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1

(Al)GaInP laser with lateral confinement by epitaxial growth on nonplanar substrates

Bona, G.-L., Unger, P., Buchan, N.I., Heuberger, W., Jakubowicz, A., Roentgen, P.

Journal:

IEEE Photonics Technology Letters

Year:

1993

Language:

english

File:

PDF, 428 KB

english, 1993

2

[IEEE 12th IEEE International Conference on Semiconductor Laser - Switzerland (Sept. 9-14, 1990)] 12th IEEE International Conference on Semiconductor Laser - High quality index guided ridge AlGaInP/GaInP visible lasers

Bona, G.L., Roentgen, P., Unger, P., Jaeckel, H.

Year:

1990

Language:

english

File:

PDF, 140 KB

english, 1990

3

[IEEE 13th IEEE International Semiconductor Laser Conference - Kagazwa, Japan (Sept. 21-25, 1992)] 13th IEEE International Semiconductor Laser Conference - Low-threshold strained GaInP quantum-well ridge lasers with AlGaAs Cladding Layers

Unger, P., Bona, G.L., Germann, R., Roentgen, P., Webb, D.J.

Year:

1992

Language:

english

File:

PDF, 267 KB

english, 1992

4

quantum wells grown by low-pressure metal-organic vapor-phase epitaxy with different interruption cycles

Sauer, R., Nilsson, S., Roentgen, P., Heuberger, W., Graf, V., Hangleiter, A., Spycher, R.

Journal:

Physical Review B

Year:

1992

Language:

english

File:

PDF, 1.06 MB

english, 1992

5

Indium-doped GaAs: A very dilute alloy system

Laurenti, J. P., Roentgen, P., Wolter, K., Seibert, K., Kurz, H., Camassel, J.

Journal:

Physical Review B

Year:

1988

Language:

english

File:

PDF, 1.17 MB

english, 1988

6

Indium-doped GaAs: Investigation of deep traps

Laurenti, J. P., Wolter, K., Roentgen, P., Seibert, K., Kurz, H., Camassel, J.

Journal:

Physical Review B

Year:

1989

Language:

english

File:

PDF, 728 KB

english, 1989

7

Two's Company: Double-Chambered Right Ventricle

Napp, L. C., Luesebrink, U., Vogel-Claussen, J., Bauersachs, J., Roentgen, P.

Journal:

Year:

2013

Language:

english

File:

PDF, 1.22 MB

english, 2013

8

Implementing a Routine Outcome Assessment Procedure to Evaluate the Quality of Assistive Technology Service Delivery for Children with Physical or Multiple Disabilities: Perceived Effectiveness, Social Cost, and User Satisfaction

Desideri, Lorenzo, Bizzarri, Martina, Bitelli, Claudio, Roentgen, Uta, Gelderblom, Gert-Jan, de Witte, Luc

Journal:

Assistive Technology

Year:

2015

Language:

english

File:

PDF, 1012 KB

english, 2015

9

Grieg; Moussorgsky;

Rokseth, Yvonne, Roentgen, Julius, van Dalen, Hugo

Journal:

Revue de musicologie

Year:

1931

File:

PDF, 225 KB

1931

10

Assistive technology provision: towards an international framework for assuring availability and accessibility of affordable high-quality assistive technology

de Witte, Luc, Steel, Emily, Gupta, Shivani, Ramos, Vinícius Delgado, Roentgen, Uta

Journal:

Disability & Rehabilitation Assistive Technology

Year:

2018

Language:

english

File:

PDF, 1.25 MB

english, 2018

11

Further Observations on the Properties of X Rays

Roentgen, W. C.

Journal:

Archives of The Roentgen Ray

Year:

1899

Language:

english

File:

PDF, 921 KB

english, 1899

12

Epitaxial growth of Ge on GaAs substrates

H. Kräutle, P. Roentgen, H. Beneking

Journal:

Journal of Crystal Growth

Year:

1983

Language:

english

File:

PDF, 1.49 MB

english, 1983

13

Selective area MOVPE of GaInAs/InP heterostructures on masked and nonplanar (100) and {111} substrates

Y.D. Galeuchet, P. Roentgen

Journal:

Journal of Crystal Growth

Year:

1991

Language:

english

File:

PDF, 270 KB

english, 1991

14

MOVPE of AlGaInP/GaInP heterostructures for visible lasers

P. Roentgen, W. Heuberger, G.L. Bona, P. Unger

Journal:

Journal of Crystal Growth

Year:

1991

Language:

english

File:

PDF, 460 KB

english, 1991

15

Regrowth of InP by MOVPE on dry-etched heterostructures of InP-GaInAsP

A. Catana, R.F. Broom, R. Germann, P. Roentgen

Journal:

Journal of Crystal Growth

Year:

1993

Language:

english

File:

PDF, 427 KB

english, 1993

16

The effect of pressure on the band-gap energy in ordered GaInP and AlGaInP grown by MOVPE

T. Kobayashi, H. Kojima, R.S. Deol, N. Buchan, W. Heuberger, A. Jakubowicz, P. Roentgen

Journal:

Journal of Physics and Chemistry of Solids

Year:

1995

Language:

english

File:

PDF, 782 KB

english, 1995

17

Schottky-barrier tunneling spectroscopy for the electronic subbands of a δ-doping layer

M. Zachau, F. Koch, K. Ploog, P. Roentgen, H. Beneking

Journal:

Solid State Communications

Year:

1986

Language:

english

File:

PDF, 370 KB

english, 1986

18

MOVPE on patterned substrates: a new fabrication method for nanometer structure devices

Yvan D. Galeuchet, Hugo Rothuizen, Peter Roentgen

Journal:

Microelectronic Engineering

Year:

1991

Language:

english

File:

PDF, 231 KB

english, 1991

19

Lateral down-scaling of selective area MOVPE-grown GaInAs/InP wires and dots

H. Rothuizen, P. Roentgen, N. Buchan

Journal:

Microelectronic Engineering

Year:

1993

Language:

english

File:

PDF, 370 KB

english, 1993

20

X-RAY QUALITY AND SKIN REACTION.

GOTTWALD SCHWARZ, Honorary Member of the American Roentgen Society.

Journal:

British Journal of Dermatology

Year:

1940

Language:

english

File:

PDF, 5.09 MB

english, 1940

21

Planar monolithic integration of LED and FET devices on a conductive substrate

Deschler, M., Heyen, M., Roentgen, P., Narozny, P., Beneking, H., Balk, P.

Journal:

IEEE Transactions on Electron Devices

Year:

1987

Language:

english

File:

PDF, 1.04 MB

english, 1987

22

400-mW continuous-wave diode-pumped Cr:LiSAF laser based on a power-scalable concept

Kopf, D., Bona, G. L., Roentgen, P.

Journal:

Year:

1995

Language:

english

File:

PDF, 274 KB

english, 1995

23

Photorefractive power transfer from parallel laser diode amplifiers into a single output beam

Sprenger, M., Ding, Y., Pogany, P., Roentgen, P., Eichler, H.-J.

Journal:

Year:

1997

Language:

english

File:

PDF, 377 KB

english, 1997

24

Surgical Pitfalls of the Quadricuspid Aortic Valve

Oktay Tutarel, Philipp Roentgen, Mechthild Westhoff-Bleck

Journal:

The Annals of Thoracic Surgery

Year:

2007

Language:

english

File:

PDF, 42 KB

english, 2007

25

Pregnancy in a Marfan patient with pre-existing aortic dissection

Oktay Tutarel, Joachim Lotz, Philipp Roentgen, Helmut Drexler, Gerd Peter Meyer, Mechthild Westhoff-Bleck

Journal:

International Journal of Cardiology

Year:

2007

Language:

english

File:

PDF, 147 KB

english, 2007

26

Pulmonary valve replacement in chronic pulmonary regurgitation in adults with congenital heart disease: Impact of preoperative QRS-duration and NT-proBNP levels on postoperative right ventricular function

Mechthild Westhoff-Bleck, Stefan Girke, Thomas Breymann, Joachim Lotz, Stefanie Pertschy, Oktay Tutarel, Philipp Roentgen, Harald Bertram, Armin Wessel, Bernhard Schieffer, Gerd Peter Meyer

Journal:

International Journal of Cardiology

Year:

2011

Language:

english

File:

PDF, 302 KB

english, 2011

27

Low-threshold strained GaInP quantum-well ridge lasers with AlGaAs cladding layers

Unger, P., Bona, G.-L., Germann, R., Roentgen, P., Webb, D.J.

Journal:

IEEE Journal of Quantum Electronics

Year:

1993

Language:

english

File:

PDF, 458 KB

english, 1993

28

Multimodality cardiac imaging for diagnosing rare causes of cardiac arrest

Roentgen, Philipp, Vogel-Claussen, Jens, SchÃ¤fer, Andreas, Issam, Ismail, Bauersachs, Johann

Journal:

Intensive Care Medicine

Year:

2013

Language:

english

File:

PDF, 238 KB

english, 2013

29

Circulating miR-423_5p fails as a biomarker for systemic ventricular function in adults after atrial repair for transposition of the great arteries

Tutarel, Oktay, Dangwal, Seema, Bretthauer, Julia, Westhoff-Bleck, Mechthild, Roentgen, Philipp, Anker, Stefan D., Bauersachs, Johann, Thum, Thomas

Journal:

International Journal of Cardiology

Year:

2013

Language:

english

File:

PDF, 266 KB

english, 2013

30

EFFICACY OF PRASUGREL IN RESUSCITATED PATIENTS DURING THERAPEUTIC HYPOTHERMIA AFTER PERCUTANEOUS CORONARY INTERVENTION FOR ACUTE MYOCARDIAL INFARCTION

Schaefer, Andreas, Roentgen, Philipp, Flierl, Ulrike, Zauner, Florian, Bauersachs, Johann

Journal:

Journal of the American College of Cardiology

Year:

2014

Language:

english

File:

PDF, 233 KB

english, 2014

31

Local mirror temperatures of red-emitting (Al)GaInP quantum-well laser diodes by Raman scattering and reflectance modulation measurements

Epperlein, P. W., Bona, G. L., Roentgen, P.

Journal:

Applied Physics Letters

Year:

1992

Language:

english

File:

PDF, 580 KB

english, 1992

32

Enhanced carrier lifetime and diffusion length in GaAs by strained-layer MOCVD

Beneking, H., Narozny, P., Roentgen, P., Yoshida, M.

Journal:

IEEE Electron Device Letters

Year:

1986

Language:

english

File:

PDF, 277 KB

english, 1986

33

User Evaluation of Two Electronic Mobility Aids for Persons Who Are Visually Impaired: A Quasi-Experimental Study Using a Standardized Mobility Course

Roentgen, Uta R., Gelderblom, Gert Jan, de Witte, Luc P.

Journal:

Assistive Technology

Year:

2012

Language:

english

File:

PDF, 361 KB

english, 2012

34

Declining Cardiopulmonary Exercise Capacity Is Not Associated with Worsening Systolic Systemic Ventricular Dysfunction in Adults with Transposition of Great Arteries after Atrial Switch Operation

Roentgen, Philipp, Kaan, Mareike, Tutarel, Oktay, Meyer, Gerd Peter, Westhoff-Bleck, Mechthild

Journal:

Congenital Heart Disease

Year:

2014

Language:

english

File:

PDF, 222 KB

english, 2014

35

Generation and detection of 15-ps light pulses in the 1.2–1.3-μm wavelength range by semiconductor lasers and detectors

Bimberg, D., Böttcher, E. H., Ketterer, K., Vollmer, H. P., Beneking, H., Roentgen, P.

Journal:

Applied Physics Letters

Year:

1986

Language:

english

File:

PDF, 506 KB

english, 1986

36

In situ buried GaInAs/InP quantum dot arrays by selective area metalorganic vapor phase epitaxy

Galeuchet, Yvan D., Rothuizen, Hugo, Roentgen, Peter

Journal:

Applied Physics Letters

Year:

1991

Language:

english

File:

PDF, 745 KB

english, 1991

37

Thermal carrier emission from a semiconductor quantum well

Weber, S., Limmer, W., Thonke, K., Sauer, R., Panzlaff, K., Bacher, G., Meier, H. P., Roentgen, P.

Journal:

Physical Review B

Year:

1995

Language:

english

File:

PDF, 446 KB

english, 1995

38

GaInAs/InP selective area metalorganic vapor phase epitaxy for one-step-grown buried low-dimensional structures

Galeuchet, Y. D., Roentgen, P., Graf, V.

Journal:

Journal of Applied Physics

Year:

1990

Language:

english

File:

PDF, 1.49 MB

english, 1990

39

Buried GaInAs/InP layers grown on nonplanar substrates by one-step low-pressure metalorganic vapor phase epitaxy

Y. D. Galeuchet, P. Roentgen, V. Graf

Year:

1988

Language:

english

File:

PDF, 568 KB

english, 1988

40

Metalorganic chemical vapor deposition and photoluminescence of nm GaAs doping superlattices

Roentgen, P., Goetz, K.-H., Beneking, H.

Journal:

Journal of Applied Physics

Year:

1985

Language:

english

File:

PDF, 449 KB

english, 1985

41

Compositional variation and ordering of GaxIn1−xP on GaAs structured substrates

Buchan, N., Jakubowicz, A., Broom, R. F., Heuberger, W., Roentgen, P.

Journal:

Applied Physics Letters

Year:

1992

Language:

english

File:

PDF, 615 KB

english, 1992

42

[IEEE LEOS 1991 Summer Topical Meetings on Epitaxial Materials and In-Situ Processing for Optoelectronic Devices. Photonics and Optoelectronics - Newport Beach, CA (July 29 - August 2, 1991)] LEOS 1991 Summer Topical Meetings on Epitaxial Materials and In-Situ Processing for Optoelectronic Devices. Photonics and Optoelectronics - MOVPE Of AiGalnP/GalnP Heterostructures For Visible Quantum Well Lasers

Roentgen, P., Bona, G.L., Heuberger, W., Unger, P.

Year:

1991

File:

PDF, 34 KB

1991

43

Dynamic left ventricular outflow tract obstruction: Hemodynamic pitfall ahead

Napp, L. Christian, Bavendiek, Udo, Tongers, Joern, Bauersachs, Johann, Roentgen, Philipp

Journal:

Acute Cardiac Care

Year:

2013

Language:

english

File:

PDF, 359 KB

english, 2013

44

Characterizing the Inflammatory Tissue Response to Acute Myocardial Infarction by Clinical Multimodality Noninvasive Imaging

Wollenweber, T., Roentgen, P., Schafer, A., Schatka, I., Zwadlo, C., Brunkhorst, T., Berding, G., Bauersachs, J., Bengel, F. M.

Journal:

Circulation Cardiovascular Imaging

Year:

2014

Language:

english

File:

PDF, 771 KB

english, 2014

45

Response to Letter to the Editor

Roentgen, Uta, Gelderblom, Gert Jan, de Witte, Luc

Journal:

Assistive Technology

Year:

2013

Language:

english

File:

PDF, 98 KB

english, 2013

46

Cardiac Magnetic Resonance Imaging for Differentiating New-Onset Right-Sided Heart Failure

Roentgen, P., Fischer, D., Schieffer, B., Klein, G.

Journal:

Year:

2011

Language:

english

File:

PDF, 906 KB

english, 2011

47

Development of a Team-Based Method for Assuring the Quality of Assistive Technology Documentation

Desideri, Lorenzo, Ioele, Francesca Marcella, Roentgen, Uta, Gelderblom, Gert-Jan, de Witte, Luc

Journal:

Assistive Technology

Year:

2014

Language:

english

File:

PDF, 284 KB

english, 2014

48

Junction-side up operation of (Al)GaInP lasers with very low threshold currents

Unger, P., Roentgen, P., Bona, G.L.

Journal:

Electronics Letters

Year:

1992

Language:

english

File:

PDF, 202 KB

english, 1992

49

Fabrication and optical characterisation of first order DFB GaInP/AlGaInP laser structures at 639 nm

Korn, M., Körfer, T., Forchel, A., Roentgen, P.

Journal:

Electronics Letters

Year:

1990

Language:

english

File:

PDF, 260 KB

english, 1990

50

The Development of an Indoor Mobility Course for the Evaluation of Electronic Mobility Aids for Persons Who Are Visually Impaired

Roentgen, Uta R., Gelderblom, Gert Jan, de Witte, Luc P.

Journal:

Assistive Technology

Year:

2012

Language:

english

File:

PDF, 688 KB

english, 2012