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List of works by Stephan Schlemmer

A KInetic Database for Astrochemistry (KIDA)

scholarly article

A comprehensive experimental and theoretical study of H2−CO spectra

scientific article published on 01 February 2013

A continuous-wave optical parametric oscillator around 5-μm wavelength for high-resolution spectroscopy

scientific article published on 01 June 2011

A high resolution crossed molecular beam investigation of the absolute cross sections and product rotational states for the reaction F+D2(vi=0;ji=0,1)→DF(vf;jf)+D

A laboratory heterodyne emission spectrometer at submillimeter wavelengths.

scientific article

A new millimeter-wave observation of the weakly bound CO–N 2 complex

A study of the C_3_H_2_ isomers and isotopologues: first interstellar detection of HDCCC

scientific article published in January 2016

A variable temperature bolometer for determining particle energy and absolute flux in molecular beams

Ab initio potential energy surface and microwave spectrum of the NH3-N2 van der Waals complex

scientific article published on 01 June 2020

Absolute Integral and Differential Cross Sections for the Reactive Scattering of H-+ D2and D-+ H2

Accurate Frequency Determination of Vibration-Rotation and Rotational Transitions of SiH.

scientific article published in January 2017

Accurate Rotational Rest Frequencies for Ammonium Ion Isotopologues.

scientific article published in October 2018

Accurate high-N rest frequencies for CO+, an ideal tracer of photon-dominated regions

scientific article published in July 2013

Application of superlattice multipliers for high-resolution terahertz spectroscopy

scientific article published in April 2007

Automated Dead-End Ultrafiltration for Concentration and Recovery of Total Coliform Bacteria and Laboratory-Spiked Escherichia coli O157:H7 from 50-Liter Produce Washes To Enhance Detection by an Electrochemiluminescence Immunoassay

scientific article published on 01 July 2013

CF16 differentially pumped window for ultrahigh vacuum applications

CH+(1–0) and13CH+(1–0) absorption lines in the direction of massive star-forming regions

scientific article published in Astronomy and Astrophysics

COLTRAP: a 22-pole ion trapping machine for spectroscopy at 4 K

Characterization of cis- and trans-HSSOH via rotational spectroscopy and quantum-chemical calculations

scientific article published in March 2009

Charging Mechanisms of Trapped Element-Selectively Excited Nanoparticles Exposed to Soft X Rays

scientific article published in Physical Review Letters

Chemical modeling of L183 (L134N): an estimate of the ortho/para H${_2}$ ratio

scientific article published in Astronomy and Astrophysics

Comparative studies of O2 and N2 in pure, mixed and layered CO ices

scientific article published on 01 January 2006

Comparison of the cis-bending and C-H stretching vibration on the reaction of C2H2+ with H2 using laser induced reactions

scientific article

Competition between CO and N2Desorption from Interstellar Ices

scientific article published in the Astrophysical Journal

Controlled synthesis and analysis of He–H+3in a 3.7 K ion trap

Desorption rates and sticking coefficients for CO and N2 interstellar ices

scientific article published in Astronomy and Astrophysics

Detection of 6 K gas in Ophiuchus D

scientific article published in Astronomy and Astrophysics

Detection of OH+and H2O+towards Orion KL

scientific article published in Astronomy and Astrophysics

Detection of hydrogen fluoride absorption in diffuse molecular clouds withHerschel/HIFI: an ubiquitous tracer of molecular gas

scientific article published in Astronomy and Astrophysics

Detection of interstellar ortho-D_2_H^+^ with SOFIA

scholarly article

Detection of interstellar oxidaniumyl: Abundant H2O+towards the star-forming regions DR21, Sgr B2, and NGC6334

scientific article published in Astronomy and Astrophysics

Deuterated methyl mercaptan (CH3SD): Laboratory rotational spectroscopy and search toward IRAS 16293–2422 B

scientific article

Deuteration of CHn⁺ (n = 3-5) in Collisions with HD Measured in a Low-Temperature Ion Trap

scientific article published in the Astrophysical Journal

Deuteration of ammonia in the starless core Ophiuchus/H-MM1

scientific article published in January 2017

Deuteration of positive hydrogen cluster ions H5+ to H17+ at 10 K

Deuterium fractionation in gas-phase reactions measured in the laboratory

Dimethyl ether in its ground state,v= 0, and lowest two torsionally excited states,v11 = 1 andv15 = 1, in the high-mass star-forming region G327.3-0.6

scientific article published in Astronomy and Astrophysics

Dimethyl ether: laboratory spectra up to 2.1 THz. Torsion-rotational spectra within the vibrational ground state

scientific article published in Astronomy and Astrophysics

Double Resonance Rotational Spectroscopy of Weakly Bound Ionic Complexes: The Case of Floppy CH_{3}^{+}-He

scientific article published in Physical Review Letters

Double resonance rotational spectroscopy of CH_2_D^+^

scholarly article

Double resonance rotational spectroscopy of He-HCO

scientific article published on 01 February 2019

Excitation and abundance of C3in star forming cores

scientific article published in Astronomy and Astrophysics

Experimental Determination of theν5Cis-Bending Vibrational Frequency and Renner-Teller Structure in Ground State (X2Πu)C2H2+Using Laser Induced Reactions

scientific article published in Physical Review Letters

Experimental ground-state combination differences of CH5+

scientific article published in Science

Exploring molecular complexity with ALMA (EMoCA): Alkanethiols and alkanols in Sagittarius B2(N2)

scientific article published in January 2016

Far infrared Fourier-transform spectroscopy of mono-deuterated hydrogen peroxide HOOD

article published in 2012

First Laboratory Detection of Vibration-Rotation Transitions of 12CH+ and 13CH+ and Improved Measurement of their Rotational Transition Frequencies.

scientific article

First observation of the rotational spectrum of the HD–CO weakly bound complex

article by Alexey Potapov et al published January 2015 in Journal of Molecular Spectroscopy

Frequency comb assisted mid-infrared spectroscopy of cold molecular ions

scientific article published on September 2012

Gas-phase detection of HSOD and empirical equilibrium structure of oxadisulfane

H2D(+) observations give an age of at least one million years for a cloud core forming Sun-like stars.

scientific article published on 17 November 2014

H2Generation in the Early Universe Governs the Formation of the First Stars

scientific article published on 08 February 2011

H3(+) + H2 isotopic system at low temperatures: microcanonical model and experimental study

scientific article published in April 2009

HOC^+^ + H_2_Isomerization rate at 25 K: implications for the observed [HCO^+^]/[HOC^+^] ratios in the interstellar medium

scientific article published in the Astrophysical Journal

Herschel observations of EXtra-Ordinary Sources (HEXOS): Observations of H2O and its isotopologues towards Orion KL

scientific article published in Astronomy and Astrophysics

Herschel/HIFI discovery of interstellar chloronium (H2Cl+)

scientific article published in Astronomy and Astrophysics

Herschel/HIFI measurements of the ortho/para ratio in water towards Sagittarius B2(M) and W31C

scientific article published in Astronomy and Astrophysics

Herschel/HIFI observations of interstellar OH+and H2O+towards W49N: a probe of diffuse clouds with a small molecular fraction

scientific article published in Astronomy and Astrophysics

Herschelobservations of EXtra-Ordinary Sources (HEXOS): Detection of hydrogen fluoride in absorption towards Orion KL

scientific article published in Astronomy and Astrophysics

Herschelobservations of EXtra-Ordinary Sources (HEXOS): Methanol as a probe of physical conditions in Orion KL

scientific article published in Astronomy and Astrophysics

Herschelobservations of EXtra-Ordinary Sources (HEXOS): The Terahertz spectrum of Orion KL seen at high spectral resolution

scientific article published in Astronomy and Astrophysics

Herschelobservations of EXtra-Ordinary Sources (HEXOS): The present and future of spectral surveys withHerschel/HIFI

scientific article published in Astronomy and Astrophysics

Herschelobservations of EXtra-Ordinary Sources (HEXOS): detecting spiral arm clouds by CH absorption lines

scientific article published in Astronomy and Astrophysics

Herschelobservations of deuterated water towards Sgr B2(M)

scientific article

Herschelobservations of ortho- and para-oxidaniumyl (H2O+) in spiral arm clouds toward Sagittarius B2(M)

scientific article published in Astronomy and Astrophysics

High resolution infrared spectra of the linear carbon cluster C(7): the nu(4) stretching fundamental band and associated hot bands.

scientific article

High resolution rotation–inversion spectroscopy on doubly deuterated ammonia, ND2H, up to 2.6THz

High resolution time‐of‐flight spectra for reactive scattering of F+D2

High-Resolution Rotational Spectroscopy in a Cold Ion Trap:H2D+andD2H+

scientific article published in Physical Review Letters

High-resolution OPO spectroscopy of Si2C3 at 5μm: Observation of hot band transitions associated with ν3

High-resolution double resonance action spectroscopy in ion traps: vibrational and rotational fingerprints of CH2NH2

scientific article published on 01 December 2019

High-resolution infrared action spectroscopy of the fundamental vibrational band of CN

scientific article published on 28 September 2020

High-resolution infrared measurements on HSOH: Analysis of the OH fundamental vibrational mode

High-resolution infrared spectroscopy of O2H+ in a cryogenic ion trap

scientific article published in April 2018

High-resolution spectroscopy of C3 around 3 μm.

scientific article

High-resolution spectroscopy of CH2D+ in a cold 22-pole ion trap

scientific article

Higher Energy States in the CO Dimer: Millimeter-Wave Spectra and Rovibrational Calculations†

scientific article published on 08 September 2007

High‐Frequency Rotational Spectrum of Thioformaldehyde, H2CS, in the Ground Vibrational State

Inelastic F–H2scattering

article published in 1993

Infrared Signatures of the HHen+ and DHen+ (n = 3-6) Complexes

scientific article published on 28 August 2019

Infrared emission spectra of candidate interstellar aromatic molecules

scientific article published in March 1996

Infrared spectroscopy of solid CO–CO2 mixtures and layers

scientific article published in Astronomy and Astrophysics

Interaction of electrons and molecules with a single trapped nanoparticle

Interstellar CH absorption in the diffuse interstellar medium along the sight-lines to G10.6–0.4 (W31C), W49N, and W51

scientific article published in Astronomy and Astrophysics

Interstellar OH+, H2O+and H3O+along the sight-line to G10.6–0.4

scientific article published in Astronomy and Astrophysics

Interstellar detection of c-C_3_D_2_

Investigations of Protonated and Deprotonated Water Clusters Using a Low-Temperature 22-Pole Ion Trap

article published in 2003

Isotope effects in the CO dimer: Millimeter wave spectrum and rovibrational calculations of (C12O18)2

scientific article published on 01 September 2006

Laboratory rotational ground state transitions of NH_3_D^+^ and CF^+^

scientific article published in January 2016

Laboratory rotational spectra of the dimethyl ether13C-isotopologues up to 1.5 THz

scientific article published in Astronomy and Astrophysics

Laboratory rotational spectrum of l-C_3_H^+^ and confirmation of its astronomical detection

scholarly article

Laboratory spectroscopic study and astronomical detection of vibrationally excitedn-propyl cyanide

scientific article published in Astronomy and Astrophysics

Laboratory spectroscopic study of isotopic thioformaldehyde, H2CS, and determination of its equilibrium structure

scientific article

Laboratory spectroscopic study of the 15N isotopomers of cyanamide, H2NCN, and a search for them toward IRAS 16293−2422 B

scientific article

Laboratory spectroscopy of 1, 2-propanediol at millimeter and submillimeter wavelengths

scientific article published in Astronomy and Astrophysics

Laser excited N2+ in a 22-pole ion trap:

Laser induced reactions in a 22-pole ion trap: C2H2++hν3+H2→C2H3++H

article published in 2002

Low frequency vibrational anharmonicity and nuclear spin effects of Cl(H) and Cl(D)

article published in 2018

Low frequency vibrational anharmonicity and nuclear spin effects of Cl–(H2) and Cl–(D2)

scientific article published on 7 November 2018

Low‐Temperature Experiments on the Formation of Deuterated C3H+3

scientific article published in the Astrophysical Journal

Millimeter wave and terahertz spectra and global fit of torsion–rotation transitions in the ground, first and second excited torsional states of 13 CH 3 OH methanol

Millimeter- and submillimeter-wave spectroscopy of disulfur dioxide, OSSO

Millimeter-wave study of the CH4–CO complex: New measurements with OROTRON spectrometer

Millimeter-wave study of the CO–N2 van der Waals complex: new measurements of CO–orthoN2 and assignments of new states of CO–paraN2

Millimetre-wave spectrum of anti-13C1 and 13C2 isotopologues of ethanol

Millimetre-wave spectrum of the singly deuterated isotopologues of anti-ethanol

Modelling line emission of deuterated H3+from prestellar cores

scientific article published in Astronomy and Astrophysics

Nitrogen hydrides in interstellar gas

scientific article

Nondestructive high-resolution and absolute mass determination of single charged particles in a three-dimensional quadrupole trap

Note: New design of a cryogenic linear radio frequency multipole trap

scientific article

Numerical simulations of kinetic ion temperature in a cryogenic linear multipole trap

On the combination of a linear field free trap with a time-of-flight mass spectrometer

On the dynamics of the reaction of positive hydrogen cluster ions (H5+ to H23+) with para and normal hydrogen at 10 K

article published in 1995

Overtone spectroscopy of H2D+ and D2H+ using laser induced reactions

scientific article

Photodesorption of CO Ice

scientific article published in the Astrophysical Journal

Quantum-induced symmetry breaking explains infrared spectra of CH(5)(+) isotopologues

scientific article

Reactions of trapped ions with metal atoms: O2++Ni and NiN2++Ni

Reversal of infall in SgrB2(M) revealed byHerschel/HIFI observations of HCN lines at THz frequencies

scientific article published in Astronomy and Astrophysics

Rotational Rest Frequencies and First Astronomical Search of Protonated Methylamine

scientific article published on 2 February 2022

Rotational Spectroscopy of the Lowest Energy Conformer of 2-Cyanobutane.

scientific article published on September 2017

Rotational Study of Carbon Monoxide Solvated with Helium Atoms

scientific article published in Physical Review Letters

Rotational rest frequencies of the low lying vibrational states of n-propyl cyanide from extensive laboratory measurements up to 506 GHz

scholarly article

Rotational spectra and hyperfine structure of isotopic species of deuterated cyanoacetylene, DC3N

Rotational spectroscopy of CH 3 OD with a reanalysis of CH 3 OD toward IRAS 16293–2422

scientific article published in July 2024

Rotational spectroscopy of isotopic species of methyl mercaptan at millimeter and submillimeter wavelengths: CH334SH

scientific article published on 03 June 2019

Rotational spectroscopy of the CO-para-H_2_ molecular complex

scientific article published in the Astrophysical Journal

Rotational spectroscopy of the NH3-H2 molecular complex

scientific article published in January 2017

Rotational spectroscopy of the two conformers of 3-methylbutyronitrile (C4H9CN) between 2 and 400 GHz

scientific article published in Astronomy and Astrophysics

Rotational spectroscopy, dipole moment and 14N nuclear hyperfine structure of iso-propyl cyanide

Rotational study of carbon monoxide isotopologues in small (4)He clusters.

scientific article published in June 2010

Rotational study of the NH3-CO complex: millimeter-wave measurements and ab initio calculations.

scientific article published on March 2015

Rotational transitions of CH2D+determined by high-resolution IR spectroscopy

scientific article published in Astronomy and Astrophysics

Rotational transitions within the 21, 31, 41, and 61 states of formaldehyde H212C16O This article is part of a Special Issue on Spectroscopy at the University of New Brunswick in honour of Colan Linton and Ron Lees

Single photon infrared emission spectroscopy: a study of IR emission from UV laser excited PAHs between 3 and 15 micrometers

scientific article

Spectroscopic signatures of HHe2+ and HHe3

scientific article published on 09 October 2020

Spin-state chemistry of deuterated ammonia

scientific article published in January 2015

Strong absorption by interstellar hydrogen fluoride:Herschel/HIFI observations of the sight-line to G10.6–0.4 (W31C)

scientific article published in Astronomy and Astrophysics

Sub-millimeter wave spectroscopy of the C3H radical: Ro-vibrational transitions from ground to the lowest bending state

Submillimeter spectroscopy and astronomical searches of vinyl mercaptan, C2H3SH

scholarly article

Submillimeter wave spectrum of acetic acid

Submillimeter-wave spectroscopy of the K=2–1 subband of the Ne–CO complex

Submillimeter-wave spectrum of anti–anti and anti–gauche diethyl ether

Temperature dependence of ternary rate coefficients for the (CO)n−1++2CO⇌(CO)n++CO reaction, and the role of isomers for the growth of larger (CO)n+ clusters

Terahertz and far-infrared synchrotron spectroscopy and global modeling of methyl mercaptan, CH3(32)SH.

scientific article

The 2014 KIDA network for interstellar chemistry

scholarly article

The CDMS view on molecular data needs of Herschel, SOFIA, and ALMA

The CO-H_2_ van der Waals complex and complex organic molecules in cold molecular clouds: A TMC-1C survey

scientific article published in January 2016

The FELion cryogenic ion trap beam line at the FELIX free-electron laser laboratory: infrared signatures of primary alcohol cations

scientific article published on 07 May 2019

The He–H3+ complex. I. Vibration-rotation-tunneling states and transition probabilities

scientific article published in 2022

The He–H3+ complex. II. Infrared predissociation spectrum and energy term diagram

scientific article published in 2022

The SOLEIL view on sulfur rich oxides: The S2O bending mode ν 2 at 380cm−1 and its analysis using an Automated Spectral Assignment Procedure (ASAP)

The anisotropic interaction of He–C2H2 from differential scattering experiments

The low-temperature nuclear spin equilibrium of H^+^_3_ in collisions with H_2_

scientific article published in the Astrophysical Journal

The nu(5) antisymmetric stretching mode of linear C(7) revisited in high resolution

scientific article

The quest for complex molecules in space: laboratory spectroscopy ofn-butyl cyanide,n-C4H9CN, in the millimeter wave region and its astronomical search in Sagittarius B2(N)

scientific article published in Astronomy and Astrophysics

The rotational gas-phase spectrum of trans- and cis-HSSOH at 100GHz

The rotational spectrum of HS32OH and HS34OH above 1 THz

scientific article published on 01 December 2008

The torsional and asymmetry splittings in HSOH

The unidentified interstellar infrared bands: PAHs as carriers?

scientific article

Total power millimeter-wave spectrometer for measurements of dust opacity at cryogenic temperatures

scientific article published on 01 July 2014

Transfer of a proton between H2 and O2.

scientific article

Two-Photon Rotational Action Spectroscopy of ColdOH−at 1 ppb Accuracy

scientific article published in Physical Review Letters

Understanding the infrared spectrum of bare CH5+

scientific article

Variable temperature ion trap studies of CH4++H2, HD and D2: negative temperature dependence and significant isotope effect

article published in 2004

Vibrational Excitation Hindering an Ion-Molecule Reaction: The c-C_{3}H_{2}^{+}-H_{2} Collision Complex

scientific article published on 01 June 2020