Create a single tag XML element using VBA

I have an MS Access application that generates XML, using the MSXML2 DOM object.  I have code that looks like this:

            Set objSubElem = objDoc.createElement("FieldName")
            objElem.appendChild objSubElem
            objSubElem.Text = "UNIT=""in"" VALUE=""" & rs("Field1") & """"

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Which creates output like this:

          <FieldName>UNIT="in" VALUE="0.13529"</FieldName>

However, I'd like the output to result in a single tag, looking like this:

          <FieldName UNIT="in" VALUE="0.13529" />

Is there a setting or attribute I can tweak to get the desired result?

Thanks in advance.