|









Questions? Contact
us
Last Updated: 03/10/05
This is an unofficial version
of the NASA version of the Astrochem lab site at http://web99.arc.nasa.gov/~astrochm/
|   Weisman,
J. L., T.J. Lee, F. Salama and M. Head-Gordon (2003) Time Dependent Density
FunctionalTheory Calculations of large Compact PAH Cations: Implications for
the DiffuseInterstellar Bands Astrophys. J., inpress.
  Halasinski,
T. M., J. L. Weisman, T. J. Lee, F. Salama and M. Head-Gordon (2003) ElectronicAbsorption
Spectra of Neutral Perylene (C20H12), Terrylene (C30H16),
and Quaterrylene (C40H20) and their Positive and Negative
Ions: Ne Matrix-IsolationSpectroscopy and Time Dependent Density Functional
Theory Calculations J. Phys. Chem., in press.
  Allamandola,
L.J. and Hudgins, D.M. (2003) "From Interstellar Polycyclic Aromatic Hydrocarbons
and Ice to Astrobiology." in the Prodeedings of the NATO ASI entitled "Solid
State Astrochemistry", V. Pirronello and J. Krelowski (eds.), Kluwer: Dordrecht.
[PDF]
 
Biennier, L., F.Salama, L.J. Allamandola, J. J. Scherer and A. O'Keefe (2003)
Pulsed dischargenozzle cavity ring down spectroscopy of cold PAH ions J.
Chem. Phys., 118, 7863-7872. [PDF]
  Mattioda,
A. L., Hudgins, D. M., Bauschlicher, Jr., C. W., Rosi, M., Allamandola, L. J.
(2003). Infrared Spectroscopy of Matrix-Isolated Polycyclic Aromatic Hydrocarbons,
6. Polycyclic Aromatic Nitrogen Heterocycles and their Cations. J. Phys Chem
A, 107, 1486-1498. [PDF]
    Gudipati,
M. S. Dworkin, J. P., Chillier, X. D. F. & Allamandola, L. J. Luminescence
from VUV irradiated cosmic ice analogs and residues. Astrophys.
J., 583, 514-523. [PDF]
 Hudgins,
D.M. (2002) "Interstellar Polycyclic Aromatic Compounds and Astrophysics." Polycyclic
Aromatic Compounds, 22, 469-488. [PDF]
  Ehrenfreund,
P., J. Cami, J. Jimenez-Vicente, B. Foing, L. Kaper, A. Van Der Meer, N. Cox,
L.d'Hendecourt, J. Maier, F. Salama, P. Sarre, T. Snow and P. Sonnentrucker
(2002). Carbon Chemistry and the Diffuse Interstellar Bands in the MagellanicClouds
Astrophys. J., 576, L117-L120. [PDF]
  Ruiterkamp,
R., T. Halasinski, F. Salama, B. Foing, L. J. Allamandola, W. Schmidt and P.
Ehrenfreund (2002). Spectroscopy of large PAHs. Laboratory studies and comparison
to the DiffuseInterstellar Bands Astron. & Astrophys., 390,
1153-1170. [PDF]

Chillier, X. D. F., Stone, B. M., Joblin, C., Salama, F.,
& Allamandola, L. J. (2002). D1 (2B2g)
> D0 (2Au) Fluorescence From the Matrix-Isolated
Perylene Cation Following Laser Excitation into the D5 (2B3g)
and D2 (2B3g) Electronic States. J. Chem.
Phys., 116 5725-5730. [PDF]
    
Pendleton, Y.J. and Allamandola, L.J. (2002). The Organic Refractory Material
in the Diffuse Interstellar Medium:Mid-IR Spectroscopic Constraints. Astrophys
J. Supp. Ser., 138, 75-98. [interactive
3-D] [PDF]
 Biennier,
L., F. Salama, L.J. Allamandola, J. J. Scherer and A. O'Keefe (2002) "Gas Phase
Spectroscopy of Cold PAH Ions: Contribution to the Interstellar Extinction and
the Diffuse Interstellar Bands." in NASA Laboratory Astrophysics Workshop, F.
Salama editorNASA Conference Proceedings, NASA STI, NASA-Ames Research Center
Vol.211863, 113. [Link
to abstracts]
 
Ruiterkamp, R., T. Halasinski, F. Salama, P. Ehrenfreund, Bernard H. Foing and
W. Schmidt (2002) "ORGANICS on the International Space Station: Evolution of
Organic Matter in Space" in NASA Laboratory Astrophysics Workshop, F. Salama
editor NASA Conference Proceedings, NASA STI, NASA-Ames Research Center Vol.211863,
149. [Link
to abstracts]

Chillier, X., Boulet, P.,Chermette, H.,Salama, F., and Weber,
J. (2001) Absorption and Emission Spectroscopy of Matrix-Isolated Benzo[g,h,i]
Perylene. An Experimental and Theoretical Study for Astrochemical Applications
J. Chem. Phys., 115, 1769-1776. [PDF]
 
Hony, S., Van Kerckhoven, C., Peeters, E., Tielens, A. G.
G. M., Hudgins, D. M., & Allamandola, L. J. (2001). The CH out-of-plane
bending modes of PAH molecules in astrophysical environments. Astron. Astrophys.,
370, 1030-1043. [PDF]

Hudgins, D. M., Bauschlicher, Jr., C. W., & Allamandola,
L. J. (2001). Closed-Shell Polycyclic Aromatic Hydrocarbon (PAH) Cations: A
New Category of Interstellar Polycyclic Aromatic Hydrocarbons. Spectrochemica
Acta A, 57, 907 - 930. [PDF]

Salama, F. (2001). Molecular Spectroscopy in Astrophysics: The Case of Polycyclic
Aromatic Hydrocarbons. J. Molec. Struct., 563, 19
  
Salama, F. & Bauschlicher, C. W. eds. (2001). Molecular
Spectroscopy in Astrophysics. Special issue, Spectrochimica Acta: A ,
57, 613 - 614. [PDF] [Table
of contents]
Biennier, L., Romanini,
D., Kachanov, A., Campargue, A., Bussery-Honvault, B. & Bacis, R. (2000)
Structure and rovibrational analysis of the [O2(1\Deltag)v=0]2
<- [O2(3\Sigmag-
)v=0]2transition of the O2 dimer. J.
Chem. Phys.112, 6309. [PDF]
Booth, J.P., Cunge, G.,
Biennier, L., & Romanini, D. (2000) Ultraviolet Cavity Ring-Down Spectroscopy
of Etching Plasmas. Chem. Phys. Lett. 317, 631. [PDF]
 
Halasinski, T, Hudgins, D. M., Salama, F., Allamandola, L. J., & Bally,
T. (2000). Electronic Absorption Spectra of Neutral Pentacene (C22H14-)
and its Positive and Negative Ions in Ne, Ar, and Kr Matrices. J. Phys. Chem.
104, 7484-7491. [PDF]

Hudgins, D. M., Bauschlicher, Jr., C. W., Allamandola, L.
J., & Fetzer, J. C. (2000). Infrared Spectroscopy of Matrix-Isolated Polycyclic
Aromatic Hydrocarbon Ions 5. PAHs Incorporating a Cyclopentadienyl Ring. J.
Phys. Chem. A 104, 3655. [PDF]

Sandford,
S., Greene, T. P., Allamandola, L., Arno, R., Bregman, J., Cox, S., Davis, P.
K., Gonzales, A., Haas, M., Hanel, R., Hines, M., Hudgins, D., Jackson, R. ,
Kittel, P., Lozier, D., Maa, S., & McCreight, C. (2000). An Explorer-class
Astrobiology Mission. In "UV, Optical, and IR Space Telescopes and Instruments,"
eds. J. B. Breckinridge & P. Jakobsen, Proc. SPIE 4013, pp.
604-615.
 
Van Kerckhoven, C., Hony, S., Peeters, E., Tielens, A. G. G. M., Allamandola,
L. J., Hudgins, D. M.,Cox, P., Roelfsema, P. R., Voors, R., Waelkens, C., Waters,
R., & Wesselius, P. R. (2000). The CCC Bending Modes of PAHs: A New Emission
Plateau from 15 to 20 µm. Astron. Astrophys. 357, 1013-1019.
[PDF]

Bauschlicher, Jr., C. W., Hudgins, D. M., & Allamandola, L. J. (1999). The
Infrared Spectra of Polycyclic Aromatic Hydrocarbons Containing a Five-Membered
Ring: Symmetry Breaking and the B3LYP Functional. Theor. Chem. Acc. 103,
154-162. [PDF]

Bernstein, M. P., & Sandford, S. A. (1999). Variations in the Strength of
the Infrared Forbidden 2328.2 cm-1
Fundamental of Solid N2
in Binary Mixtures. Spectrochimica Acta A 55, 2455-2466. [PDF]
Campargue, A., Biennier,
L., Garnache, A., Kachanov, A., Romanini, D. & Herman, M. (1999) High Resolution
absorption Spectroscopy of the V1=2-6 acetylenic overtone of propyne:
spectroscopy and dynamics. J. Chem. Phys. 111, 7888. [PDF]

Chillier, X. D. F., Stone, B. M., Salama, F., & Allamandola, L. J. (1999).
First Detection of an Ultraviolet Transition in an Ionized Polycyclic Aromatic
Hydrocarbon. Letter to the Editor, J. Chem. Phys. 111, 449-451.
[PDF]
 
Hudgins, D. M., & Allamandola, L. J. (1999). Interstellar PAH Emission in
the 11 - 14 Micron Region: New Insights from Laboratory Data and a Tracer of
Ionized PAHs. Astrophys. J. (Letters) 516, L41-L44. [PDF]
 
Hudgins, D. M., & Allamandola, L. J. (1999). The Spacing of the Interstellar
6.2 and 7.7 Micron Emission Features as an Indicator of Polycyclic Aromatic
Hydrocarbon Size. Astrophys. J. (Letters) 513, L69-L73. [PDF]

Joblin, C., Salama, F., & Allamandola, L. J. (1999). Absorption and Emission
of Perylene (C20H12) isolated in Ne, Ar, and N2
Matrices. J. Chem. Phys. 110, 7287-7297. [PDF]
  
Pendleton, Y. J., Tielens, A. G. G. M., Tokunaga, A. T., & Bernstein, M.
P. (1999). The Interstellar 4.62 Micron Band. Astrophys. J. 513,
294-304. [PDF]

Romanini, D., Biennier, L. Salama, F., Kachinov, A. Allamandola, L. J., &
Stoeckel, F. (1999). Jet-Discharge Cavity Ring-down Spectroscopy of Ionized
Polycyclic Aromatic Hydrocarbons: Progress in Testing the PAH Hypothesis for
the Diffuse Interstellar Band Problem. Chem. Phys. Lett. 303,
165-170. [PDF]
 
Sloan, G. C., Hayward, T. L., Allamandola, L. J., Bregman, J. D., DeVito, B.,
& Hudgins, D. M. (1999). Direct Spectroscopic Evidence for Ionized Polycyclic
Aromatic Hydrocarbons in the Interstellar Medium. Astrophys. J. (Letters)
513, L65-L68. [PDF]
Biennier, L. & Campargue,
A.(1998) High Resolution Spectrum of the (3-0) band of the b1\Sigmag-
- X3\Sigmag- Red Atmospheric System of
Oxygen. J. Mol. Spectrosc., 188, 248-250.
Campargue, A. , Biennier,
L. & Herman, M. (1998) The visible absorption spectrum of 12C2H2:
(III) The region 14500-17000 cm-1. Mol. Phys., 93,
457-469.
Campargue, A., Biennier,
L., Kachanov, A., Jost, R., Bussery-Honvault, B., Veyret, V., Churassy, S.,
& Bacis, R. (1998) Rotationally resolved absorption spectrum of the O2
dimer in the visible range. Chem. Phys. Lett. 289, 734-742.

Hudgins, D. M., & Sandford, S. A. (1998). Infrared Spectroscopy of Matrix-Isolated
Polycyclic Aromatic Hydrocarbons 1. PAHs Containing 2 to 4 Rings. J. Phys.
Chem. 102, 329-343. [PDF]

Hudgins, D. M., & Sandford, S. A. (1998). Infrared Spectroscopy of Matrix-Isolated
Polycyclic Aromatic Hydrocarbons 2. PAHs Containing 5 or More Rings. J. Phys.
Chem. 102, 344-352. [PDF]

Hudgins, D. M., & Sandford, S. A. (1998). Infrared Spectroscopy of Matrix-Isolated
Polycyclic Aromatic Hydrocarbons 3. Fluoranthene and the Benzofluoranthenes.
J. Phys. Chem. 102, 353-360. [PDF]
 
Lacy, J. H., Faraji, H., Sandford, S. A., & Allamandola, L. J. (1998). Unraveling
the 10 µm 'Silicate' Feature of Protostars: The Detection of Frozen Interstellar
Ammonia. Astrophys. J. (Letters) 501, L105-L109. [PDF]

Langhoff, S. R., Bauschlicher, Jr., C. W., Hudgins, D. M., Sandford, S. A.,
& Allamandola, L. J. (1998). Infrared spectra of substituted polycyclic
aromatic hydrocarbons. J. Phys. Chem. A 102, 1632-1646. [PDF]
Mattioda,
A., & Frech, R. (1998) Vibrational Spectra, Thermal Analysis and Conductivity
of the Phases of Ammonium Hydrazinium (2+) Sulfate. J. Phys. Chem. Solids
59, 353.
 
Schnaiter, M.,Mutschke, H., Dorschner, J., Henning, Th., & Salama, F. (1998).
Matrix-isolated nano-sized soot grains as an analogue for the 217.5 nm feature
carrier. Astrophys. J. 498, 486-496. [PDF]

Allamandola, L. J. (1997). The Origin, Composition, and History of Comets from
Spectroscopic Studies. In Analysis of Returned Comet Nucleus Samples,
NASA CP-10152.

Bauschlicher, Jr., C. W., Langhoff, S. R., Sandford, S. A., & Hudgins, D.
M. (1997). Infrared Spectra of Perdeuterated Naphthalene, Phenanthrene, Chrysene,
and Pyrene. J. Phys. Chem. A 101, 2414-2422. [PDF]
 
Bernstein, M. P., Sandford, S. A., & Allamandola, L. J. (1997). The Infrared
Spectra of Nitriles and Related Compounds Frozen in Ar and H2O. Astrophys.
J. 476, 932-942. [PDF]

Elsila, J., Allamandola, L. J., and Sandford, S. A. (1997). The 2140 cm-1
(4.673 µm) Solid CO Band: The Case for Interstellar O2
and N2 and the
Photochemistry of Non-Polar Interstellar Ice Analogs. Astrophys. J. 479,
818-838. [PDF]

Hudgins, D. M., & Allamandola, L. J. (1997). Infrared Spectroscopy of Matrix-Isolated
Polycyclic Aromatic Hydrocarbon Cations 4: The Tetracyclic PAH Isomers Chrysene
and 1,2-Benzanthracene. J. Phys. Chem. 101, 3472-3477. [PDF]
Mattioda,
A., & Frech, R. (1997) Vibrational Frequencies of Partially Deuterated Hydrazinium
(2+) Sulfate. Spectrochimica Acta Part A, 53, 1767.
 
Sloan, G. C., Bregman, J. D., Geballe, T. R., Allamandola, L. J., & Woodward,
C. E. (1997). Variations in the 3 µm Spectrum Across the Orion Bar; PAHs
and Related Molecules. Astrophys. J. 474, 735-740. [PDF]
Yang, S., Biennier, L.,
Campargue, A., Abbouti Temsamani, M., & Herman, M. (1997). The absorption
spectrum of acetylene between 12800 and 18500 cm-1: (II) Rotational
analysis, Mol. Phys. 90, 807-816.
 
Bernstein, M. P., Sandford, S. A., & Allamandola, L. J. (1996). Hydrogenated
Polycyclic Aromatic Hydrocarbons (Hn-PAHs)
and the 2940 and 2850 Wavenumber (3.40 and 3.51 Micron) Infrared Emission Features.
Astrophys. J. 472, L127-L130. [PDF]
 
Joblin, C., Tielens, A. G. G. M., Allamandola, L. J., & Geballe, T. R. (1996).
Spatial Variation of the 3.29 and 3.4 Micron Emission Bands within Reflection
Nebulae and the Photochemical Evolution of Methylated Polycyclic Aromatic Hydrocarbons.
Astrophys J. 458, 610-620. [PDF]
  
Roelfsema, P. R., Cox, P., Tielens, A. G. G. M., Allamandola, L. J., Baluteau,
J.-P., Barlow, M., Beintema, D., Boxhoorn, D., Cassinelli, J. P., Caux, E.,
Churchwell, E., Clegg, P. E., de Graauw, T., Heras, A. M., Huygen, R., van der
Hucht, K., Hudgins, D. M., Kessler, M., Lim, T., & Sandford, S. A. (1996).
SWS Observation of IR Emission Features Towards Compact HII
Regions. Astron. Astrophys. 315, L289-L292. [PDF]

Salama, F. (1996). Low Temperature Molecular Spectroscopy: From Ground to Space.
In Low Temperature Molecular Spectroscopy, ed. R. Fausto, NATO/ASI Series,
Series C: Mathematical and Physical Sciences, Kluwer Academic Publishers, Vol.
483, p. 169.
 
Salama, F. (1996). Neutral and Ionized PAH Spectral Properties. Implications
for the Ultraviolet-Visible Interstellar Extinction. In The Cosmic Dust Connection,
ed. J. M. Greenberg, NATO/ASI Series, Kluwer Academic Publishers, p. 103.
 
Sellgren, K., Werner, M. W., & Allamandola, L. J. (1996). A Survey of Near
Infrared Emission in Visual Reflection Nebulae. Astrophys J. Supp. Ser.
102, 369-382.
 
Tielens, A. G. G. M., Wooden, D. H., Allamandola, L. J., Bregman, J., &
Witteborn, F. C. (1996). The 5-8 µm Infrared Spectrum of the Galactic
Center and the Composition of Interstellar Dust. Astrophys. J. 461,
210-222. [PDF]

Hudgins, D. M. & Allamandola, L. J. (1995). Infrared Spectoscopy of Matrix-Isolated
Polycyclic Aromatic Hydrocarbon Cations 2: The Members of the Thermodynamically
Most Favorable Series through Coronene. J. Phys. Chem. 99, 3033-3046.

Hudgins, D. M. & Allamandola, L. J. (1995). Infrared Spectoscopy of Matrix-Isolated
Polycyclic Aromatic Hydrocarbon Cations III: The Polyacenes Anthracene, Tetracene,
and Pentacene. J. Phys. Chem. 99, 8978-8986.

Joblin, C., Salama, F., & Allamandola, L. J. (1995). Photoinduced Fluorescence
from the Perylene Cation Isolated in Ne and Ar Matrices. J. Chem. Phys.
102, 9743-9745. [PDF]
 
Joblin, C., Salama, F., & Allamandola, L. J. (1995). Visible Luminescence
from PAH Cations and the Diffuse Bands in Emission. In The Diffuse Interstellar
bands, eds. A. G. G. M. Tielens & T. P. Snow, Kluwer Academic Publishers,
p. 157.
Mattioda,
A. (1995) Vibrational and Thermal Characterization of Hydrazinium Sulfate
and Ammonium Hydrazinium Sulfate, Dissertation, Research Advisor - Roger Frech.
Mattioda,
A., & Frech, R. (1995) Vibrational Modes of Hydrazine Sulfate and Deuterium-Substituted
Single Crystals, Spectrochimica Acta Part A 51, 2545.
  
Salama, F., Allamandola, L.J., Sandford, S.A., Bregman, J.D., Witteborn, F.C.,
& Cruikshank, D.P. (1995). The Detection of a New Strong Band Near 3590
cm-1
(2.79 µm) in the Spectrum of Io. In
Airborne Astronomy Symposium on the Galactic Ecosystem: From Gas to Stars
to Dust, eds. M.R. Haas, J.A. Davidson, & E.F. Erickson, Astronomical
Society of the Pacific Conference Series, Vol. 73, pp. 337-340.
 
Salama, F., Joblin, C., & Allamandola, L. J.
(1995). Absorption Spectroscopy of Neutral and Ionized PAHs. Implications
for the Diffuse Interstellar Bands. In The Diffuse Interstellar Bands,
eds. A. G. G. M. Tielens & T. P. Snow, Klüwer Academic Publishers,
p. 207.
 
Salama, F., Joblin, C., & Allamandola, L. J. (1995). Neutral and Ionized
PAHs. Contribution to the Interstellar Extinction. Planet. Space Sci.
43, No. 10/11, 1165. [PDF]

Sandford, S.A., Pendleton, Y.J., & Allamandola, L.J. (1995). The Galactic
Distribution of Aliphatic Hydrocarbons in the Diffuse Interstellar Medium.
Astrophys. J. 440, 697-705. [PDF]

Schutte, W.A., Allamandola, L.J., & Sandford, S.A. (1995). Very Low Temperature
Formaldehyde Reactions and the Build-up of Organic Molecules in Comets and
Interstellar Ices. Advances in Space Research 15(#3), (3)401-(3)406.
[PDF]
1994

Bernstein, M.P., Sandford, S.A., Allamandola, L.J., & Chang, S. (1994).
Infrared Spectrum of Matrix-Isolated Hexamethylenetetramine in Ar and H2O
at Cryogenic Temperatures. J. Phys. Chem. 98, 12206-12210.
  
Bohn, R.B., Sandford, S.A., Allamandola, L.J., & Cruikshank, D.P. (1994).
Infrared Spectroscopy of Triton and Pluto Ice Analogs: The Case for Saturated
Hydrocarbons. Icarus 111, 151-173.
 
Gehrz, R.D., Woodward, C.E., Greenhouse, M.A., Starrfield, S., Wooden, D.H.,
Witteborn, F.C., Sandford, S.A., Allamandola, L.J., Bregman, J.D., & Klapisch,
M. (1994). The Temporal Evolution of the 4-14 Micron Spectrum of V1974 Cygni
(Nova Cygni 1992). Astrophys. J. 421, 762-770. [PDF]
Hudgins,
D. M., & Porter, R. F. (1994). Studies of the Hydrated Oxonium Radical,
H3O(H2O)n, and the Ammoniated Ammonium
Radical, NH4(NH3)n, by Neutralized
Ion Beam Techniques. Int.J.Mass Spectrom.Ion Proc. 130, 49.

Hudgins, D.M., Sandford, S.A., & Allamandola, L.J. (1994). Infrared Spectroscopy
of Polycyclic Aromatic Hydrocarbon Cations I: Matrix-Isolated Naphthalene
and Perdeuterated Naphthalene. J. Phys. Chem. 98, 4243-4253.

Hudgins, D.M., Sandford, S.A., Allamandola, L.J., & Tielens, A.G.G.M.
(1994). Mid- and Far-Infrared Spectroscopy of Ices: Optical Constants and
Integrated Absorbances. The AAS CD-ROM Series, Volume 1, (expanded
version of the tables in Astrophys. J. Suppl. Ser. 86, 713-870).
(We can't send you a copy of this but the
files exist on all the CCDs sent out by The Astrophysical Journal to
date.)
 
Pendleton, Y.J., Sandford, S.A., Allamandola, L.J., Tielens, A.G.G.M., &
Sellgren, K. (1994). Near Infrared Absorption Spectroscopy of Interstellar
Hydrocarbon Grains. Astrophys. J. 437, 683-696. [PDF]

Salama, F., & Allamandola, L. (1994). PAHs, DIBs and Interstellar Extinction.
In The First Symposium on the Infrared Cirrus and Diffuse Interstellar
Clouds, eds. R. M. Cutri & W. B. Latter, (San Francisco: ASP), ASP
Conference Series Vol. 58, p. 279.

Salama, F. Joblin, C., & Allamandola, L. J. (1994). Electronic Absorption
Spectroscopy of Matrix-Isolated Polycycic Aromatic Hydrocarbon Cations. II.
The Phenanthrene Cation (C14H10+)
and its 1-Methyl Derivative. J. Chem. Phys. 101, 10252-10262.
[PDF]
  
Sandford, S.A., Geballe, T.R., Salama, F., & Goorvitch, D. (1994). New
Narrow Infrared Absorption Features in the Spectrum of Io Between 3600 and
3100 cm-1 (2.8-3.2
µm). Icarus 110, 292-302.
   
Allamandola, L. J. (1993). ISO, Dust and PAHs. In Astronomical Infrared Spectroscopy:
Future Observational Directions, ed. S. Kwok, Ast. Soc. Pac. Conf. Ser.
41, 197-206.
  
Bregman, J., Rank, D., Sandford, S.A., & Temi, P. (1993). Spectral Imaging
of the 3.3 and 11.3 µm Emission Bands in NGC 1333: Discovery of Spatially
Separate Band Emissions. Astrophys. J. 410, 668-672. [PDF]
 
Bregman, J. D., Rank, D., Temi, P., Hudgins, D. M., & Kay, L. (1993).
3.3 and 11.3 µm Images of HD44179: Evidence for an Optically Thick Polycyclic
Aromatic Hydrocarbon Disk. Astrophys. J. 411, 794. [PDF]

Du, P., Salama, F., & Loew, G. H. (1993). Theoretical Study on the Electronic
Spectra of a Polycyclic Aromatic Hydrocarbon, Naphthalene, and its Derivatives.
Chem. Phys. 173, 421. [PDF]
Frech,
R. Mattioda, A., & Huang, E. (1993) Structure and Vibrational Spectra
of Ammonium Hydrazinium Sulfate, J. Molec. Struct. 295,121.

Hudgins, D. M., Sandford, S. A., Allamandola, L. J., & Tielens, A. G.
G. M. (1993). Mid- and Far-Infrared Spectroscopy of Ices: Optical Constants
and Integrated Absorbances. Astrophys. J. Suppl. Ser. 86, 713-870.
[PDF (29Mb)]

Romesberg, F. E., Bernstein, M. P., Gilchrist, J. H., Fuller, D. J., Harrison,
A. T., & Collum, D. B. (1993). On the Structure of Lithium Hexamethyldisilazide
(LiHMDS) in the Presence of Hexamethylphosphoramide (HMPA). Spectroscopic
and Computational Studies of Monomers, Dimers, and Triple Ions. J. Amer.
Chem. Soc. 115, 3475.

Salama, F. & Allamandola, L. J. (1993). Neutral and Ionized PAHs, The
Diffuse Interstellar Bands, and the Ultraviolet Extinction Curve. J. Chem.
Soc. Faraday Trans. 89, 2277-2284.

Sandford, S.A. (1993). The Mid-Infrared Transmission Spectra of Antarctic
Ureilites. Meteoritics 28, 579-585. [PDF]

Sandford, S. A., & Allamandola, L. J. (1993). H2
in Interstellar and Extragalactic Ices: Infrared Characteristics, UV Production,
and Implications. Astrophys. J. 409, L65-L68. [PDF]

Sandford, S. A., Allamandola, L. J., & Geballe, T. R. (1993). Spectroscopic
Detection of Molecular Hydrogen Frozen in Interstellar Ices. Science
262, 400-402. [revision published in Geballe, T. R., Sandford, S. A.,
& Allamandola, L. J. (2000). Science 287, 976.]
 
Schutte, W. A., Tielens, A. G. G. M., & Allamandola, L. J. (1993). Theoretical
Modelling of the Infrared Fluorescence from Interstellar Polycyclic Aromatic
Hydrocarbons. Astrophys. J. 415, 397-414. [PDF]

Tegler, S.C., Weintraub, D.A., Allamandola, L.J., Sandford, S.A., Rettig,
T.W., & Campins, H. (1993). Detection of the 2165 cm-1
(4.619 µm) XCN Band in the Spectrum of L1551 IRS 5. Astrophys. J.
411, 260-265. [PDF]

Allamandola, L. J. (1992). Grain Spectroscopy. In Astrochemistry of Cosmic
Phenomena, ed. P. D. Singh (Kluwer, Dordrecht), 65-72.
  
Allamandola, L.J., Sandford, S.A., Tielens, A.G.G.M., & Herbst, T.M. (1992).
Spectroscopy of Dense Clouds in the C-H Stretching Region: Methanol and "Diamonds".
Astrophys. J. 399, 134-146. [PDF]
 
Salama, F. & Allamandola, L. J. (1992). Is a Pyrene-Like Molecular Ion
Responsible for the 4430 Å Diffuse Interstellar Band? Nature
358, 42-43.
 
Salama, F. & Allamandola, L. J. (1992). The Ultraviolet and Visible Spectrum
of the PAH C10H8+:
Possible Contributions to the Diffuse Interstellar Bands and to the UV-Visible
Extinction.. Astrophys. J. 395, 301-306. [Abstract]
[PDF]
 
Salama, F., & Allamandola, L. J. (1992). UV-Visible and Near IR Absorption
Characteristics of Interstellar PAHs. I. C12H8+.
In Astrochemistry of Cosmic Phenomena , ed. P. D. Singh, Klüwer
Academic Publishers) p. 25.

Salama, F. & Allamandola, L. J. (1991). Electronic Absorption Spectroscopy
of Matrix-Isolated Polycycic Aromatic Hydrocarbon Cations. I. The Naphthalene
Cation (C10H8+).
J. Chem. Phys. 94, 6964-6977. [PDF]

Salama, F., & Allamandola, L. J. (1991). The Role of Matrix Material and
CCl4
on the Ionization Mechanisms of Matrix-Isolated Naphthalene. J. Chem. Phys.
95, 6190-6191. [PDF]
 
Sandford, S.A. (1991). The Spectrum of NGC 7027 from 3080 to 2630 cm-1
(3.25-3.80 µm): Detection of New Atomic
and Molecular Hydrogen Lines and New Constraints on the Chemical Sidegroups
on PAHs. Astrophys. J. 376, 599-607. [PDF]
 
Sandford, S.A., Allamandola, L.J., Tielens, A.G.G.M., Sellgren, K., Tapia,
M., & Pendleton, Y. (1991). The Interstellar C-H Stretching Band near
3.4 µm: Constraints on the Composition of Organic Material in the Diffuse
Interstellar Medium. Astrophys. J. 371, 607-620. [PDF]
 
Sandford, S.A., Salama, F., Allamandola, L.J., Trafton, L.M., Lester, D.F.,
& Ramseyer, T.F. (1991). Laboratory Studies of the Newly Discovered Infrared
Band at 4705.2 cm-1
(2.1253 µm) in the Spectrum of Io: The Tentative Identification of CO2.
Icarus 91, 125-144.
 
Schutte, W.A., Tielens, A.G.G.M., & Sandford, S.A. (1991). 10 µm
Spectra of Protostars and the Solid Methanol Abundance. Astrophys. J.
382, 523-529. [PDF]
 
Trafton,
L.M., Lester, D.F., Ramseyer, T.F., Sandford, S.A., Salama, F., & Allamandola,
L.J. (1991). A New Class of Absorption Feature in Io's Near-Infrared Spectrum.
Icarus 89, 264-276.
  
Buss Jr., R.H., Cohen, M., Tielens, A.G.G.M., Werner, M.W., Bregman, J.D.,
Witteborn, F.C., Rank, D., & Sandford, S.A. (1990). Hydrocarbon Emission
Features in the IR Spectra of Warm Supergiants. Astrophys. J. 365,
L23-L26. [PDF]
  
Salama, F., Allamandola, L.J., Witteborn, F.C., Cruikshank, D.P., Sandford,
S.A., & Bregman, J.D. (1990). The 2.5-5.0 µm spectra of Io: Evidence
for H2S
and H2O
Frozen in SO2.
Icarus 83, 66-82.
   Salama,
F., Allamandola, L.J., Witteborn, F.C., Cruikshank, D.P., Sandford, S.A.,
& Bregman, J.D. (1990). The 2.5-5.0 µm Spectra of Io: Evidence for
H2S
and H2O
Frozen in SO2.
In Proceedings of the 24th ESLAB Symposium on the Formation of Stars and
Planets, and the Evolution of the Solar System, Friedrichshafen, 17-19
Sept. 1990, ESA SP-315, pp. 203-208.
 
Schutte,
W. A., Tielens, A. G. G. M., Allamandola, L. J., Cohen, M. & Wooden, D.
H. (1990). The Anomalous 3.43 and 3.53 mm
Emission Features Towards HD97048 and Elias I: C-C Vibrational Modes of PAHs?
Astrophys. J. 360, 577-589. [PDF]
 
Allamandola, L. J. (1989). The Infrared Emission Features and Polycyclic Aromatic
Hydrocarbons. In Interstellar Dust, eds. L. J. Allamandola & A.
G. G. M. Tielens (Kluwer, Dordrecht), 129-139.
  
Allamandola, L.J., Bregman, J.D., Sandford, S.A., Tielens,
A.G.G.M., Witteborn, F.C., Wooden, D.H., & Rank, D. (1989). The Discovery
of a New Infrared Emission Feature at 1905 Wavenumbers (5.25 Microns) in the
Spectrum of BD +30°3639 and its Relation to the Polycyclic Aromatic Hydrocarbon
Model. Astrophys. J. 345, L59-L62. [PDF]
 
Allamandola, L. J., Tielens, A. G. G. M., & Barker, J. R. (1989). Interstellar
Polycyclic Aromatic Hydrocarbons: the Infrared Emission Bands, the Excitation-Emission
Mechanism and the Astrophysical Implications. Ap.J. Suppl. Ser. 71,
733-775. [PDF]
  
Bregman, J. D., Allamandola, L. J., Tielens, A. G. G. M., Geballe, T. R.,
& Witteborn, F. C. (1989). The Infrared Emission Bands II: A Spatial and
Spectral Study of the Orion Bar. Astrophys. J. 344, 791-798.
[PDF]
  
Cohen, M., Tielens, A. G. G. M., Bregman, J. D., Witteborn,
F. C., Rank, D. M., Allamandola, L. J., Wooden, D., & de Muizon, M. (1989).
The Infrared Emission Bands III: Southern IRAS Sources. Astrophys. J.
341, 246-269. [PDF]
Hudgins,
D. M., & Porter, R. F. (1988). Weakly Bound Metal Complexes by Neutralized
Ion Beam Techniques: NiL and NiL2 (L = CO, D2O, and
ND3). Rap.Comm.Mass Spectrom. 2(10),
197.
Hudgins,
D. M., Raksit, A. B., & Porter, R. F. (1988). Molecular States Formed
by Ion Beam Neutralization of C2H2+ and C2H3+
on Metal Targets. Org.Mass Spectrom. 23, 375.

Krishna Swamy, K.S., Sandford, S.A., Allamandola, L.J., Witteborn, F.C., &
Bregman, J.D. (1988). A multicomponent model of the infrared emission from
Comet Halley. Icarus 75, 351-370.

Sandford, S.A. (1988). The spectral properties of collected interplanetary
dust particles. In Dust in the Universe, eds. M. E. Bailey & D.
A. Williams, (Cambridge Univ. Press: Cambridge), pp. 193-198.

Sandford, S.A., Allamandola, L.J., Tielens, A.G.G.M., & Valero, G. (1988).
Laboratory studies of the infrared spectral properties of CO in astrophysical
ices. Astrophys. J. 329, 498-510. [PDF]
 
Allamandola, L. J. (1987). Discussion II: Interpretation of IR Observations.
In Polycyclic Aromatic Hydrocarbons and Astrophysics, eds. A. Leger
& L. B. d'Hendecourt, (D. Reidel: Dordrecht), 339.

Allamandola, L. J. (1987). Interstellar Problems and Matrix Solutions. J.
Molec. Structure 157, 255, volume dedicated to Professor G. C.
Pimentel.
 
Allamandola, L. J., Tielens, A. G. G. M., & Barker, J. R. (1987). Infrared
Absorption and Emission Characteristics of Interstellar PAHs. In Interstellar
Processes, eds. D. Hollenbach & H. Thronson, (D. Reidel: Dordrecht),
471.
 
Allamandola, L. J., Tielens, A. G. G. M., & Barker, J. R. (1987). Infrared
Emission From Interstellar PAHs. In Physical Processes in Interstellar
Clouds, eds. G. Morfill & M. Scholer (D. Reidel: Dordrecht), pp. xx-xx.
 
Allamandola, L. J., Tielens, A. G. G. M., & Barker, J. R. (1987). The
IR Emission Features: Emission from PAH Molecules and Amorphous Carbon Particles.
In Polycyclic Aromatic Hydrocarbons and Astrophysics, eds. A. Leger
& L. B. d'Hendecourt, (D. Reidel: Dordrecht), 255.
 
Barker, J. R., Allamandola, L. J., & Tielens, A. G. G. M. (1987). Anharmonicity
and the Interstellar Polycyclic Aromatic Hydrocarbon Infrared Emission Spectrum.
Astrophys. J. 315, L61-65. [PDF]
  
Bregman, J. D., Campins, H., Witteborn, F. C., Wooden, D., Rank, D. M., Allamandola,
L. J., Cohen, M., & Tielens, A.G.G.M. (1987). Airborne and Ground-Based
Spectrophotometry of Comet Halley from 5-13 Micrometers. Astron. Astrophys.
187, 616-620. [PDF]
Raksit,
A. B., Hudgins, D. M., Buchau,S., & Porter, R. F. (1987). Experimental
Evidence for the Imino Methyl Radical by Neutralized Ion Beam Spectroscopy.
Rap.Comm.Mass Spectrom. 1(4), 57.
  
Cohen. M., Allamandola, L. J., Tielens, A. G. G. M., Bregman, J., Simpson,
J., Witteborn, F. C., D. Wooden, & D. Rank (1986). The Infrared Emission
Bands I: Correlation Studies and the Dependence on Nebular C/O Ratio. Astrophys.
J. 302, 737-749. [PDF]

d'Hendecourt, L. B., & Allamandola, L. J. (1986). Infrared Band Cross
Sections of Molecules in the Solid State at 10K. Astron. Astrophys.
Suppl. Ser. 64, 453-467. [PDF]
Fournier,
P. G., Fournier, J., Salama, F., Stark, D., Peyerimhoff, S. D., & Eland,
J. H. D. (1986). Theoretical and Experimental Studies on the Electronic State
of the Diatomic Cation Cl2++.
Phys. Rev. A. 34, 1657. [PDF]

Sandford, S. A. (1986). Acid dissolution experiments: Carbonates and the 6.8
micron bands in interplanetary dust particles. Science 231,
1540-1541.
van
IJzendoorn, L. J., Allamandola, L. J., Baas, F., Kornig, S., & Greenberg,
J. M. (1986). Laser Induced Fluorescence and Phosphorescence of Matrix Isolated
Glyoxal: Evidence for Exciplex Formation in the A1Au
and a3Au States.
J. Chem. Phys. 85, 1812.
  
Cohen. M., Tielens, A. G. G. M., & Allamandola, L. J. (1985). A New Emission
Feature in IRAS Spectra and the Polycyclic Aromatic Hydrocarbon Spectrum.
Astrophys. J. 299, L93-L97. [PDF]
Fournier,
P. G., Fournier, J., Salama, F., Richardson, P. J., & Eland, J. H. D.
(1985). Formation and Dissociation of Doubly Ionized Methane. J. Chem.
Phys. 83, 241.
Fournier,
J., Salama, F., Deson, J., & Le Roy, R. J. (1985). Ultraviolet Photolysis
and Internal Dynamics of Cl2
in a Rare Gas Matrix at 4.2 K. In Photophysics and Photochemistry Above
6 eV, ed. F. Lahmani, Elsevier Science Publ. B.V., Amsterdam, p. 439.
Fournier,
J., Salama, F., & Le Roy, R. J. (1985). Ultraviolet Photolysis and Dynamics
of Cl2 in an
Argon Matrix at 4.2 K. J. Phys. Chem. 89, 3530.
Salama,
F., & Fournier, J. (1985). Determination of the Lowest Bound Ionic State
Threshold of Cl2
Trapped in Solid Argon at 4.5 K Using Synchrotron Radiation. Chem. Phys.
Lett. 120, 35.

Sandford, S. A. (1985). Laboratory infrared transmission spectra from 2.5
to 25 microns of individual interplanetary dust particles. Ph.D. thesis in
Physics, Washington University, St. Louis, MO.

Sandford, S. A., & Walker, R. M. (1985). Laboratory infrared transmission
spectra of individual interplanetary dust particles from 2.5 to 25 microns.
Astrophys. J. 291, 838-851. [PDF]
  
Sellgren, K., Allamandola, L. J., Bregman, J. D., M.W. Werner, & D.H.
Wooden (1985). The 4-13 Micron Spectrum of the Reflection Nebulae NGC 7023
and NGC 2023. Astrophys. J. 299, 416. [PDF]
 
Van der Zwet, G. P., Allamandola, L. J., Baas, F., & Greenberg, J. M.
(1985). Laboratory Identification of the Emission Features Near 3.5 mm
in the Pre-Main-Sequence Star HD97048. Astron. Astrophys. 145,
262-268. [PDF]

Allamandola, L. J. (1984). Absorption and Emission Characteristics of Interstellar
Dust. In XVIth ESLAB Symposium on Galactic and Extragalactic Infrared Spectroscopy,
eds. M. Kessler & P. Phillips (D. Reidel: Dordrecht), p.5.
  
Lacy, J. H., Baas, F., Allamandola, L. J., Van de Bult, C. E. P. M.,Persson,
S. E., McGregor, P. J., Lonsdale, C. J., & Geballe, T. R. (1984). 4.6
mm
Absorption Features due to Solid Phase CO and Cyano Group Molecules toward
Compact Infrared Sources. Astrophys. J. 276, 533-543. [PDF]
 
Sandford, S. A. (1984). Infrared transmission spectra from 2.5 to 25 microns
of various meteorite classes. Icarus 60, 115-126.
  
Tielens, A. G. G. M., Allamandola, L. J., Bregman, J. D., J. Goebel, d'Hendecourt,
L. B., & Witteborn, F. C. (1984). Absorption Features in the 5-8 Micron
Spectra of Protostars. Astrophys. J. 287, 697.
  
Baas, F., Allamandola, L. J., Geballe, T. R., Persson, S. E., & Lacy,
J. H. (1983). Identification of the 3.5 mm
Emission Feature in the Pre-Main-Sequence Star HD-97048. Astrophys. J.
265, 290. [PDF]

Clegg, R. E. S., van IJzendoorn, L. J., & Allamandola, L. J. (1983). Circumstellar
Silicon Chemistry and the SiO Maser. Mon. Not. R. Astron. Soc. 203,
125-146. [PDF]
Fournier,
J., Salama, F., Deson, J., & Le Roy, R. J. (1983). Emission from 3g state
of Cl2
trapped in a rare gas rigid matrix at 4.2 K. Bull. Soc. Chim. Belg.
92, 670 .
van
IJzendoorn, L. J., Allamandola, L. J., Baas, F., & Greenberg, J. M. (1983).
Visible Absorption Spectroscopy of Matrix Isolated HCO: the 2A(p)¨
X2A' Transition.
J. Chem. Phys. 78, 7017.
Hamilton,
C. E., Lesiecki, M. L., Allamandola, L. J., & Nibler, J. W. (1982). Spectroscopy
and Triplet State Lifetime for Yttrium Fluoride (YF) in Inert Gas Matrices.
J. Chem. Phys. 76, 189.
Hanson,
K. M., Bradbury, J. N., Koeppe, R. A., Macek, R. J., Machen, D. R., Morgado,
R., Paciotti, M. A., Sandford, S. A., & Steward, V. W. (1982). Proton
computed tomography of human specimens. Phys. Med. Biol. 27,
no. 1, 25-36.
Lucas,
D., Allamandola, L. J., & Pimentel, G. C. (1982). Matrix Isolation Infrared
Spectra of Hydrogen Halide and Halogen Complexes with Nitrosyl Halide. Croat.
Chem. Acta 55, 121.
 
McGregor, P. J., Persson, S. E., Lacy, J. H., Baas, F., Allamandola, L. J.,
Lonsdale, C. J., & Geballe, T. R. (1982). 4.6 mm
Absorption Features due to Solid Phase CO toward Compact Infrared Sources.
XVIth Eslab Symposium, Galactic and Extra-galactic Infrared Spectroscopy.
(ESTEC Reproduction Services, Noordwijk, Holland), 51.
Paciotti,
M., Bradbury, J., Inoue, H., Rivera, O., & Sandford, S. (1981). Beam characteristics
in the LAMPF biomedical channel. IEEE Trans. Nucl. Sci. (USA), Vol.
ns-28, no. 3, pt. b, 3150-3152.

Allamandola, L. J., Greenberg, J. M., Norman, C. A., & Hagen, W. (1980).
The Chemical Identification of Grain Mantles by Infrared Spectroscopy. In
IAU Symp. 87: Interstellar Molecules, ed. B.H. Andrew (D. Reidel: Dordrecht)
p. 373.

Hagen, W., Allamandola, L. J., & Greenberg, J. M. (1980). Infra-red Absorption
Lines by Molecules in Grain Mantles. Astron. Astrophys., 86,
L3.

Hagen, W., Allamandola, L. J., Greenberg, J. M., & Tielens, A. G. G. M.
(1980). Interstellar Matrices J. Mol. Struct. 80, 281.
Van
de Bult, C. E. P. M., Allamandola, L. J., F. Baas, L.J. van IJzendoorn, &
Greenberg, J. M. (1980). Chemiluminescence of N2,
NH and O2
in Argon Matrices. J. Mol. Struct. 61, 235.
Paciotti,
M., Amols, H., Bradbury, J., Rivera, O., Hogstrom, K., Smith, A., Inoue, H.,
Laubacher, D., & Sandford, S. (1979). Pion beam development for the LAMPF
biomedical project. IEEE Trans. Nucl. Sci. (USA), Vol. ns-26,
no. 3, pt. a, 3071-3073.

Allamandola, L. J., Lucas, D., & Pimentel, G. C. (1978). Synchronized
Flash Photolysis and Pulse Deposition in Matrix Isolation Experiments. Rev.
Sci. Inst. 49, 913.
 
Allamandola, L. J., & Norman, C. A. (1978). Infra-Red Emission Lines from
Molecules in Grain Mantles. Astron. Astrophys. 63, L23-26. [PDF]
 
Allamandola, L. J., & Norman, C. A. (1978). Infrared Molecular Line Emission
from Grain Surfaces in Dense Clouds. Astron. Astrophys. 66,
129-135. [PDF]
Allamandola,
L. J., Rojhantalab, H. M., Nibler, J. W. (1978). Vibrational Energy Transfer
Studies of Matrix Isolated C2-.
Ber. Bunsenges, Phys. Chem. 82, 126-128.
Rojhantalab,
H. M., Allamandola, L. J., & Nibler, J. W. (1978). Flourescence Studies
of Copper (II) Oxide in an Argon Matrix. Ber. Bunsenges. Phys. Chem.
82, 107.
Allamandola,
L. J., Rojhantalab, H. M., Nibler, J. W., & Chappell, T. (1977). Vibrational
Relaxation Studies of Matrix Isolated C2-.
J. Chem. Phys. 67, 99.
Allamandola,
L. J., & Nibler, J. W. (1976). Vibrational Spectra and Structure of Methylberyllium
Borohydride. J. Am. Chem. Soc. 98, 2096.
Allamandola,
L. J., & Nibler, J. W. (1974). Vibrational Lifetime Measurements of Matrix
Isolated Molecules by an Optical "Double-Resonance" Method. Chem.
Phys. Lett. 28, 335.
|