

Journal:

Year:

2000

File:

PDF, 24 KB

2000

12

Model studies in catalysis with uhv-deposited metal particles and clusters

Journal:

Year:

1984

Language:

english

File:

PDF, 3.32 MB

english, 1984

13

ESD ion imaging of adsorbates

Helmut Poppa, Ernst Bauer

Journal:

Surface Science Letters

Year:

1980

Language:

english

File:

PDF, 489 KB

english, 1980

14

UHV in-situ microscopy of precipitation and gas reactions of very small Pt particles

Helmut Poppa, R.D. Moorhead

Journal:

Surface Science Letters

Year:

1981

Language:

english

File:

PDF, 44 KB

english, 1981

15

Surface studies with (clean) supported metal particles and clusters

Helmut R. Poppa

Journal:

Ultramicroscopy

Year:

1983

Language:

english

File:

PDF, 1.28 MB

english, 1983

16

A TEM study of the electron-beam interaction with small supported palladium particles and alumina and titania substrates

Klaus Heinemann, Helmut Poppa

Journal:

Ultramicroscopy

Year:

1985

Language:

english

File:

PDF, 2.62 MB

english, 1985

17

The low-rate growth of particulate Fe on planar alumina supports

Helmut Poppa, C.A. Papageorgopoulos, E. Bauer

Journal:

Ultramicroscopy

Year:

1986

Language:

english

File:

PDF, 497 KB

english, 1986

18

Fern-Interferenzen von Elektronenwellen als Abbesche „Objekte“

Otto Rang, Helmut Poppa

Journal:

Zeitschrift für Physik A Hadrons and Nuclei

Year:

1959

Language:

german

File:

PDF, 1.98 MB

german, 1959

19

Advanced experimental approach to model studies of supported metal particle systems

Journal:

Topics in Catalysis

Year:

2000

Language:

english

File:

PDF, 182 KB

english, 2000

20

BSD ion imaging of adsorbates

Helmut Poppa, Ernst Bauer

Journal:

Surface Science

Year:

1980

Language:

english

File:

PDF, 378 KB

english, 1980

21

UHV in-situ microscopy of precipitation and gas reactions of very small Pt particles

Helmut Poppa, R.D. Moorhead

Journal:

Surface Science

Year:

1981

Language:

english

File:

PDF, 1.23 MB

english, 1981

22

Heterogeneous Nucleation of Bi and Ag on Amorphous Substrates (In Situ Electron Microscopy Studies)

Journal:

Journal of Applied Physics

Year:

1967

Language:

english

File:

PDF, 1.21 MB

english, 1967

23

Controlled vapor growth of small particles of Pd and Fe on thin Al2O3 substrates

Journal:

Journal of Vacuum Science and Technology

Year:

1978

Language:

english

File:

PDF, 1.54 MB

english, 1978

24

High resolution, high speed ultrahigh vacuum microscopy

Journal:

Journal of Vacuum Science & Technology A Vacuum Surfaces and Films

Year:

2004

Language:

english

File:

PDF, 3.31 MB

english, 2004

25

Summary of in situ epitaxial nucleation and growth measurements

Journal:

Journal of Vacuum Science and Technology

Year:

1974

Language:

english

File:

PDF, 1005 KB

english, 1974

26

Epitaxial Orientation Studies of Gold on uhv-Cleaved Mica during Early Stages of Nucleation and Growth

Journal:

Journal of Vacuum Science and Technology

Year:

1971

Language:

english

File:

PDF, 3.08 MB

english, 1971

27

Progress in the Continuous Observation of Thin-Film Nucleation and Growth Processes by Electron Microscopy

Journal:

Journal of Vacuum Science and Technology

Year:

1965

Language:

english

File:

PDF, 2.42 MB

english, 1965

28

Nucleation, Growth, and TEM Analysis of Metal Particles and Clusters Deposited in UHV

Journal:

Catalysis Reviews

Year:

1993

Language:

english

File:

PDF, 4.32 MB

english, 1993

29

Sputtering experiments inside the electron microscope

Journal:

Philosophical Magazine

Year:

1962

Language:

english

File:

PDF, 2.76 MB

english, 1962

30

The Analysis of Vapor-Deposited Pd Particles Supported on Thin Oxides

Poppa, Helmut, Rumpf, F., Moorhead, R. D., Henry, C.

Journal:

MRS Proceedings

Year:

1987

Language:

english

File:

PDF, 4.83 MB

english, 1987

31

Spin Polarized Low Energy Electron Microscopy (Spleem) of Single and Combined Layers of Co, Cu, and Pd on W (110)

Poppa, Helmut, Pinkvos, Heiko, Wurm, Karsten, Bauer, Ernst

Journal:

MRS Proceedings

Year:

1993

Language:

english

File:

PDF, 2.36 MB

english, 1993