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I am trying to create my citations and I am really frustrated. Whenever I try to compile my .bib with BibTeX I get this error

Process started

I couldn't open file name `sample.aux'

Process exited normally

When I try to cite something in my text with \cite{} I can see all my citations, but when I try to compile (pdflatex+bib(la)tex +pdflatex(x2)+ show pdf) I get this message:

Process started

This is BibTeX, Version 0.99d (MiKTeX 2.9.6630 64-bit)
The top-level auxiliary file: Project DLC.aux
The style file: biblatex.bst
White space in argument---line 6 of file Project DLC.aux:
\citation{Grigoriadis : diss} I'm skipping whatever remains of this command
Database file #1: Project_DLC-blx.bib
Database file #2: sample.bib
"{" immediately follows a field name---line 49 of file sample.bib :
year : {1978}, I'm skipping whatever remains of this entry
I was expecting a `,' or a `}'---line 53 of file sample.bib: 
@article{Grigoriadis : diss, I'm skipping whatever remains of this entry
I was expecting a `,' or a `}'---line 61 of file sample.bib: 
@article{Elmahdy : diss, I'm skipping whatever remains of this entry
Biblatex version: 3.8
(There were 4 error messages)

Process exited with error(s)

I am also using the following packages:

\usepackage[style=ieee,backend=bibtex,autolang=other]{biblatex}
\addbibresource{sample}
\usepackage{csquotes}

and \printbibliography at the end of the doc. I cant really understand what's going on so I could use some help! Also here is the part that i want to cite, if that helps:

Οι θερμοτροπικοί με την σειρά τους διακρίνονται σε δύο κατηγορίες: Τους ραβδόμορφους υγρούς κρυστάλλους (ΡΥΚ) και τους δισκόμορφους υγρούς κρυστάλλους (ΔΥΚ) (Εικόνα 1). Στην παρόυσα εργασία θα ασχοληθούμε αποκλειστικά με τους θερμοτροπικούς ΔΥΚ.\cite{Grigoriadis diss}

Here is my sample.bib

@ARTICLE{Feng2009421,
author={Feng, X. and Marcon, V. and Pisula, W. and Hansen, M.R. and Kirkpatrick, J. and Grozema, F. and Andrienko, D. and Kremer, K. and Müllen, K.},
title={Towards high charge-carrier mobilities by rational design of the shape and periphery of discotics},
journal={Nature Materials},
year={2009},
volume={8},
number={5},
pages={421-426},
hyphenation="english",
}

@ARTICLE{Grigoriadis20101403,
author={Grigoriadis, C. and Haase, N. and Butt, H.-J. and Müllen, K. and Floudas, C.},
title={Negative thermal expansion in discotic liquid crystals of nanographenes},
journal={Advanced Materials},
year={2010},
volume={22},
number={12},
pages={1403-1406},
hyphenation="english",
}

@ARTICLE{Laschat20074832,
author={Laschat, S. and Baro, A. and Steinke, N. and Giesselmann, F. and Hägele, C. and Scalia, G. and Judele, R. and Kapatsina, E. and Sauer, S. and Schreivogel, A. and Tosoni, M.},
title={Discotic liquid crystals: From tailor-made synthesis to plastic electronics},
journal={Angewandte Chemie - International Edition},
year={2007},
volume={46},
number={26},
pages={4832-4887},
hyphenation="english",
}

@ARTICLE{Sergeyev20071902,
author={Sergeyev, S. and Pisula, W. and Geerts, Y.H.},
title={Discotic liquid crystals: A new generation of organic semiconductors},
journal={Chemical Society Reviews},
year={2007},
volume={36},
number={12},
pages={1902-1929},
hyphenation="english",
}

@ARTICLE{C.N.R.RAO,
author={C.N.R.Rao and K.J.Rao},
title={Phase Transitions in Solids},
journal={McGraw-Hill, USA},
year{1978},
hyphenation="english",
}

@ARTICLE{Grigoriadis diss,
author={Grigoriadis, C.},
title={Doctoral dissertation - Graphene discotic liquid crystals: self-assembly and dynamics},
journal={University of Ioannina},
year{2014},
hyphenation="english",
}

@ARTICLE{Elmahdy diss,
author={Elmahdy, M.M.},
title={Doctoral dissertation - Self-assembly and Dynamics of Liquid Crystals},
journal={University of Ioannina},
year{2008},
hyphenation="english",
}

@ARTICLE{Sweicher,
author={Seweicher, G. and Olivier, Y. and Lemaur, V. and Geerts, Y.H.},
title={What Currently Limits Charge Carrier Mobility in Crystals
of Molecular Semiconductors?},
journal={Isr.J.Chem.},
year={2014},
volume={54},
pages={595-620},
hyphenation="english",
}


@ARTICLE{Takimiya20114347,
author={Takimiya, K. and Shinamura, S. and Osaka, I. and Miyazaki, E.},
title={Thienoacene-based organic semiconductors},
journal={Advanced Materials},
year={2011},
volume={23},
number={38},
pages={4347-4370},
hyphenation="english",
}

marked as duplicate by moewe biblatex May 20 '18 at 15:44

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

  • I know i've missed some '=' on my .bib and i corrected them but i still get the ''I couldn't open file name `sample.aux' '' – Thanos May 20 '18 at 13:16
  • What you also get is a " White space in argument" when processing the \cite{Grigoriadis diss}. Looks like bibTeX doesn't like whitespace in its keys. – remco May 20 '18 at 13:19
  • Yes thank you! it seems like that space was the problem.solved it both in the bib and the \cite{} It works now! Case closed! – Thanos May 20 '18 at 13:21
  • Indeed, you must not have spaces in keys, write Grigoriadis:diss or something similar instead of Grigoriadis diss. Same for Elmahdy diss. You forgot a = in year{1978}, of C.N.R.RAO – moewe May 20 '18 at 13:21
  • With modern versions of biblatex you should use backend=biber instead of backend=bibtex. Simply change that option and tell your editor to run Biber for you: tex.stackexchange.com/q/154751/35864. Of course the errors in your .bib file still need correcting. – moewe May 20 '18 at 13:28

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